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Levenhuk 50L NG Microscope

Levenhuk
Magnification up to 1280x. Carrying case included
  • Category: Microscope
  • Product ID: 66794
  • Country: PRC, controlled by Levenhuk, Inc. (USA)
  • Warranty: lifetime
  • Weight: 7.3 lb (3.3 kg)
  • UPC: 6900000246009
  • Package size (LxWxH): 10.2×6.1×15.7 in (26.0×15.5×40.0 cm)
  • Call us
    800-342-1706
Sorry, this model has been discontinued.
Brand new product with more advanced features has been released - Levenhuk Rainbow 50L PLUS Moonstone MicroscopeClick here to learn more...
  Levenhuk Rainbow Series The Levenhuk 50L NG teaching biological microscope.
This excellent biological microscope is ideal for use in schools or colleges as well as for your own research of microworld.
  Superb production quality: body and elements are all metal, not ... more

Levenhuk Rainbow Series

The Levenhuk 50L NG teaching biological microscope.
This excellent biological microscope is ideal for use in schools or colleges as well as for your own research of microworld.

  • Superb production quality: body and elements are all metal, not plastic.
  • Focusing mechanism and stage move smoothly, without jerks or backlash.
  • Rotatable head can be fixed in any position, which makes observation much more convenient.
  • Eyepieces, objectives and all other optical elements are multi-coated and highly transparent.

Thanks to all these features, the microscope for biology studies provides the extremely high image quality and long microscope life without any special maintenance.

Magnification
Magnification depends on the objectives (located below) and eyepieces (located above) being used.
The set includes two eyepieces and three objectives as well as Barlow lens, which allows to smoothly change the magnification ratio.

  • Eyepieces: WF10x, WF16x
  • Objectives: 4x, 10x and 40x
  • Barlow lens: 2x

Minimum magnification: Eyepiece 10x * Objective 4x = 40x
Maximum magnification: Eyepiece 16x * Objective 40x = 640x, and with Barlow lens magnification smoothly reaches 640*2.0 = 1280x

Illumination
This biological microscope is distinguished by an important feature - two illumination systems with adjustable brightness. Built-in illumination is LED, which ensures minimal energy consumption yet still providing sufficient light.

Illumination systems are located above and below the stage, and allow observing both transparent and opaque objects: from tiny solid particles to coins, paper, fabrics, etc. (It would be fascinating to observe a mobile phone screen - actually, each pixel consists of three segments, red, green and blue.)

Power supply
The microscope features an AC adapter, for stationary observations without batteries.

Caution: Please refer to the specifications table for the correct mains voltage and never attempt to plug a 110V device into 220V outlet and vice versa without using a converter. Remember that mains voltage in the U.S. and Canada is 110V and 220-240V in most European countries.

The kit includes:

  • Microscope
  • Objectives: 4x, 10x, 40x
  • Two eyepieces: WF10x, WF16x
  • 2x Barlow lens
  • Stage with clips
  • Diaphragm disk
  • Built-in lower LED illumination
  • Retractable upper halogen illumination
  • AC adapter
  • 3 AA and 2 AAA batteries
  • Durable plastic case for the microscope and accessories
  • "Attractive Microscope. Scrutinizing the Microcosm" User Guide
  • Forceps
  • Hatchery for brine shrimp
  • Microtome (tool for making fine slices for observation; allows to get specimen slices of sub-millimeter thickness).
  • Flask with yeast
  • Flask with pitch for making specimens
  • Flask with sea salt
  • Flask with brine shrimp (a sea organism used as a food source for fish)
  • 5 ready-to-use specimens
  • 5 blank slides
  • Dust cover
  • User manual and lifetime warranty

Levenhuk 50L NG Microscope is compatible with Levenhuk C NG digital cameras (purchased separately). Levenhuk C NG cameras are installed in the eyepiece tube instead of an eyepiece.

You can find reviews on this microscope here and here.

You can also find a review on this microscope here at microscopes.toptenreviews.com.

Find examples of what you can see with this microscope here.

Find answers to frequently asked questions about microscopes here.

Find out how to make your own microscope slides here and here.

Levenhuk 50L NG Color Selection:

Levenhuk 50L NG Levenhuk Rainbow 50L NG Levenhuk Rainbow 50L NGLevenhuk Rainbow 50L NG Levenhuk Rainbow 50L NG Levenhuk Rainbow 50L NG

Some things you can see under a microscope:

Geranium leaf epidermis under a microscope Cyclops under a microscope Euglena under a microscope Earthworm under a microscope Daphnia under a microscope

You can find these and many more interesting microscope slides to observe in the Levenhuk Prepared Slides Sets.

