Know Your Camera
More About Aperture Control
Using a wide-angle lens (20 mm), I put the lens almost
touching the cotton boll in the foreground.
Notice how the other bolls appear in focus, giving a long depth of field.
Since it was a bright, sunny day and since I was using a tripod, I could
set the aperture at F16 and balance the exposure with a shutter speed of about
1/125-second.
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