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Telescopes > Pro Astrograph > Omegon Telescope Pro Astrograph N 200/640 OTA
( 3 / 5 )
Product no.: 65145

Telescope Pro Astrograph N 200/640 OTA

RRP: $ 3,690.00 Our price:
$ 2,979.00 incl. VAT plus shipping costs
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Product description

More about the series Pro Astrograph...

Omegon 200mm f/3.2 Newtonian Astrograph

The compact and portable Newtonian Astrograph has been developed for the dedicated astrophotographer who wants a powerful telescope with very good sharpness over a large field of view. The Astrograph has been developed for modern sensors with high resolution and large diameters up to full format.

The extremely fast aperture ratio of f/3.2 allows you to take very deep shots of deep-sky objects in just one night, while maintaining very high magnification. Images of extended nebula objects or galaxy clusters are thus possible.

The highlights at a glance:

  • Parabolic primary mirror with a 200mm, f/3.2 aperture
  • 3" corrector with 0.85 reduction built into the focuser
  • 90mm diameter secondary mirror (minor axis) for full illumination up to full format
  • Large 3" rack and pinion focuser with reduction and M48 adapter
  • Tilting possibility at the focuser
  • Adjustable and stable holder for primary mirror and secondary mirror
  • Fully illuminated and corrected image field of 44mm diameter
  • Working distance of 55mm from the M48x0.75 thread

Specifications

Optics


Type
Reflector
Type of build
Newton
Aperture (mm)
200
Focal length (mm)
640
Aperture ratio (f/)
3,2
Resolving capacity
0,69
Limit value (mag)
13,3
Light gathering capacity
820
Max. useful magnification
400
Tube weight (kg)
8
tube diameter (mm)
280
Tube length (mm)
633
Tube material
Carbon
Tube construction
Full tube
Fully Corrected Field (mm)
44

Reflector


Main mirror´s construction
parabolic
secondary mirror design
Plan
Secondary mirror diameter (mm)
90
Adjustable
yes
Ventilation for central mirror
yes
Primary mirror - Material
PZ33

Focuser


Type of build
Gear rack
Connection ( to eyepiece)
1,25"
Connecting threaded socket (camera-side)
M48
Backfocus (mm)
55 (@M48)
Free aperture (mm)
76
Gear reduction
yes

Mount


Type of build
OTA
Mounting type
no mount

Included accessories


Corrector
integrated
Tube clamps
yes
Carrying handle
yes
Transport cases
yes
Prism rail
Losmandy-Style
finder base
Vixen/Skywatcher Level

General


Series
Pro Astrograph

Area of application


Astrophotography
yes (very good)
Moon & Planets
yes
Nature Observation
no
Nebulae & galaxies
yes
Sun
no (Only with appropriate Sun filter)

Recommended for


Beginners
no
Advanced
yes
Observatories
no

Product safety

manufacturer: NIMAX GmbH, Otto-Lilienthal-Str. 9, 86899 Landsberg am Lech, DE, www.nimax.de

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Omegon Deluxe Red Dot Finder

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*All prices include VAT plus shipping costs.

Omegon Telescope Pro Astrograph N 200/640 OTA
Omegon Telescope Pro Astrograph N 200/640 OTA
Omegon Telescope Pro Astrograph N 200/640 OTA
Omegon Telescope Pro Astrograph N 200/640 OTA
Omegon Telescope Pro Astrograph N 200/640 OTA
Omegon Telescope Pro Astrograph N 200/640 OTA
Omegon Telescope Pro Astrograph N 200/640 OTA
Omegon Telescope Pro Astrograph N 200/640 OTA
Omegon Telescope Pro Astrograph N 200/640 OTA

Customer reviews

There are some issues...

Review by lkrustev on 26.08.2021 16:59:30

( 3 / 5 )

On first glance the build quality is great, but there are some issues:

- The mirror cell is an open one, so the mirror is not fixed in forward direction, so it shifts when the scope moves, and it is losing collimation all the time even during the imaging session.
- The secondary mirror is glued to the holder without too much precision, so when you align it, it is not centered, which is unfixable.

... I've tried all possible methods for collimation /many times/ and still the stars are far from perfect.

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