8000 DOF Calculator: Focus distance in logarithmic steps · Issue #337 · 400plus/400plus · GitHub
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DOF Calculator: Focus 9D38 distance in logarithmic steps #337

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GoogleCodeExporter opened this issue Mar 14, 2015 · 1 comment
Open

DOF Calculator: Focus distance in logarithmic steps #337

GoogleCodeExporter opened this issue Mar 14, 2015 · 1 comment
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auto-migrated Priority-Medium Type-Enhancement

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@GoogleCodeExporter
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The current implementation of the DOF calculator allows for setting the focus 
distance as an integer number of meters only.

This works well in the range of say 3 to 10 meters. But for shorter distances 
it is far too coarse (DOF with most focal lengths changes drastically between 1 
and 2 meters), and for longer distances it is far too fine.

Hence I'd propose the use of logarithmic steps for focus distance. After all us 
photographers are pretty much used to log scales.

Something like 0.5 / 0.63 / 0.8 / 1 / 1.25 / 1.6 / 2 / 2.5 / 3.2 / 4 / 5 / 6.3 
/ 8 / 10 and so forth.

Original issue reported on code.google.com by theflyin...@iol.it on 6 May 2013 at 3:43
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