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NA140SSf Specifications:
Design: Refractor, Japan Modified Achromatic
Objective Diameter: 140mm/5.5 in Length: 1024mm/40.3 in
Weight: 6.5kg/14.3 lbs
Focal Length: 800mm F/5.7
Includes Tube Rings
Built in Dew Shield |
NA140SSf Features:
- Advanced 4 Element objective lens, in 2 groups- minimizes residual chromatic aberrations.
- Highly portable combined with, focal length and fast f ratio
- Unique Petzval like correcting rear lens designed to improve color and flat field.
- Vixen's new Dual Speed Focuser
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