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About Focalc
Nature Photography Calculator
Focalc is an assistant to calculate the time with ND filter, rule of 500 and hyperfocal calculation.
Enter the lens, aperture, shutter speed and ND filter parameters with scroll bars,
selecting the data you want to display the result on the screen.
What's new in the latest 1.9
Last updated on Aug 12, 2022
Minor bug fixes and improvements. Install or update to the newest version to check it out!
Videos and Screenshots
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