The VC 200L is an 8" f/9.0 highly corrected, highly
specialized 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. VISAC is an
abbreviation for Vixen's Six-Order Aspherical Cassegrain. The primary
mirror is held by a retaining ring, instead of hooks to decrease flare
and enhance contrast.
The VISAC
provides high-definition star images to the edge of a wide viewing
field and offers exceptionally outstanding performance in
astrophotography.Even at the edge of the 35mm film format (larger CCD
chips) stars are sharp ( smaller than 15 micrometers) This is smaller
than the resolution of fine quality CCD cameras, which means that the
telescope does not limit the image quality.With its elaborate
aspherical optical design it achieves an excellent image correction
throughout the large illuminated field. (42mm diameter fully
illuminated)
Astronomy Technology Review states: "The VC200L
focuser is one of the smoothest I've ever tested...overall the visual
image quality of the VC200L was quite impressive...and is a step up
from the typical Schmidt-Cassegrain"
| Specifications: |
|
| Manufactured |
Japan |
Focuser |
2" focuser (1.25" or T2 adaptations are optional) |
Mount Adaptation |
Dovetail plate for GP, Sphinx, many EQ mounts |
Aperture / focal length / f |
Aperture 200mm / focal length 1800mm / focal ratio f/9 |
Limiting magnitude / resolution |
Visual limiting magnitude 13.3 mag / theoretical resolution 0.63" |
Tube Weight |
6.3 kg. (13.2 lbs) |
Tube Length / Diameter |
486mm / 232mm (9.1 x 24.4 in) |
