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Old 30-10-2012, 02:49 PM
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Peter Ward
Galaxy hitchhiking guide

Peter Ward is offline
 
Join Date: Dec 2007
Location: The Shire
Posts: 8,111
Quote:
Originally Posted by Paul Haese View Post
I went with a similar image scale. The corona near maximum will be fairly extensive. I have a 300 f2.8 with a 2x TEC giving me a 600 f5.6 unit on my D3.

I have included an image to show scale.
600mm will probably be the sweet spot for the D3
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