The VC200L's catadioptric VISAC (Vixen Sixth-Order Aspheric Cassegrain) optical system is one of the most sophisticated optical designs available on the market today: free of coma, curvature of field, spherical and chromatic aberration. 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. If you are looking for a photographic catadioptric, this is an excellent choice.
The VISAC optical system is composed of a concave primary mirror, a convex secondary mirror and a three-element field corrector at the base of the focuser. The primary mirror is a unique innovation: a precise sixth-order shape produced by Vixen's High-Precision Poly-Order Aspherical Mirror Molding Technique.
The VC200L is well suited for observation and astrophotography of the moon, planets, star clusters, nebulae, and comets. The rack-and-pinion focusing mount accepts optional 2" eyepieces and accessories, and an f/6.4 reducer for photographic use is also available. The open tube design eliminates the dew problem that is common with conventional Schmidt- or Maksutov-Cassegrain systems and its size makes it very easy to handle.
For ease of target location and precise tracking, the OTA comes on our state-of-the-art SPHINX (SX) mount with computer database and visual goto. Includes SX HAL110 tripod (height to top of tripod base adjusts from 24.75" to 38" / 63cm to 96.5cm). Model # TS-PC-2734
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