Vixen VMC200L Optical Tube Only

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Part Number: 58291

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Description

The VMC200L Reflector Telescope is a unique 200mm, 8" catadioptric optical system. It incorporates a primary mirror and a meniscus corrector just before a secondary mirror. By doing so, light is corrected twice on the optical path. The end result is that spherical aberration and field curvature are corrected to a high degree of optical performance. The VMC200L Telescopes's primary mirror is f/2.5; the compound optical system is f/9.75. This makes the system much more compact and portable than its competition. With the optical correction placed before the secondary mirror, the VMC200L Telescope avoids the necessity of having a corrector plate and all the dewing problems associated with a closed optical tube.

An additional key feature is the rack and pinion focusing that is placed behind the primary mirror. The use of this focusing system eliminates the image shift associated with most other SCT systems. This is especially important when using high power magnification or astrophotography. When focusing, the image is stable and easy to adjust. Astronomy Technology says "the f/9.75 focal ratio is noticeably faster than the typical Maksutov design ..which translates into a wider true field of view. Reaching focus is easy...Lightweight, portable, 8 inches of aperture, fast cool down, zero image shift, and reasonably priced - I guess it may be possible to have your cake and eat it too." Read the full review in Astronomy Technology Today. The VMC200L Reflector telescope is made in Japan and is covered by a Five Year Warranty.

Specifications:
Objective Lens	200mm (8 ) ; precision spherical mirror
Coating	Multi Coated
Primary mirror	f=1950mm, f/9.75
Secondary mirror:	d=72mm, magnification 3.9x
Distance primary secondary	~330mm
Back Focus (from rear edge of focuser body)	149.0mm
Back Focus with Reducer (from rear edge of reducer)	63.5mm
Central obstruction	80mm diameter
Theoretical resolution (Dawes):	0.63"
Theoretical min mag:	13.3
Light Gathering	816x
Adapter Thread	60mm/50.8mm compression ring
Tube length	510mm
Weight:	5.9kg (13 lbs)
Dimensions:	232mm x 510mm (9.1 x 20 inches)
Finder scope:	Optional
Accessories	Metal Carry Handle, Dovetail Mounting

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Vixen VMC200L Optical Tube Only

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