About this product
The Vixen VC200L is a 200mm f9.0 well-corrected, specialised telescope for astro imaging. Vixen's unique catadioptric design features a high precision sixth order aspherical primary mirror, a convex secondary mirror and triplet corrector lens. The primary mirror is held by a retaining ring, instead of hooks, to decrease flare and enhance contrast.
The VISAC (Vixen Sixth-Order Aspherical Cassegrain) design provides high-definition star images to the edge of a wide viewing field and offers excellent performance for astrophotography. Even at the edge of 35mm film format CCD chips, stars are sharp and typically above the resolution of high quality CCD imagers. This means that the telescope does not limit image quality. The optional f6.4 focal reducer allows for much shorter exposure times.
The tube is supplied with 7x50 illuminated reticle finder scope, flip mirror and dovetail mounting rail (eyepieces sold seperately).
Vixen VC200L Optical Path pdf
| Objective lens | 200mm VISAC aspherical mirror, multi-coated |
| Focal length (Focal ratio) | 1800mm (f9.0) |
| Resolving power, limiting magnitude | 0.58 arc sec., 13.3 |
| Light gathering power | 816x |
| Tube size & weight | (OD) 232mm x (L) 620mm, 6.0kg (13.2lb) |
| Finderscope | 7x50 finderscope, field of view 7° |
| Adapter thread / visual back | 60mm on scope body. 42mm for T-mount and 31.7mm push-fit on flip mirror. 50.8mm option* |
| Accessories included | Dovetail mount rail and flip mirror |
| Photography** | Prime focus, eyepiece projection and afocal imaging |
*A 50.8mm mirror diagonal or a 50.8mm extension tube is needed to use a 50.8mm eyepiece. **Optional photographic accessories are needed.
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