Microscopes Comparison Table
Levenhuk 2L NG Microscope Levenhuk 3L NG Microscope Levenhuk 40L NG Microscope Levenhuk 50L NG Microscope
Head monocular monocular monocular monocular
Head rotatable rotatable rotatable rotatable
Eyepieces WF16х WF16х WF10x, WF16x WF10x, WF16x
Objectives 4х, 10х, 40х 4х, 10х, 40х 4х, 10х, 40х 4х, 10х, 40х
Barlow lens no no 2x 2x
MAX magnification, x 640 640 1280 1280
Stage, mm 90x90, with stage clips 90x90, with stage clips 90x90, with stage clips 90x90, with stage clips
Stage moving range, mm from 0 to 10 from 0 to 10 from 0 to 15 from 0 to 15
Adjustable brightness yes yes yes yes
Case no no yes yes
Dust cover no yes no yes
Upper illumination fixed fixed retractable retractable
Lower illumination fixed fixed fixed fixed
Illumination power supply AC adapter, batteries AC adapter, batteries AC adapter, batteries AC adapter, batteries
Body silumin silumin metal metal
Eyepiece tube metal metal metal metal
Levenhuk K50 Experiment Kit no yes no yes
"Attractive Microscope. Scrutinizing the Microcosm" User Guide no yes no yes
Forceps no yes no yes
Hatchery for brine shrimp no yes no yes
Microtome no yes no yes
Flask with yeast no yes no yes
Flask with pitch no yes no yes
Flask with sea salt no yes no yes
Flask with brine shrimp no yes no yes
5 specimens: house fly leg, onion bulb, cotton stalk, tree trunk slice, pine slice no yes no yes
Blank slides (5 pieces) no yes no yes

Head

monocular

Optics material

glass

Magnification, x

40-1280

Eyepieces

WF10x, WF16x

Objectives

4x, 10x, 40x

Revolving nosepiece

3 objectives

Stage, mm

90x90, with clips

Stage moving range, using focusing mechanism, mm

0 to 15

Power supply

110V/5V, 50 Hz AC (adapter)

Usage

General use product.
May be used by kids
over 3 years old.

Barlow lens

2x
4.6 9

Levenhuk Review:

You can find reviews on this microscope here and here.

You can also find a review on this microscope here at microscopes.toptenreviews.com.

Find examples of what you can see with this microscope here.

Find answers to frequently asked questions about microscopes here.

Find out how to make your own microscope slides here and here.

There are no recent reviews available for this product.

Levenhuk 50L NG Microscope - Total: 92 Negative 0 Positive 92


Gloria Hinton (2016-10-23 02:11): Positive
How much does this model cost? Levenhuk Customer Service:
The model was discontinued. Please consider its improved analogue - Levenhuk Rainbow 50L PLUS Microscope (https://www.levenhuk.com/catalogue/microscopes/levenhuk-50l-plus-moonstone/).

Gerald Keys (2016-03-06 11:36): Positive
What happens if I install some other objective and eyepiece on this microscope... let's say I take them from the Levenhuk 320 model. Will I get the same image quality? Levenhuk Customer Service:
Levenhuk 50L NG Microscope is an entry-level instrument that is not capable of such high magnification.

Gerald Keys (2016-03-03 06:28): Positive
does Levenhuk 50L have a built-in Barlow? Levenhuk Customer Service:
Levenhuk 50L NG and Levenhuk Rainbow 50L PLUS microscopes are equipped with 2x Barlow lenses.

Darrell (2016-02-19 11:11): Positive
What can you tell me about Barlow lens? Is it worth buying? Will it affect image quality? I've found different opinions on the matter, so I'd like to know yours. Thanks in advance. Levenhuk Customer Service:
A 2x Barlow lens multiplies the magnification given by an eyepiece by 2, therefore it doubles your eyepiece collection. But, as you already told, it does deteriorate image quality.

Pablo Ramos (2016-01-12 02:49): Positive
Hello! I really like this microscope! When I got it, there was a CD with a special software. I used it for a bit, but then I had to repair my PC, therefore the software was deleted. And I can't find the CD, seems like I lost it. Can I download it somewhere online? Levenhuk Customer Service:
The kit doesn't include a software CD, as this microscope is not equipped with camera. You must've been talking about Levenhuk D50L NG model - https://www.levenhuk.com/catalogue/microscopes/levenhuk-d50l-ng/. The software is available is the 'References and Downloads' section on the product description page.

Doug Greene (2016-01-05 07:18): Positive
The manual says that in order to observe liquid samples I need to use a special glass slide with cavity. However, the kit doesn't include such slides, does it? I couldn't find them... Levenhuk Customer Service:
The kit does not include a slide with cavity.

Cam (2015-12-28 09:21): Positive
Is it possible to use this microscope without the Barlow? Levenhuk Customer Service:
Yes, the highest magnification of the Levenhuk 50L NG microscope without Barlow lens installed is 640x.

Kristopher (2015-12-05 02:55): Positive
Can I see bacteria with it? Images will be burry, aren't they? Levenhuk Customer Service:
No, Levenhuk 50L NG is an amateur microscope model, you won't be able to observe bacteria with it. For this purpose, you will need magnification power of at least 1200x. Moreover, samples must be stained. Of course, there are large bacteria that can be seen at 900x, but these are very rare organisms that live in the ocean's depths.

