huwevans
(Old Hand)
30/04/2007 19:55
Re: So, DoF with a reversing ring-

Quote:

Does a reversing ring give me better DoF, or I'm I going to have to save up for a dedicated (and probably really expensive) macro lens?




Neither - in close-up photography, for any given magnification (at the film plane) and aperture the DoF is essentially the same, regardless of what optical set-up was used to get there. The only effective way to get more DoF for close-up work (beyond simply stopping down) is to reduce the format size. A lot of digital compacts, for all their faults, actually make quite good tools for close-up photography, simply because of their small sensors.

You could effective replicate that benefit by photographing with your MX at a lower magnification, but then cropping and enlarging more, to get back to the required print size. But of course you will be losing definition and enlarging the grain too.



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