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Home > Classifieds > Astromart Classifieds > Telescope - Catadioptric > Classified #202258

For Sale: Vixen Mica Green 8” New Style VC200L VISAC Cassegrain Telescope on GP-DX Mount--SOLD

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Mica Green Vixen 8” New VC200L VISAC Cassegrain Telescope on GP-DX (Great Polaris DX) mount. Purchased April 2003, is in excellent condition. This model has been improved from previous model with lighter-weight optical tube, improved anti-reflection coatings, metal carrying handle (doubles as guide scope or camera piggyback mount) and 7x50 finderscope. If you are looking for a photographic catadioptric, this is an excellent choice. Includes heavy duty aluminum tripod, 20mm LV eyepiece, diagonal prism. See picture below.

Cost $2,550 new. Asking price $2,100 or best offer including shipping to the continental US. PayPal accepted.

VC200L’s catadioptric optical system is one of the most sophisticated optical designs available on the market today. With its unique VISAC (Vixen Sixth-Order Aspheric Cassegrain) primary mirror, the telescope gives a sharp image that is free of chromatic aberration and is flat and sharp to the edge of 35mm film.
The VISAC optical system is composed of a concave primary mirror, a convex secondary mirror and a three element field corrector. Especially noteworthy is its sharpness and flatness at the edge, which far exceeds that of Schmidt-Cassegrain systems of the same aperture. It provides a pinpoint star image less than 15 microns, even at the edge of its 42mm image circle.

The VC200L is well suited for observation and astrophotography of moon, planets, star clusters, nebulae, and comets. Motor drives, a Goto computer, and a wide range of accessories are not included, but are available as options.

Review
“Owners comment that the VC200L yields flat, distortion-free images from edge to edge thanks to the corrector lens, while spherical aberration is minimized thanks to the aspheric primary mirror. The result is pinpoint stars from edge to edge, an important consideration for through-the-telescope photography.”
— Star Ware, 3rd edition pg.146
 

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