Josh Berry (2015-11-26 12:37): Positive
I think this microscope would be a wonderful christmas present for my kid! So it allows observations of both transparent and opaque objects, right? Is it possible to achieve 2000x magnification by adding some extra accessories (eyepiece/objective lens)? Levenhuk Customer Service:
Yes, Levenhuk 50L NG Microscope allows you to observe transparent and opaque samples. Technically, you can install, for example, 20x eyepiece, but images will get blurry - school microscopes can't produce quality views at such powerful magnifications. But laboratory microscopes can. For example, Levenhuk 625 Biological Microscope - https://www.levenhuk.com/catalogue/microscopes/levenhuk-625/.

Ethan Rowe (2015-10-21 10:11): Positive
Hello! Received the package today, I really liked the microscope, but I couldn't find Barlow lens in the kit... Levenhuk Customer Service:
Barlow lens comes pre-installed in the eyepiece tube. Check the 13th image in the product image gallery here - https://www.levenhuk.com/catalogue/microscopes/levenhuk-50l-ng-azure/.

Vince Carr (2015-09-26 11:13): Positive
What's in the kit? Levenhuk Customer Service:
The kit of the Levenhuk 50L NG microscope includes: microscope, 4x, 10x and 40x objectives, WF10x and WF16x eyepieces, 2x Barlow lens, stage with clips, disc diaphragm, built-in lower LED illumination, retractable upper halogen illumination, AC adapter, 3 AA and 2 AAA batteries, plastic case, "Attractive Microscope. Scrutinizing the Microcosm" user guide, forceps, hatchery for brine shrimp, microtome, flasks with yeast, pitch, sea salt, brine shrimp, 5 ready-to-use specimens, 5 blank slides, dust cover, user manual and lifetime warranty.

Lucy Pum (2015-09-12 10:39): Positive
Good day. My kid made a wish to get a microscope for Christmas. Is it possible to observe blood with it? Kids these days have weird hobbies, oh well… Levenhuk Customer Service:
Yes, the Levenhuk 50L NG microscope is suitable for studying blood.

Vince Carr (2015-09-10 03:41): Positive
What can I see through this scope? Levenhuk Customer Service:
The Levenuk 50L NG microscope is a great choice for school kids and beginners, you can conduct all school biology experiments, for example, observe onion peel, mold, fur and hair, yeast, infusorium, etc. You can take a look at some pictures online here: https://www.levenhuk.com/reviews/experiment_slides/, https://www.levenhuk.com/reviews/micro_gallery/, https://www.levenhuk.com/Levenhuk.com/reviews/levenhuk_micro/micro_2.html

Steve and kids (2015-09-09 01:29): Positive
Hi! We can't figure out how to use the microtome. Levenhuk Customer Service:
Please refer to the "Attractive Microscope. Scrutinizing the Microcosm" user guide, where the process is described in details.

Tony Zavala (2015-08-20 02:52): Positive
Do I need immersion oil for this microscope? Levenhuk Customer Service:
Immersion oil is only used with the highest power objective lenses (for example 100x oil immersion lenses). Levenhuk 50L NG Microscope does not have such powerful objectives, so there's no need to use immersion oil with this microscope model.

Denice Bowen (2015-05-26 11:23): Positive
my birthday's coming up and this microscope will be my present! Can't wait:) But I'm not sure about one thing... is there any manual or instruction on how to prepare microscope slides? Thank you in advance! Levenhuk Customer Service:
Yes, the kit includes "Attractive Microscope. Scrutinizing the Microcosm" User Guide, which contains detailed instruction on how to prepare microscope slides at home.

John Herman (2015-03-01 07:56): Positive
Which microscope's better: Levenhuk 50L NG or Levenhuk 3L NG? Levenhuk Customer Service:
Levenhuk 50L NG Microscope will be a preferable choice due to its higher magnification power. Moreover, the microscope comes with a convenient case for storage and transportation.

James (2014-12-26 03:56): Positive
I see you sell extra slip covers. Do you also sell the specimen lens the slip covers go on? Levenhuk Customer Service:
Dear James, thank you for your inquiry. Currently we have only cover slips in stock. Is there any additional information you might need?

Adam Finch (2014-12-22 05:29): Positive
the image is mirrored. Is it ok? Levenhuk Customer Service:
Levenhuk 50L NG Microscope produces direct images.

Javier (2014-11-22 11:26): Positive
Is it possible to use this microscope to observe pollen grains? Levenhuk Customer Service:
Yes, Levenhuk 50L NG Microscope is perfect for this purpose.

Jimmie Fuentes (2014-11-10 02:37): Positive
Hello! I don't know much about microscopes, that's why I need your professional advice! I'd like to purchase a microscope for my son (curious school student). I really like this model (lifetime warranty, ability to observe a variety of samples, metal body, combined illumination, optics made of glass, etc.). It's evidently a very good microscope. But I think one very useful function is missing. As I get it, it can't be connected to a PC to observe samples on the screen and make pictures and videos? Could you suggest me similar model (or better - with a binocular head), but equipped with a camera? Levenhuk Customer Service:
Levenhuk D50L NG Digital Microscope is exactly the same microscope with a digital camera included in the kit - https://www.levenhuk.com/catalogue/microscopes/levenhuk-d50l-ng/. Microscopes with binocular heads can be found among laboratory microscope models, for example, Levenhuk 625 Biological Microscope - https://www.levenhuk.com/catalogue/microscopes/levenhuk-625/

Ashley Bannon (2014-10-08 11:46): Positive
I think my package is lacking a Barlow lens, I can’t find it anywhere, there is a case inside the box and I can tell for sure that Barlow lens is not there. Can you send me the missing lens? Levenhuk Customer Service:
All packages are checked for completeness before shipping. The Levenhuk 50L NG model is shipped with Barlow lens already installed in the eyepiece tube (so it’s not in the box or in the case), so please, check it one more time, your missing Barlow lens should be there.

