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Levenhuk 625 Biological Microscope

Levenhuk
Binocular head. Fitted with high-quality achromatic objective lenses.
  • Category: Microscope
  • Product ID: 27936
  • Country: PRC, controlled by Levenhuk, Inc. (USA)
  • Warranty: lifetime
  • Weight: 11.2 lb (5.1 kg)
  • UPC: 6900000279366
  • Package size (LxWxH): 15.7×11.8×16.1 in (40.0×30.0×41.0 cm)
  • Call us
    800-342-1706
  Levenhuk 625 Biological Microscope allows for bright field observations, and may be used both at home and in a professional laboratory. Its high-quality optics are fully coated, and deliver sharp and bright images of the observed object. Its binocular head reduces strain on the eyes and allows for lengthy observations.... more

Levenhuk 625 Biological Microscope allows for bright field observations, and may be used both at home and in a professional laboratory. Its high-quality optics are fully coated, and deliver sharp and bright images of the observed object. Its binocular head reduces strain on the eyes and allows for lengthy observations.

The Levenhuk 625 has a revolving nosepiece with four objective lenses that allow you to change the magnification on the fly, without interrupting your workflow. The interpupillary distance of the binocular head may be adjusted, which provides additional comfort during observations. The head itself also reduces stress on your eyes due to its binocular design, which means you can work longer without tiring. The eyepieces are inclined at 30 degrees, so that you can sit comfortably during observations. The microscope comes with two sets of eyepieces for increased scope of magnifications. In its basic kit, the Levenhuk 625 yields magnifications from 40x to 2000x. When working at high magnifications (1000x, 2000x), a special technique - oil immersion - is used to increase the quality of the resulting image. This is achieved by immersing both the objective lens and the specimen in a transparent oil of high refractive index. A vial of immersion oil is shipped with the microscope.

The microscope also comes with a blue filter that enhances the contrast of the resulting image during observations of some specimens.

The Levenhuk 625 has a built-in illumination source that allows you to use your microscope even in the dark. The halogen lamp has a variable brightness control and an Abbe condenser so that you can set the illumination to the desired level at any magnification.

The stage of the microscope may be fitted with an additional specimen holder, and moves along two axes so that you can study large objects without having to move the object itself. Separate coarse- and fine-focus systems allow for maximum sharpness of the resulting image.

Features:

  • Microscope magnification: 40-2000x
  • Coaxial coarse and fine focus systems
  • High-quality image across the field of view
  • High-quality achromatic objective lenses
  • Stage is movable along two axes
  • Specimen holder
  • Revolving nosepiece with 4 objective lenses
  • Illumination provides enough light across the field of view at any magnification
  • Variable illumination brightness

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.

You can find a review on this microscope here.

Find answers to frequently asked questions about microscopes here.

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

Some things you can see under a microscope:

Lime twig under a microscope Cat fur under a microscope Daphnia under a microscope Bird feathers under a microscope Earthworm under a microscope

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

Levenhuk 625 Biological 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.

Head

binocular

Optics material

glass

Magnification, x

40-2000

Eyepieces

WF10x, WF20x

Objectives

4x/0.10; 10x/0.25; 40x/0.65; 100x/1.25 (oil immersion)

Revolving nosepiece

4 objectives

Stage, mm

125x115, movable along two axes

Condenser

Abbe, 1.25 N.A

Illumination

halogen lamp 6V/20W

Power supply

110V power cable

Filters

1 piece, blue

Dimensions, mm
in

280x440x330
11x17.3x12.9

Usage

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

Application

Lab Research, School Research
5.0 1

Levenhuk Review:

You can find a review on 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 625 Biological Microscope - Total: 46 Negative 0 Positive 46


Stefania Albert (2016-10-08 11:38): Positive
Hello! I'm 14 years old. A year ago I bought a microscope in this store and I really liked using it. Now I want to go further and buy a digital model (to observe bacteria) for up to $150. Could you please help me choose? Levenhuk Customer Service:
For viewing bacteria we would recommend choosing an optical laboratory model. Please pay attention to Levenhuk 320 Biological Microscope (https://www.levenhuk.com/catalogue/microscopes/levenhuk-320/).

