Mini Borg Astrographs

Mini Borg AstrographsFaster, Wider. Mini Borg Astrographs
Utilizing a New Triplet Super Reducer.
Mini Borg Astrographs.Two New Mini Borg Astrographs for wide field imaging utilizing a new triplet 0.66x* reducer:45EDII F4.7 (45EDII + 0.66x reducer) Focal Length = 210mm60ED F3.8 (60ED + 0.66x reducer) Focal Length = 230mm* The reducer is suitable for refractors from 300-500mm. When the 0.66x reducer is used with
a first generation Borg 45ED, the system speed is F4.3.Features:
5-Elements advanced Petzval optical design - enables super sharp wide field photographs
30mm image circle (suitable for APS type sensors)
Generous back focus - allows insertion of extra imaging accessories such as a filter wheel for
cooled CCD cameras
All optical and mechanical parts are made in Japan.0.66x Triplet Super Reducer (7866)
Unique triplet design with a steep curve element
Produced by Borg's new partner Pentax Japan
Adjustable optics for optimized use with objectives between 300mm and 500mm focal lengthSytem comprises Borg parts 2260\2046 + 7458 + 7860 + 7604 + 7866 + 500X + DSLR
CameraPlease specify make of DSLR when ordering.
 

You are buying from an authorized Hutech/Borg UK dealer.