Apps in this category may contain mild or occasional cartoon, fantasy or real-life violence, as well as occasional or mild adult, sexually suggestive or horrifying content and may not be suitable for children under 9 years of age.

12+

Apps in this category may contain occasional mild indecent language, frequent or intense cartoon or real-life violence, minor or occasional adult or sexually suggestive material, and simulated gambling, and may be for children under 12 years of age.

17+

You must be at least 17 years old to access this App.

Apps in this category may contain frequent and intense offensive language; Frequent and intense cartoon, fantasy or realistic violence: frequent and intense adult, scary and sexually suggestive subjects: as well as sexual content, nudity, tobacco, alcohol and drugs, may not be suitable for children under 17 years of age.

Perfect Exposure Screenshots

iPhone

About Perfect Exposure

• Exposure
Perfect Exposure helps you calculate the exposure time when you change the aperture, ISO, or ND filters.

• Time-lapse
Perfect Exposure helps you plan a time-lapse shot by calculating the shooting duration and the final video duration.

• Stars
Perfect Exposure tells you maximum exposure time to produce sharp stars without trails. It includes the widely-used 600 Rule and 500 Rule, as well as the more accurate NPF Rule.

• Star Trails
Perfect Exposure calculates the angular length of the star trails within a certain period. It also shows an illustration of the actual scene.*

• Depth of Field
Perfect Exposure calculates the depth of field under certain focal length and aperture, as well as the hyperfocal distance.

* The illustration does not reflect the actual position of stars in the sky.

What's New in the Latest Version 6.0

Last updated on Nov 10, 2019

Old Versions

• Added support for iOS 13
• Minor UI improvements
• Minor bug fixes

Version History

6.0

Nov 10, 2019

• Added support for iOS 13
• Minor UI improvements
• Minor bug fixes

5.0

Aug 18, 2019

• Performance and stability improvements

4.0

Jul 14, 2019

• Introduced a new module: Depth of Field
• Included two medium format sensor sizes
• Minor UI improvements

3.0

May 5, 2019

• Redesigned UI for better experience
• Added the capability to save values from last use
• Fixed an issue which prevented text boxes from updating after multiple edits before pressing the “Return” key

2.0

Apr 21, 2019

• Introduced three new modules: Time-lapse, Stars, and Star Trails
• Added a top-level menu for quick navigation
• Adopted a monospaced font for timers to prevent “Shaky” text
• Minor theme color adjustments for a more consistent UI

1.0

Oct 15, 2018

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