Quote:
Originally Posted by strongmanmike
Yes definitely considered that and the ASA 1.8X Barlow-corrector would be good but it only corrects about a 30mm image circle, I would prefer to have the whole 52mm of the 16803 field corrected...buut ya never know, I would still have a larger real FOV than currently supplied by the H694 at native FL at least and only a small drop in image scale
... hmm 
Mike |
http://www.astro-physics.com/index.h...ies/baader/ffc
focal position may be an issue