[pure-silver] Re: Bellows factor and DOF
- From: RobC <ps@xxxxxxxxxxxxxxxxxxxxxx>
- To: pure-silver@xxxxxxxxxxxxx
- Date: Mon, 25 May 2009 23:08:48 +0100
It is just saying that you can set aperture to F4 instead of applying a time
factor. Opening up to F4 will give you an effective f8 at 1:1 magnification.
But if you do that, then you must recalculate DOF because it will change as a
result of using an F4 setting.
RobC
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