Lisa Plant (2014-10-06 09:18): Positive
I think there is something wrong with the specifications of this model… How can it provide 1280x magnification when the kit includes 40x objective and 16x eyepiece only, and it gives you 640x? Do you mean that I have to buy a more powerful eyepiece/objective additionally? Levenhuk Customer Service:
No, you don’t have to purchase anything else, 1280x is the maximum magnification provided by the Levenhuk 50L NG microscope out of the box. Such magnification is obtained by using 2x Barlow lens included in the standard kit.

Miguel (2014-04-20 02:27): Positive
how to use a microtome? Levenhuk Customer Service:
You need to push an object into the slot and then gently turn it to cut a thin layer.

Kathy Weiss (2014-04-05 05:45): Positive
Hello! Tell me please, is it possible to make magnification higher? Levenhuk Customer Service:
Yes, it's possible, for example, with the Levenhuk 50L NG microscope you can use Levenhuk 20x Eyepiece - https://www.levenhuk.com/catalogue/accessories/levenhuk-20x-eyepiece/ - the maximum magnification will be 800x, with Barlow lens - 1600x.

Cynthia (2014-03-31 09:00): Positive
Hello, please tell me if it's possible to observe non-transparent objects with this microscope? Levenhuk Customer Service:
Yes, you can observe non-transparent objects with the Levenhuk 50L NG microscope since it has top illumination required for this.

Juan (2014-03-28 09:51): Positive
Hello. I'm choosing a microscope for my kid (7). I'm torn between Levenhuk 50L NG and Levenhuk 40L NG, they are quite similar. I want a microscope that will serve for a long time and be interesting for growing child the whole time. I'm also interested if it's possible to equip this model with less powerful eyepiece, 5x for instance, to observe insects? And one more question: is C130 NG digital camera significantly better than C35? Levenhuk Customer Service:
We recommend you to decide in favor of the Levenhuk 50L NG microscope since it comes with the K50 experiment kit, which includes prepared slides and everything required for making your own slides. Unfortunately 5x eyepiece is currently unavailable in our store. Levenhuk C130 NG Digital Camera allows you to take pictures of higher resolution and better quality.

Randy JENKINS (2014-03-25 12:57): Positive
What are the advantages of using retractable top illumination as compared with built-in illumination, with which previous generation models are equipped? It seems that built-in illumination was better... Levenhuk Customer Service:
Retractable illumination is a technical feature of this model. Thank you for your feedback on the Levenhuk 50L NG microscope, we will try to respect your wishes.

Mikl (2014-03-14 10:42): Positive
Good day. Will I be able to see dust mites through this microscope? Levenhuk Customer Service:
Yes, you can observe dust mites with the Levenhuk 50L NG microscope, image quality will be top-level, and the maximum magnification provided by this model is 1280x.

Mark Nelson (2013-12-24 11:29): Positive
Is it possible to purchase a camera to this microscope? I'm interested in buying this particular model. Levenhuk Customer Service:
Levenhuk 50L NG microscope can be equipped with any Levenhuk digital camera in our assortment: https://www.levenhuk.com/catalogue/accessories-microscope-cameras-all-items/

Ronald Taylor (2013-12-19 03:52): Positive
How to use a Barlow lens? Levenhuk Customer Service:
To obtain the maximum magnification of Levenhuk 50L NG microscope you should put the Barlow lens forward from the eyepiece tube to position 40.

Kevin Clark (2013-12-18 09:10): Positive
Is it possible to use this microscope as a measuring one? Levenhuk Customer Service:
Yes, you can use the Levenhuk 50L NG microscope for measuring. For this purpose you will be needing a microscope digital camera, for example Levenhuk C35 NG 350K px Digital Camera, USB 2.0 - https://www.levenhuk.com/products/levenhuk-c35ng-350k-digital-camera/. Also we would suggest you another microscope model that comes with a camera in the kit: Levenhuk D50L NG Digital Microscope - https://www.levenhuk.com/products/levenhuk_microscope_d50lng/

Robert Garcia (2013-12-17 08:19): Positive
What about image quality under high magnification (800-1280)? Levenhuk Customer Service:
Image quality will be lower than under 40-640x magnification.

Ed Fisher (2013-12-06 07:19): Positive
Tell me please, what are the differences between Levenhuk 50 and Levenhuk 40 models? Levenhuk Customer Service:
Levenhuk 40L NG and 50L NG models are almost identical in their technical characteristics but the Levenhuk 50L NG microscope comes with an experimental set of slides.

