f-Stop Printing Calculator

Photo & Video

Free · Designed for iPad

The f-Stop Printing Calculator allows darkroom printers to modify times by stops when calculating exposure values. The calculator will establish 1/4 stop increments (+ or – up to 3/4) of the base time you have entered and, either generate a new time, or an increment of an f-stop if you are burning in. By working with f-stops rather than linear units of time, you can produce an easier to read test strip as the exposure differences are exactly equal. This app has been designed by Digitaltruth Photo Ltd and Bruce Tanner.

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Improved display and compatibility

The developer, Freestyle Photo & Imaging, has not provided details about its privacy practices and handling of data to Apple. For more information, see the developer’s privacy policy .

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    The developer will be required to provide privacy details when they submit their next app update.

    The developer has not yet indicated which accessibility features this app supports. Learn More

    • Provider
      • Freestyle Sales Company Limited Partnership
    • Size
      • 656.4 KB
    • Category
      • Photo & Video
    • Compatibility
      Requires iOS 9.0 or later.
      • iPhone
        Requires iOS 9.0 or later.
      • iPad
        Requires iPadOS 9.0 or later.
      • iPod touch
        Requires iOS 9.0 or later.
      • Mac
        Requires macOS 11.0 or later and a Mac with Apple M1 chip or later.
      • Apple Vision
        Requires visionOS 1.0 or later.
    • Languages
      • English
    • Age Rating
      4+
    • Copyright
      • © Digitaltruth Photo Ltd