Revisiting f-stops

I assume there will come a day when depth of field becomes a controlled variable rather than pot luck. This image was taken from a close point of view – about 18 inches from the main subject which was as close as my Nikon 18-55 would allow me to get whilst maintaining auto-focus. How focused would I want the background bicycles to be? And what about the focus on the pebbles? I hope with practice, these variables will become purposeful.

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2 thoughts on “Revisiting f-stops

  1. As a rule of thumb Depth of Field extends two thirds behind the focal point and one third in front. Also Lytro has created the second gen of their light field cameras that allows you to change the focus point in post.

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