VIXEN VMC200L 200mm (8") Catadioptric OTA

Manufactured by: Vixen
Model: 5829


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The VMC200L is a unique 200mm 8 inch 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 VMC200Ls 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 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 astro-photography. When focusing, the image is stable and easy to adjust. Manufactured in Japan.

Construction: Catadioptrical reflector  
d=200mm (8) ; f=1950mm, f/9.75  
Primary mirrorf=1950mm, f/2.5  
Secondary mirror:d=72mm, magnification 3.9x  
Distance primary secondary~330mm  
Central obstruction80mm diameter (40% of d  
Theoretical resolution (Dawes):0.63"  
Theoretical min mag: 13.3  
Tube length~525mm incl. focuser  
Weight:5.9kg (13 lbs)   
Dimensions:232mm x 535mm (9.1 x 21 inches)   
Finder scope:

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