NEW updated Mk-II model with enhanced correction of spherical aberration produces outstanding results for both visual and photographic applications.
"The ED81SII was easy to set up and install on our Go-To mount and we found it a pleasure to use being so lightweight. It's easy to recommend it for both visual and imaging purposes." Paul money writing for 'BBC Sky at Night' magazine April 2015.
The Japanese-made Vixen ED81S APO refractor with a premium f7.7 doublet objective with extra low dispersion ED glass element offers images virtually free of chromatic aberration in all colours and edge-to-edge sharpness.
Fitted with a sturdy 2-inch dual-speed Rack & Pinion focuser.
A Vixen 0.67x focal reducer is also available for imaging at f5.2
Vixen ED81S Optical Path (pdf)
Vixen ED81S Optical Path with Focal Reducer (pdf)
*A 50.8mm mirror diagonal or a 50.8mm extension tube is needed to use a 50.8mm eyepiece. **Optional photographic accessories are needed.