Ed Fisher (2013-11-29 08:54): Positive
Would you suggest any experimental set of slides for this model? And what exactly can I see through it? Levenhuk Customer Service:
1. You can see the list of all experimental sets presented in our store here: https://www.levenhuk.com/catalogue/accessories-experiment-kits-all-items/ 2. Under such a magnification you will be able to see not only the internal structure of a cell but even bacteria, a sample should be previously fixed and stained.

Adrian Gonzalez (2013-11-13 12:23): Positive
it is possible to see blood plasma in the microscope? thanks in advance. Levenhuk Customer Service:
You will be able to see it through the Levenhuk 50L NG microscope but very finely, for detailed analysis more advanced powerful microscope is required. For example Levenhuk 320 Biological Microscope - https://www.levenhuk.com/products/microscope_levenhuk_320/

Mark Bell (2013-10-18 10:21): Positive
Hello! And where is this Barlow lens? I can't see it on the picture. Levenhuk Customer Service:
Barlow lens is installed in the eyepiece tube of the Levenhuk 50L NG microscope.

Paul Cann (2013-10-05 04:54): Positive
Hello, could you specify one thing? Can I install plan achromat objective and immersion objective on Levenhuk 50L NG? Levenhuk Customer Service:
Theoretically, it is possible, but not productive. Replacing lenses will change almost the entire structure.

Alyssa Barton (2013-10-04 09:53): Positive
is camera included in the kit with this microscope? Levenhuk Customer Service:
A digital camera comes with another model, Levenhuk D50L NG Microscope https://www.levenhuk.com/products/levenhuk_microscope_d50lng/

Alyssa Barton (2013-10-03 07:59): Positive
And what's the difference between Levenhuk 50l and Levenhuk d50l? Levenhuk Customer Service:
The Levenhuk D50L NG Digital Microscope comes with a 2 megapixels digital camera.

Martin Crumpley (2013-10-01 03:37): Positive
Tell me please, can I see ear mite and helminth eggs with 50l ng? Levenhuk Customer Service:
Yes, it's possible.

william grogan (2013-09-30 04:20): Positive
Hello! I have a question. Is it possible to see red and white blood cells and so on with this microscope, and can I see, for example, how water molecules move and all types of germs and how well I can see them? Levenhuk Customer Service:
For such studies it is preferable to use more serious laboratory models. For example Levenhuk 625 Biological Microscope: https://www.levenhuk.com/products/microscope_levenhuk_625/

George Walters (2013-09-15 09:27): Positive
I need a microscope for home studies to see blood, cells, organelles, etc. Levenhuk Customer Service:
We recommend you check out the Levenhuk 320 Biological Microscope: https://www.levenhuk.com/products/microscope_levenhuk_320/

Sarah King (2013-09-04 02:22): Positive
Tell me please, can I install C35 and C130 cameras on this model? If yes, then which one I should purchase? Are these cameras compatible with Windows 7? Levenhuk Customer Service:
Yes, these digital cameras fit. It's reasonable to purchase a camera with higher resolution (https://www.levenhuk.com/catalogue/digital-cameras-microscope-all-items/). Yes, they are compatible with Windows 7. Also, take note that we offer already 'complete' option: https://www.levenhuk.com/products/levenhuk_microscope_d50lng/

Jenny Benson (2013-09-02 04:57): Positive
Tell me, please, what microscope I can find (200 $ max) with the best value for money and so specified magnifications will be true. Levenhuk Customer Service:
Due to its functionality and the best price-quality ratio, this model will be a great choice.

David Carol (2013-08-31 03:25): Positive
A question for you. Why the kit doesn't include a concave glass for a hanging drop and cover glasses? Levenhuk Customer Service:
The kit that comes with this model includes five ready-to-use specimens and clean slides (5 pieces); cover glasses are sold separately. Consider Levenhuk G100 Cover Slips https://www.levenhuk.com/products/acc_levenhuk_cover_slips_g100/.

nick fier (2013-08-18 01:41): Positive
Can this microscope run on batteries? If yes then for how long? Levenhuk Customer Service:
Yes, the illumination can run on batteries, or by using a 110V AC adapter. Batteries and AC adapter are included in the kit. Operation time depends on use intensity.

Chris Ducoste (2013-08-17 11:00): Positive
The illumination systems of 40L NG and 50L NG are the same? Levenhuk Customer Service:
Yes, they are the same.

Nick Brown (2013-08-17 04:37): Positive
Hi, tell me, whether red blood cells and / or DNA can be seen through this microscope or not? Levenhuk Customer Service:
For these studies, Levenhuk 320 Biological Microscope will suit much better: https://www.levenhuk.com/products/microscope_levenhuk_320/

Liza Hales (2013-08-12 05:53): Positive
all the colors are available? If no, then what are they? Levenhuk Customer Service:
The Levenhuk 50L NG Microscope is available in azure (https://www.levenhuk.com/products/microscope_levenhuk_rainbow_50l_ng_azure/), amethyst (https://www.levenhuk.com/products/microscope_levenhuk_rainbow_50l_ng_amethyst/), orange (https://www.levenhuk.com/products/microscope_levenhuk_rainbow_50l_ng_orange/), lime (https://www.levenhuk.com/products/microscope_levenhuk_rainbow_50l_ng_lime/) and rose (https://www.levenhuk.com/products/microscope_levenhuk_rainbow_50l_ng_rose/).

