Perfect Exposure for iOS

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Key Details of Perfect Exposure

Exposure Perfect Exposure helps you calculate the exposure time when you change the aperture, ISO, or ND filters.
Last updated on August 26, 2020
There have been 2 updates
Virus scan status:
Clean (it’s extremely likely that this software program is clean)

Developer’s Description

By Haoyuan Xia

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

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.