Levenhuk Ra 200N F5 OTA

Newtonian telescope with a built-in primary mirror cooling fan. Aperture: 200mm. Focal length: 1000mm

Reflector

Optical design

7.9

Aperture – the diameter of the light-collecting lens (refractors and catadioptric) or mirror (reflectors) that the telescope uses to collect light

39.4

Focal length – the distance from the primary lens or mirror to the point at which the light is focused

Availability

Product ID	50746
Brand	Levenhuk, Inc., USA
Warranty	lifetime
EAN	5905555002583
Package size (LxWxH)	40.2x16.1x13.8
Shipping Weight	31.7

Description

Levenhuk Ra 200N F5 OTA is an optical tube for deep space exploration. This is a powerful and high-aperture Newtonian reflector that can be used for both visual observations and astrophotography. This Optical Tube Assembly (OTA) will be a real catch for any amateur astronomer, as you can see many nebulae, galaxies and star clusters with it as well as lunar craters, dust storms on Mars, Saturn's rings, and even the Galilean moons of Jupiter. You can observe many astronomical objects in detail.

The optical design of the telescope is based on the primary mirror with a 200mm diameter. It is covered with aluminum coating. Its reflectivity index is 92~96%. The transmitted image is crisp and clear, and optical distortion does not appear even at the maximum magnification. There is a cooling fan on the back of the telescope tube. It almost doubles the temperature stabilization of optics. It makes it possible to equalize the temperature of the mirror with the ambient temperature much faster than it happens in other telescopes. This is important if the OTA is stored in a warm room and is taken outside for observation. The fan is powered by batteries (purchased separately).

The sharpness is adjusted more smoothly and precisely in comparison with entry-level models. The reason for this advantage is a dual-speed Crayford focuser.

The optical tube has a standard set of mounts, so it can be installed on most modern mounts.

Please note: Mount, tripod, and eyepieces are not included.

Features:

Optical tube with paraboloid primary mirror 200 mm in diameter
Active cooling of optics for faster temperature stabilization
Special aluminum coating with a reflectivity index of 92~96%
High aperture, minimum optical distortion even at extreme magnification
Dual-speed Crayford focuser for precise focus adjustments
Universal mounting system: compatible with most mounts

The kit includes:

Telescope optical tube
Finder 8x50mm
Finder scope base
Dovetail plate
Tube rings (2 pcs.)
Extension tube 35mm
Cooling fan
User manual and lifetime warranty

specifications

Product ID	50746
Brand	Levenhuk, Inc., USA
Warranty	lifetime
EAN	5905555002583
Package size (LxWxH)	40.2x16.1x13.8
Shipping Weight	31.7
Optical design	reflector
Optical scheme	Newtonian
Optics material	BK-7
Optics coating	aluminum
Primary mirror diameter (aperture), in	7.9
Lens (mirror) shape	parabolic
Focal length, in	39.4
Highest practical power, x	400
Aperture ratio	f/5
Limiting stellar magnitude	13.61
Eyepiece barrel diameter, in	1.25/2
Objective lens obstruction: by area	0
Objective lens obstruction: by diameter	35
Finderscope	optical, 8x50
Focuser	2", Crayford, dual-speed
Telescope control	manual
Additional	primary mirror cooling fan
Operating temperature range, °F	23...+95
Optical tube mounting mode	dovetail plate
Dovetail mount	✓
Optical tube material	metal
User level	experienced users, professionals
Assembly and installation difficulty level	easy
Observed object	deep-sky objects

References
and downloads

User manual: Levenhuk Ra Reflectors OTA (pdf)

(PDF, 544.19 Kb)

High-resolution images (zip)

(ZIP, 36.31 Mb)

click to
download

Questions and Answers

Horacio (2015.03.19)

When is the Levenhuk Ra 200N F5 OTA going to be available or in stock ?

Customer service:

Hello Horacio,

Thank you for your inquiry.

I regret to inform you that we do not expect to receive the Levenhuk Ra 200N F5 OTA in near future.

Is there any additional information you might need?

Looking forward to your reply.

Peter (2015.01.11)

Hi! I have a telescope mount from Bresser Messier telescope. The one with steel tripod and with the "MEADE ME5" inscription. Is it suitable for this telescope model?

Customer service:

Yes, this mount is suitable for the Levenhuk Ra 200N F5 OTA.

