EXCERPT page containing first few paragraphs. 2018-11-12 19:31:37
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Examples in the Dana Lakes are of Glacier Canyon in the Ansel Adams Wilderness of the Eastern Sierra.
I’ve come across many a subject that simply could not be photographed in the way I conceived it: fully crisp where I wanted it so:. There was no way to capture it in a single frame because key areas would blur-out from lack of depth of field and diffraction. This applies particularly to subject matter at close range and/or extended near-far compositions.
These examples use focus stacking (Zerene Stacker) to deliver far more detail than is otherwise possible, even at f/11. Focus stacking is the only method by which adequate depth of field can be obtained in such scenes (while retaining strong contrast), f/11 being inadequate and f/16 far too damaging to contrast at all levels, from diffraction.
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