Kyle (2016-04-07 06:51): Positive
What's the difference between different types of condensers? Should I buy a dark-field condenser is addition to this microscope model? Levenhuk Customer Service:
Abbe condenser controls the diameter of the light cone that passes through the specimen. Dark field condenser blocks the light beam so that only scattered light can reach the objective lens. Unfortunately, we don't have suitable dark field condensers in our store. We recommend that you consider Levenhuk 850B Biological Binocular Microscope with a built-in dark field condenser - https://www.levenhuk.com/catalogue/microscopes/levenhuk-850b/.

Nicole (2016-01-12 08:52): Positive
Can I use DCM video eyepiece with Levenhuk 625 microscope? Levenhuk Customer Service:
Levenhuk 625 Biological Microscope has 30mm barrel diameter. If this eyepiece has the same barrel diameter, then yes, you can use them together.

Devin Burns (2015-11-09 11:28): Positive
Hello! What is the microscope's working distance? Levenhuk Customer Service:
Levenhuk 625 Biological Microscope has 3-cm working distance.

Ashton Sorrel (2015-09-17 01:02): Positive
Hello, what's the difference between 320 and 625? Levenhuk Customer Service:
The main difference is that Levenhuk 625 Microscope is binocular, while the Levenhuk 320 microscope is a monocular model. The Levenhuk 625 microscope also comes with WF20x eyepiece allowing you to achieve higher magnification.

Camilla (2015-04-11 11:22): Positive
Hello! Is it convenient to observe through binocular head? Eyelashes won't disturb? What is the proper distance between the eyes and the eyepiece? Is it possible to adjust eyepieces? If I look with only one eye, will I see the whole image? One more question about oil immersion... can I use 20x eyepiece and 100x objective without immersion oil? Is it possible that over the time the optics will be negatively affected by using immersion oil? Oh and the very last question. Does the kit include Abbe condenser? Thank you! Levenhuk Customer Service:
Levenhuk 625 Biological Microscope is perfect for long-term observations. Its binocular head makes observations more comfortable, you don't have to squint all the time, therefore you will avoid eye muscle strain and fatigue. Eyelashes won't disturb you at all. When choosing an optimal distance between your eyes and eyepieces, you should be guided by your own feelings, your comfort. You can adjust interpupillary distance and diopters. If you look with only one eye you will see exactly the same image as with both eyes. 100x objective lens is designed especially for oil immersion technique. If you don't use immersion oil with it, you won't be able to see anything. The immersion oil won't damage the optics if you clean it properly and regularly. Yes, the kit includes Abbe condenser.

Jade (2015-03-21 11:14): Positive
Can I connect a digital camera to this microscope? And one more question... I own Levenhuk D50l microscope at the moment. It gives me an ideal image quality at 100x magnification, when it is up to 400x it is still ok, but there's no sense in increasing magnification any further that that. So now I'm looking for a more powerful model that will produce great quality views at 1000x. Is this microscope suitable for me? Thank you! Levenhuk Customer Service:
Yes, you can connect a digital camera to this microscope model. It should be inserted in place of one of the eyepieces. Levenhuk 625 Biological Microscope has very quality optics. The kit includes 100x immersion objective lens which (together with 20x eyepiece) gives you very quality images at 2000x magnification.

Henry Galicia (2015-03-07 04:36): Positive
Hello! The Levenhuk 625 and 320 microscope models are equipped with moving stages, right? Would you mind telling their moving ranges? Levenhuk Customer Service:
At 80x magnification microscope stages of the Levenhuk 625 and Levenhuk 320 biological microscopes can be moved within 3 centimeters.

Blake Ratliff (2015-01-11 08:44): Positive
what is the difference between levenhuk 625 and 670t microscopes? Should I purchase 670t model instead of 625 one if I am not going to use the camera? Does that sound reasonable? Levenhuk Customer Service:
The only difference between these two microscope models is the number of eyepieces. Levenhuk 625 is a binocular microscope which means it is equipped with two eyepieces, and the second model - Levenhuk 670T - features three eyepieces. If you are not planning on using the camera, there's not much sense in buying trinocular microscope.

Blake Ratliff (2015-01-11 08:37): Positive
How to stain a microscope slide? What's the purpose? What should I use for that? Levenhuk Customer Service:
Staining techniques are used to enable better visualization of small specimens such as bacteria. You can use a variety of stains and dyes, but the most suitable dye solutions for staining microscope slides are aniline dyes. You can also use iodine solution.

