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Old 27-11-2013, 07:09 AM
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Peter.M
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Join Date: Sep 2011
Location: Adelaide
Posts: 947
Quote:
Originally Posted by multiweb View Post
Been down this path and as you said changed the spider which helped tremendously. I've also modified the primary cell mounting and that made it rock solid and hold collimation. So no problem stiffening it. I have reservations bringing it down to F/2.8 though. I'm not sure if you'll manage to correct the whole imaging circle with shorter FL.
I too have reservations about the level of correction at such a fast focal ratio which is why I asked if anyone was using one. I have read about your modifications and they look great.
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