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Old 08-03-2013, 10:17 PM
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Larryp (Laurie)
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Join Date: Apr 2012
Location: Sydney
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Quote:
Originally Posted by Kal View Post
I'm pretty certain that a 2.7" focuser is large enough for an unvignetted image on 35mm

4" focusers are designed for medium format, like a pentax 6x7
I had 2.7" focusers on my Starfires, and used to do 35mm photography (film) with no vignetting
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