Damon Hewitt (2015-01-05 02:07): Positive
Hello! Do you have dark field condenser available at the moment (suitable for this particular model?) Levenhuk Customer Service:
Unfortunately at the moment we do not have suitable dark field condenser for this microscope model.

andrew gould (2014-12-06 03:46): Positive
Hello! Will I be able to see bacterial flagella with this microscope? Levenhuk Customer Service:
Yes, you will be able to observe bacterial flagella using Levenhuk 625 Biological Microscope, but make sure that samples are stained.

Kirk Holman (2014-11-14 03:12): Positive
I have a question - does the kit include a case for storage? Levenhuk Customer Service:
Levenhuk 625 Biological Microscope comes with a dust cover.

Larry Phillips (2014-10-24 06:07): Positive
Is this microscope suitable for observing organisms ranging from 0.1 to 0.5mm in size? If I equip this instrument with a special microscope camera will I be able to see these organisms and bacteria on a PC monitor? Levenhuk Customer Service:
Yes, Levenhuk 625 Biological Microscope is suitable for observing organisms ranging from 0.1 to 0.5 mm in size. When you connect a digital camera to the microscope the image will be displayed on a PC monitor.

Zach Gutierrez (2014-10-21 07:43): Positive
Thank you, but could you please answer my question? I didn't understand a thing... Levenhuk Customer Service:
To observe non transparent objects (insects, coins, wood, metal, stone) upper illumination is required, i.e. a microscope should be equipped with top lighting.

Zach Gutierrez (2014-10-19 10:56): Positive
I have already found the answer to my question on your website, but still... I understood very little. I will paraphrase my question. Can I observe non transparent objects with microscope allowing to observe only in bright field (insects, coins, wood, metal, stone and so on)? Levenhuk Customer Service:
In order to observe opaque objects you will need a microscope equipped with upper illumination.

Zach Gutierrez (2014-10-19 10:45): Positive
Could you please explain what does dark field mean? And how does it differ from the bright field? Levenhuk Customer Service:
Observing samples using dark field method allows you to see many details, that couldn't be seen in bright field. In dark field research method light rays form a hollow conical beam which aperture is larger than the aperture of the objective lens. Thus the rays do not enter inside the objective lens. Inhomogeneous structure of observed sample scatter light; and this scattered light forms an image.

Mike Hoverson (2014-01-27 09:10): Positive
Danny Dean (2013-03-03 11:50): Hello! Why does the description say that magnification is 40-1600x while it is 40-2000x in the user manual? Which is correct? answer: With eyepieces included in the standard kit, it is only possible to achieve a magnification of 40-1600x. To get 2000x magnification additional 20x eyepieces are required. So, hi, I have a question on this subject: Tell me please if 20x eyepieces are coming in the kit with Levenhuk 625 microscope (they appear on the pictures and in the manual) or should I purchase them separately to get 2000x magnification? Thank you in advance. Levenhuk Customer Service:
Currently the Levenhuk 625 microscope comes with all accessories needed to get 2000x magnification, including 20x eyepieces.

Rick Stevenson (2013-10-21 03:23): Positive
And if the light doesn't transmit, should I illuminate from the top? Levenhuk Customer Service:
Yes. You can make an additional upper illumination by yourself. Or you can take a look at microscopes with upper and lower illuminations: https://www.levenhuk.com/catalogue/microscopes-lightsource-combined-items/

Rick Stevenson (2013-10-21 03:23): Positive
But what should I do if I want to observe specimens not in transmitted light? Should I illuminate it from the top with something? Levenhuk Customer Service:
Yes. You can make an additional upper illumination by yourself. Or you can take a look at microscopes with upper and lower illuminations: https://www.levenhuk.com/catalogue/microscopes-lightsource-combined-items/

Rick Stevenson (2013-10-20 06:16): Positive
What's the bright field? Levenhuk Customer Service:
This is a method of observation in transmitted light. It is used when studying transparent specimens.

Rick Stevenson (2013-10-19 08:44): Positive
Should I buy something additionally to get the highest magnification? Levenhuk Customer Service:
The highest magnification is 2000x. There's no need to purchase anything additionally.