Kelly Donalson (2013-08-10 10:12): Positive
Does the eyepiece 20x fit this microscope? And if yes, the picture won't be blurred? Levenhuk Customer Service:
Yes, it fits. The picture won't be blurred.

Steven Hoffman (2013-07-30 12:30): Positive
Hello! I don't quite understand how the positioning of observed sample works on the stage? If the stage is not coordinate, then at 1280x magnification it will be very difficult to aim. Maybe I'm wrong. Thank you. Levenhuk Customer Service:
The stage of this model is height adjustable. The specimen can be adjusted manually. In our assortment there are advanced models as well that feature a coordinate moving stage, for example Levenhuk 320 Biological Microscope: https://www.levenhuk.com/products/microscope_levenhuk_320

Jerry Long (2013-07-29 09:32): Positive
What digital cameras can be installed on Levenhuk 50L NG Levenhuk Customer Service:
These models will perfectly suit: https://www.levenhuk.com/catalogue/digital-cameras-microscope-all-items/

Maria Harman (2013-07-22 03:52): Positive
I have a question. If I buy the Levenhuk 50L NG in color, for example, in azure color, will be any difference in the kit that comes with it? Thanks in advance. Levenhuk Customer Service:
The color is the only difference, the kit is the same.

Mary Screamy (2013-07-19 01:53): Positive
Hello, could you please recommend which microscope I should buy. I need a biological microscope. Revolving head with three or more objectives, oil immersion objective in the kit, complex condenser, movable stage, built-in illumination, monocular or binocular head. Magnification 1500x and more. All of that should cost about 150 - 200$. Thank you! Levenhuk Customer Service:
Take a look at the Levenhuk 320 Biological Microscope: https://www.levenhuk.com/products/microscope_levenhuk_320/

Stan Lewis (2013-07-18 04:37): Positive
Are the models 40-50L NG suitable for studying opaque objects? The top illumination is a little bit weird. What microscope allows observing not only transparent, but opaque objects as well. Levenhuk Customer Service:
Yes, Levenhuk 40L NG and Levenhuk 50L NG Microscopes are perfect for that. The top illumination is necessary for studying opaque objects. More microscopes with upper illumination: https://www.levenhuk.com/catalogue/microscopes-lightsource-upper-items/

William Ray (2013-07-17 12:43): Positive
what is'Hatchery for brine shrimp'for? (What is a brine shrimp?) Levenhuk Customer Service:
Hatchery for brine shrimp is needed for conducting experiments. Flask with brine shrimp is a crustacean that is common in the seas and oceans all over the world and is used as food for aquarium fish and also in fish factories.

Rose Gross (2013-07-11 03:02): Positive
The Barlow lens is not going to obstruct installing Levenhuk C310 camera? Or this camera should be installed without the Barlow lens? Levenhuk Customer Service:
The Levenhuk C310 NG Digital Camera should be installed without the Barlow Lens.

jason Black (2013-06-24 12:14): Positive
Is Levenhuk 50L NG a laboratory model or not? I need it for laboratory use, what would you suggest? Levenhuk Customer Service:
Levenhuk 50L NG Microscope is a teaching biological microscope that can be used for laboratory research. We also recommend that you consider Levenhuk 320 Biological Microscope: https://www.levenhuk.com/products/microscope_levenhuk_320/.

Steve Barnes (2013-06-20 11:30): Positive
What could happen if you don't follow safety precautions? What consequences might be? vision loss or what? What are these precautions? I forgot to say that children are 6 and 3 years old. If parents are not in the room, will kids be able to follow these'rules' Levenhuk Customer Service:
When using any electrical appliance, always keep in mind that reckless handling, faulty wiring or condition of the appliance, failure of certain safety precautions may result in electric shock. The LED magnification of the Levenhuk 50L NG model runs on batteries, or by using a 110v-220V AC adapter. Operational constraints are described in detail on pages 5 and 6 of the manual. The user guide is on the product page under the microscope's description under "References and Downloads" tag.

Caitlin R. Page (2013-06-19 11:56): Positive
In the description of the Levenhuk 2S NG model it says that its plano-concave mirror 40 mm in diameter gives enough light, so you don't have to use additional lighting in your research. It makes using more comfortable in two cases: if there is no access to a power source or children use this microscope. This illumination method is the easiest and safest. In case there is a mandatory lighting, what is the danger? Levenhuk Customer Service:
If you follow safety precautions while working with backlighting it's absolutely safe.