Leo Kane (2014.11.23)

Hello! I would like to purchase my first telescope to be able to observe astronomical objects. 1. I am not sure which optical design (refractor of reflector) I should choose. 2. Speaking of the telescope's aperture, this telescope seems to be great, but it looks like the kit doesn't include a tripod and eyepieces, so I guess it's not suitable for me cause I'm a beginner... 3. I'm going to observe (most of the time) in the city and use the instrument mainly for observing deep-sky objects. 4. And also I have doubts about shipping... will the package get to Alaska safely??

Customer service:

1. Refractors perform exceptionally well in the city, they successfully cope with urban light pollution. Refractors are perfect for observations of the Moon, binary stars, they are also easy to use. 2. We recommend that you consider Levenhuk Skyline PRO 105 MAK Telescope - http://www.levenhuk.com/catalogue/telescopes/levenhuk-skyline-pro-105-mak-telescope/ . 3. The telescope will be delivered to you safe and sound.

max roller (2014.05.18)

What's the difference between this model and Levenhuk Ra 200N F4 OTA. The last one is much more expensive... why?

Customer service:

The Levenhuk Ra 200N F4 OTA model has a shorter focal length of 800 mm, it's lighter and has smaller dimensions.

max roller (2014.05.18)

Tell me please what's the difference between this tube and Levenhuk Ra 200N Dob Telescope? I mean the price is the same, so...

Customer service:

Levenhuk Ra 200N Dob has a longer focal length of 1200 mm, also it comes with a Dobsonian mount, Plossl 9 mm and SuperView 30 mm eyepieces.

Zack (2014.03.26)

I'm interested in buying this tube... what about mirror quality? Strehl ratio? At least approximately?

Customer service:

Levenhuk Ra telescopes are designed for the most demanding users. The optics quality is at the highest level. Unfortunately calculation of Strehl ratio was not performed for this tube.

Terry (2014.02.21)

Which eyepieces do I need to get the highest practical power?

Customer service:

Consider Levenhuk Ra LER 3 mm Eyepiece: http://www.levenhuk.com/catalogue/accessories/telescope-accessories/telescope-eyepieces/levenhuk-ra-ler-3mm-1-25-eyepiece/

mark baker (2014.01.10)

Hi. Will I be able to maintain the main mirror by myself and what cleaning stuff do I need? Thanks in advance

Customer service:

Yes, you can, if you are totally sure of what you are doing. The mirror can be washed if it get dusty. All you have to do is melt some baby soap in distilled water and churn it. After washing it you should rinse the mirror with clean distilled water and not wipe it, but let it dry in a vertical position so the drops can flow down.

mark baker (2014.01.09)

Hi. Please tell me if this model can be set on the mount from the Bresser Galaxia 114/900 telescope. thanks!

Customer service:

Unfortunately, this mount isn't suitable for Levenhuk Ra 200N F5 OTA.

Bruce Horton (2014.01.05)

What else do I need to purchase to install this tube on the Sky-Watcher EQ5 mount?

Customer service:

Levenhuk Ra 200N F5 OTA is equipped with the dovetail plate tube-mount assembly system. So there's no need to buy anything additionally.

Bruce Horton (2014.01.04)

Is Sky-Watcher EQ5 mount ok for this tube?

Customer service:

Yes, you can install Levenhuk Ra 200N F5 OTA on this mount.

KEVIN HARVEY (2013.12.13)

Good day, is eq3 white mount compatible with this tube?

Customer service:

Please clarify which mount do you have in mind?

Jerry (2013.11.14)

Hi. Is there a eq mount without any control systems and auto guidance for this tube?

Customer service:

Unfortunately all EQ mounts that can take the weight of Levenhuk Ra 200N F5 OTA and are available, have autoguider system.

cris (2013.08.16)

Hi they comming with the rings ...?....and dove tail ?.

Customer service:

Hello Cris, thank you for interest in Levenhuk products! Yes, this model comes with the rings and dovetail mount. Unfortunately, the Levenhuk Ra 200N F5 OTA is currently out of stock. Please look through the Levenhuk Ra 200N F4 OTA model. Could you please provide your shipping address or just a zip code, so I will be able to calculate the shipping cost for you? Looking forward to your reply.

THOMAS D WILLIAMS (2013.06.12)

Will I be able to connect camera or laptop to this equipment

Customer service:

Hello Thomas,
Thank you for your interest in Levenhuk products! Yes, the Levenhuk RA 200N F5 OTA model is perfect for astrophotography. You can connect an SLR or Levenhuk camera to this model. With the help of the camera you will be able to look through astro images or videos. Please let us know if you need further assistance.

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