Rick Stevenson (2013-10-18 10:12): Positive
I have one last question: it's convenient and easy to use, isn't it? Levenhuk Customer Service:
Yes, Levenhuk 625 microscope is quite easy to use.

Rick Stevenson (2013-10-18 07:09): Positive
Does the kit include immersion oil? Levenhuk Customer Service:
Yes. There is a vial of immersion oil in the kit of the Levenhuk 625 microscope.

Rick Stevenson (2013-10-18 06:52): Positive
I have 1 more question :-) Please tell me what's the image quality at 1500x magnification? Levenhuk Customer Service:
When using immersion oil, the image is clear. Thanks to the brightness adjustment you can get the most comfortable illumination wherein observed objects become visible even better.

Rick Stevenson (2013-10-18 05:19): Positive
Excuse me, could you please answer what can I see at 1500x? Levenhuk Customer Service:
By using Levenhuk 625 microscope you can observe the structure of cells, bacteria, blood components, etc., the list is long. Please specify your question, what exactly do you want to observe?

David Miles (2013-10-07 10:34): Positive
Are there any prepared slides included in the kit of this microscope? Levenhuk Customer Service:
Prepared slides are not included in the standard kit. You can choose one here: https://www.levenhuk.com/catalogue/accessories-experiment-kits-all-items/

Elijah Miln (2013-09-23 10:54): Positive
Is it possible to attach a camera for a binocular? Levenhuk Customer Service:
Yes, you can attach digital camera to binocular microscope.

Rebecca (2013-09-18 03:31): Positive
What does Power source separate cable mean? Does it mean that there is no cable included in the kit and I need to purchase it separately? Levenhuk Customer Service:
Cable is included in the kit.

Nick Smith (2013-09-14 04:22): Positive
Where else can I buy a dark-field condenser compatible with Levenhuk microscopes? You only mention additional accessories…. Where can I buy those additional accessories? Levenhuk Customer Service:
All Levenhuk products are strictly divided in series, different series provide different abilities. The Levenhuk 625 Biological Microscope has a bright-field condenser. Microscope from the next series (Levenhuk 850 series) has dual-purpose condenser that allows using both bright field and dark field methods and also allows switching between the two modes. You can find microscopes for dark field observations here: https://www.levenhuk.com/catalogue/microscopes-method-darkfield-items/

Clare (2013-09-13 02:31): Positive
will I be able to purchase a dark-field condenser for this microscope from you? Levenhuk Customer Service:
Unfortunately you can't purchase stand-alone dark-field condenser, but we suggest you consider buying a model with a built-in dark-field condenser, Levenhuk 850B Biological Binocular Microscope for instance: https://www.levenhuk.com/products/microscope_levenhuk_850b/

Bob Feather (2013-08-16 06:26): Positive
Hi! Help me please to find out the resulting magnification of this microscope with Levenhuk C35 NG Digital Camera attached. Levenhuk Customer Service:
Magnification of the Levenhuk C35 NG Digital Camera is comparable to a 10x eyepiece magnification.

Sandra Gurtman (2013-08-13 11:07): Positive
Hello. I've read the description of this microscope and it meet almost every one of my requirements. But I do have one more wish: I want to be able to connect a microscope to my PC and study images on the screen of my monitor. As far as I can see this microscope can't do such a trick. Can you suggest another model, which can be connected to PC so I could capture and store images? But I want it to have the same wide range (40-2000x) of magnifications as this one. I would also like it to be binocular so I could observe with both eyes :) Levenhuk Customer Service:
You can do all of that (capture images and transfer them to PC) with one of our digital cameras for microscopes: https://www.levenhuk.com/catalogue/digital-cameras-microscope-all-items/. You could purchase Levenhuk 625 Biological Microscope and a digital camera, or you could also consider buying one of the models that already have a digital camera included in the kit, for example Levenhuk D870T Digital Trinocular Microscope https://www.levenhuk.com/products/levenhuk-d870t-trinocular-microscope/

John Wood (2013-04-07 10:35): Positive
Please list the kit contents, what eyepieces are included? Levenhuk Customer Service:
The kit includes: two pairs of WF10x, WF20x eyepieces, 4x/0.10; 10x/0.25; 40x/0.65; 100x/1.25 (oil immersion) objective lenses, one blue filter, a vial of immersion oil (5 ml), power supply cable, dust cover.