George Rini (2013-06-19 11:28): Positive
Please, tell me, how this model differs from the Levenhuk 320 model. 1.)price-quality ratio. is there any alternative options of another manufacturers in this price range that have better characteristics than these two models ( Levenhuk 50L NG, Levenhuk 320) 2) what should I pick - biological or digital microscope? I want to buy it for a child and it would be interesting for me to see the components of blood cells, bacteria, germs. What's the fundamental difference of digital microscopes for this purpose? Thank you in advance for detailed constructive response. Levenhuk Customer Service:
At high magnification you will be able to see more details of the same objects and slides. Levenhuk 50L NG and Levenhuk 320 microscopes have the best price-quality ratio. The most convenient option would be the "2 in 1" models, optical microscopes, that come with a digital camera https://www.levenhuk.com/catalogue/microscopes-type-digital-items/

Melissa Hays (2013-06-16 12:28): Positive
Everybody understand that faulty wiring is dangerous but thx for reminding either way. I will rephrase my question. Is it harmful for my eyes to observe samples using artificial lighting? Maybe it cause eye muscle strain and my eyesight can become worse? or there's no any difference in observing with or without the lights. Levenhuk Customer Service:
No, the Led illumination is absolutely safe for you eyes, and also you can adjust the brightness for additional comfort during observation.

Harry Averill (2013-06-15 07:37): Positive
Hello! Can I observe transparent objects on this microscope? Levenhuk Customer Service:
Yes, you can observe transparent objects under Levenhuk 50L NG Microscope.

Donald Herring (2013-05-26 11:34): Positive
Tell me please, protozoa (amoeba, ciliate) can be seen through this microscope? Levenhuk Customer Service:
Yes, Levenhuk 50L NG Microscope is ideal for this purpose.

Sandra Cheek (2013-05-22 07:43): Positive
Tell me there are only two oculars? And is it compatible with a computer? Levenhuk Customer Service:
Two eyepieces: 10x and 16x. Another model Levenhuk D50L NG can be connected to a computer: https://www.levenhuk.com/products/levenhuk_microscope_d50lng/

Alex Fowers (2013-05-22 07:11): Positive
Hello. I have a question for you. What should I use for cleaning the objective lens and eyepiece of this microscope: a cloth or a cleaning pen? Levenhuk Customer Service:
The cleaning pen is a more effective tool for optics cleaning. Consider Levenhuk LP10 Cleaning Pen https://www.levenhuk.com/products/levenhuk-lp10-cleaning-pen/

Liza P. (2013-05-21 03:05): Positive
Is there a set of slides that have a central concavity for the hanging drop preparation? Levenhuk Customer Service:
No, the hanging drop preparation is not in the kit.

Greg Davis (2013-05-14 12:57): Positive
Tell me, all children microscopes come with а case and all accessories? Levenhuk Customer Service:
The Levenhuk 50L NG Microscope is one of the most advanced models; it comes with a case and an experiment kit.

Scott Mefford (2013-05-09 08:41): Positive
When moving Barlow lens forward (after 15) two very unwelcome glare appear. What can I do with it? Levenhuk Customer Service:
At maximum magnification, in this model, reflections might occur.

Britney Ramsay (2013-05-08 05:40): Positive
Tell me, is a hatchery for brine shrimp included in the kit? How can I raise it and is it possible to do it at home? And one more question. How to prepare samples by myself at home? Levenhuk Customer Service:
Yes, hatchery for brine shrimp is included in the kit. For breeding brine shrimp you should take some diluted sea salt water and add some brine shrimp powder, it's quite possible to do at home. Samples can be prepared by using a cover glass and a microtome. Levenhuk K50 Experiment Kit that comes with the Levenhuk 50L NG Microscope includes everything needed for preparing slides at home.

Peter Werden (2013-05-07 12:28): Positive
Can I see how plant cells move using this model? Levenhuk Customer Service:
Yes, you can.

mary berger (2013-04-28 10:17): Positive
Tell me, please, can I examine blood using this microscope? Levenhuk Customer Service:
Yes, theoretically it is possible.

Helen Barb (2013-04-27 11:06): Positive
Hello! Could you tell me please what microscope should I choose for a first-grader? Levenhuk Customer Service:
Levenhuk 50L NG Microscope is perfect for this role. It allows observing both transparent and opaque objects, comes with a case and an experiment kit.

Elizabeth Ryan (2013-04-13 12:20): Positive
Is it possible to install a mirror as a lower lighting? Levenhuk Customer Service:
Theoretically, it is possible.

Elizabeth Ryan (2013-04-13 12:17): Positive
Tell me, what is the numerical aperture of the objective? Won't the picture be blurred when using Barlow lens? Levenhuk Customer Service:
The numerical aperture of the microscope objective: 4 x - 0.1, 10x - 0.25 x 40 - 0.65. No, this won't happen.

mary stack (2013-04-09 05:14): Positive
The kit does not include cover glasses and blank slides. where can I find them? (well, let's say, I need 10 cover glasses and 10 slides) Levenhuk Customer Service:
The set already includes five blank slides. Blank slides https://www.levenhuk.com/products/levenhuk_g50/ and cover slips https://www.levenhuk.com/products/acc_levenhuk_cover_slips_g100/ can be purchased separately.

