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Originally Posted by Chalk Downlanders Is it possible to work out the depth of field for each f stop?
I have a 350D with a Sigma 105mm macro.
Thanks
Kev |
If you do a search you can often find them. Remember though, DOF depends not just on the F Stop, but the distance away from the subjects! The closer to, the less DOF.
You can do tests with your own combination though. Try sticking some pins in a row in some card or similar, and photographing it looking along the pins and slightly to one side. You can also just photograph a ruler looking down on it at say 30 degrees, using different apertures, or even just taking pics of lined or fine graph paper. Mark a spot to focus on and you should be able to get a good idea of DOF from the resulting images.