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Vixen VC200L VISAC Aspherical Cassegrain Telescope

Vixen VC200L VISAC Aspherical Cassegrain Telescope

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9.00 kg
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including VAT 20.00 % ( £308.17 )

This telescope can be seen at our premises! Casual visitors are welcome, but please call for an appointment as we are not a high street shop...

Vixen VC200L VISAC Vixen Sixth-Order Aspherical Cassegrain Telescope with Flip Mirror and Mounting rail (7x50 IR Finderscope is NOT included, optional)
Model 75870

The 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. VISAC is an abbreviation of Vixen Sixth-Order Aspherical Cassegrain. The primary mirror is held by a retaining ring, instead of hooks to decrease flare and enhance contrast.

The VISAC 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 flip mirror and dovetail mounting rail.

Image is for demonstration only. Eyepieces and finderscope are not included.

Aluminium Vacuum Evaporation System
Vixen has created a unique aluminium vacuum evaporation system to produce extremely precise mirror surfaces. More accurate than the error-prone process of grinding material to form a mirror surface, Vixen's revolutionary system works by controlled layering of aluminium film. The primary mirrors in the unique sixth-order aspheric Cassegrain fitted to the VC200L as well as the 200mm Newtonian R200SS are produced using this aluminium vacuum evaporation system.

Aperture: 200mm
Objective lens: VISAC Aspherical Mirror, Multi-coated
Focal Length (Focal Ratio): 1800mm (f/9.0)
Resolving Power, Limiting Magnitude: 0.58 arc sec, 13.3
Tube Size & Weight: (OD) 232mm x (L) 620mm, 6.0kg (13.2 lb)
Finder Scope: 7x50 finder, field of view 7.0 degrees
Adapter Thread / Visual Back: 60mm on scope body. 42mm for T-mount and 31.7mm push-fit on flip mirror. (Optional: 50.8mm)
Eyepieces sold separately.
Highest Useful Magnification: 400x
Light Gathering Power: 816x
Photography: suitable for astrophotography (prime focus, eyepiece projection and afocal imaging) with optional photo accessories.
Total weight: 6kg

Main image is for demonstration purposes only (it doesn't show the otherwise included dovetail plate)

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