Mathew Eitmann (2013-04-07 02:42): Positive
Hello, tell me, the nosepiece (where the objectives 4, 10, 40 are attached) is revolving, so when I observe objects with 4 objective then I want to use 10x and 40x magnification. Do I have to just rotate the nosepiece, or do I have to replace the objective? I hope the question is clear. Levenhuk Customer Service:
To change the objective you should rotate the nosepiece.

Linda Roberson (2013-04-04 05:19): Positive
Can I connect it to PC and does it have a camera? Levenhuk Customer Service:
Yes, you can additionally purchase a digital camera, for example Levenhuk C35 NG Digital Camera: https://www.levenhuk.com/products/levenhuk-c35ng-350k-digital-camera/. More Levenhuk digital cameras for microscopes: https://www.levenhuk.com/catalogue/digital-cameras-microscope-all-items/. Also consider Levenhuk digital microscopes: https://www.levenhuk.com/catalogue/microscopes-type-digital-items/

Mark Reed (2013-04-03 01:06): Positive
Is it equipped with a complex condenser? Is an oil immersion objective in the kit? Levenhuk Customer Service:
Levenhuk 50L NG Microscope is equipped with a condenser. An oil immersion objective is not provided. Oil immersion objectives usually come with more advanced models. Take a look at the Levenhuk 320 Biological Microscope https://www.levenhuk.com/products/microscope_levenhuk_320/.

Sarah Simmons (2013-03-29 09:16): Positive
I totally agree with the previous comment about cover glasses and a concave one for a hanging drop. I don't understand why you placed this information there, if these items are not even included in the kit, it's confusing, why it says take it in the kit but they are not even there. I've been trying to find it somewhere on the Internet but, unfortunately, without any result. Oh almost forgot! I strongly recommend you make one single comparison list with all your microscopes. it was torture for me to choose. And I guess I picked the wrong model. I should've bought the 320 model. Well, for now I will work with this one. Levenhuk Customer Service:
Thank you for your feedback, we will respect your wishes.

Matt Labbe (2013-03-22 01:17): Positive
and the stage is movable or not? Levenhuk Customer Service:
The stage moves only vertically.

Alex Talbert (2013-03-19 10:13): Positive
you mean the ocular has 23.2 mm barrel diameter? Levenhuk Customer Service:
Yes, that's right.

Tim Henniger (2013-03-19 06:55): Positive
Tell me , what barrel diameter has this camera/microscope? standard 23.2 mm? does it match with Levenhuk 320. Levenhuk Customer Service:
Yes, it has standard barrel diameter. It matches the barrel diameter of the Levenhuk 320 Biological Microscope.

Susan Laws (2013-03-13 02:30): Positive
Can a child that wears glasses (-2.5) use this model? Levenhuk Customer Service:
Yes, people with low vision can use Levenhuk 50L NG Microscope.

Andrew Inman (2013-03-01 09:11): Positive
Good afternoon! What does'NG'mean? Levenhuk Customer Service:
NG - New Generation, new generation model. The model provides magnification up to 1280x (in 50L it was only 1,024 times). Also, the model has a removable top NG illuminator with adjustable illumination angle.

andrew green (2013-02-27 10:36): Positive
Hello! Tell me please. Can I see red blood cells, bacteria, microorganisms using this microscope? Levenhuk Customer Service:
Actually, bacteria are not visible through the objective of this amateur microscope, because most of them are too tiny and they can be seen only at high magnification (1200x and more) and the samples have to be stained. You should take a look at the Levenhuk 850B Biological Binocular Microscope: https://www.levenhuk.com/products/microscope_levenhuk_850b/

Polly Ginn (2013-02-26 09:46): Positive
Tell me, plz, the LED illumination is replaceable or not? (in case it will burn) Levenhuk Customer Service:
The LED illumination has a very long service life. There's no need to replace it. In an extreme case, you can contact our Customer Service Department.

Norma Garcia (2013-02-23 06:49): Positive
Tell me, please, on this microscope are lenses spring-loaded (so you won't accidentally crush the slide)? Levenhuk Customer Service:
Lenses are not spring-loaded, a focusing mechanism and a stage move smoothly and jerk-free.

Dave Dey (2013-02-16 10:53): Positive
What would you suggest? Which one of these two: microscope Levenhuk 50L NG or Levenhuk 320 will suit better for observing live organisms in water, cells and other tiny samples? With Levenhuk 50L comes everything needed, but can I actually see, for instance, tadpoles in seminal fluid? lol Levenhuk Customer Service:
Yes, it is possible. But for serious clinical study the Levenhuk 320 Biological Microscope is much more suitable: https://www.levenhuk.com/products/microscope_levenhuk_320/

Bob Tryon (2013-02-15 11:09): Positive
or advise me another microscope that costs not more than 500$ or more expensive but with quality equipment? Levenhuk Customer Service:
Please pay attention to the Levenhuk 320 Biological Microscope: https://www.levenhuk.com/products/microscope_levenhuk_320/

Rcihard Lewis (2013-02-08 07:52): Positive
so it turns out that for top illumination (handles) extra batteries are required? Levenhuk Customer Service:
Yes, the batteries are included in the kit of the Levenhuk 50L NG Microscope.
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