ExpoImaging ExpoAperture User Manual
Page 36
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Step 3 - Find the number of distance zones on the front
of the Depth-of-Field Guide to find the preferred aperture
setting. (Make sure your actual focal length is set in the
window.)
3 distance zones @ 50mm = f11. Use f11 for a depth-of-
field range of 7 ½” - 8”.