Brian Elmers (2013-03-16 09:03): Positive
Can't see any bacteria? Why all of this then? Levenhuk Customer Service:
You can see the bacteria (since this microscope provides magnification up to 2000x). You just need sample staining. You can also observe a lot of other interesting things besides bacteria, just take a look at Levenhuk prepared slides sets: https://www.levenhuk.com/catalogue/accessories-experiment-kits-all-items/

Brian Elmers (2013-03-16 03:51): Positive
Is there a point to observing bacterium world, or is it totally lame and you can't really see anything? Do they (bacteria) even move? Is it possible to see generation of bacteria? Levenhuk Customer Service:
Bacterium world is very interesting. The images are colorful, bacteria do move. You can see the generation.

Robert Clapton (2013-03-06 03:20): Positive
I want to purchase a microscope with a possibility of upgrading. Can I buy a dark field condenser later? Is it even possible to purchase and install this kind of accessory? Levenhuk Customer Service:
All Levenhuk products are strictly divided in series, different series provide different abilities. Levenhuk 625 have a bright-field condenser. Microscope from the next series (Levenhuk 850 series) has dual-purpose condenser, that allows using both bright field and dark field methods and also allows switching between the two modes.

Danny Dean (2013-03-06 01:36): Positive
Which model has higher specifications and capabilities, 625 or 320? Levenhuk Customer Service:
Optics quality and specifications of these models are the same. The main difference is that Levenhuk 320 Biological Microscope is a monocular while Levenhuk 625 Biological Microscope is a binocular. It is much more comfortable to use a binocular microscope for lengthy observations.

Danny Dean (2013-03-03 11:50): Positive
Hello! Why does the description say that magnification is 40-1600x while it is 40-2000x in the user manual? Which is correct? Levenhuk Customer Service:
With eyepieces included in the standard kit, it is only possible to achieve a magnification of 40-1600x. To get 2000x magnification additional 20x eyepieces are required.

Danny Dean (2013-03-03 11:50): Positive
How can I purchase these 20x eyepieces and how much do they cost? Levenhuk Customer Service:
You can find 20x eyepieces and current pricing here: https://www.levenhuk.com/products/eyepiece-levenhuk-20x/

Rod Palmer (2013-02-20 11:40): Positive
Is there a trinocular version of this microscope? Thank you! Levenhuk Customer Service:
Unfortunately, trinocular head is not applicable for this model.

Fred Jumah (2013-02-11 07:14): Positive
I'm gonna reword the question: can I install a reticle (which I do have) in the eyepiece lens of this microscope? It is possible with some microscopes, their construction allow you to unbolt an eyepiece and insert a reticle scale in there Levenhuk Customer Service:
It is possible in theory, but practically such an experiment was never performed

Dan Cann (2013-02-11 02:50): Positive
Tell me please if it's possible with the eyepiece construction of this microscope to install a ruler into it (eyepiece micrometer)? Levenhuk Customer Service:
It's possible to install any eyepiece with a barrel diameter of 1.2 in

Rex Gilson (2013-02-09 03:17): Positive
Hello! Tell me please is it possible to see regular bacteria under this microscope? Levenhuk Customer Service:
Most of them are really small, but you can observe them at the magnification not less than 1200x, but sample staining is required.

Andrew Jolly (2013-02-07 04:38): Positive
Can I use this microscope for dispersion system analysis: dispersion system: a liquid of light to dark brown color; dispersion phase: a liquid from 1 to 100 micron; solids from 3 to 30 micron. I would like to get enlarged images of the dispersion system with a microscope and also get some information on dispersion phase particles dimensions Levenhuk Customer Service:
Yes, you can do that. But to get information on particle sizes you are going to need a digital camera, so consider Levenhuk D870T Digital Trinocular Microscope: https://www.levenhuk.com/products/levenhuk-d870t-trinocular-microscope/

William (2013-01-21 12:14): Positive
I want to know where I insert a blue filter, I didn’t get it. There is a condenser under the stage glass and I can't see any clips or bracers there. Can it be true that filter just lies there unfixed? Levenhuk Customer Service:
You need to insert filter under the Abbe condenser. There is an opening with a latch above the condenser. After you install a filter, you can fixate it with a latch.
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