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Old 08-03-2013, 10:12 PM
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Kal (Andrew)
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Join Date: Nov 2006
Location: Sydney
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Quote:
Originally Posted by gregbradley View Post
The only reservation is 2.7 inch focusers are only good for up to APS sized sensors. 35mm or larger require 4 inch.
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
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