Exposure Calculator

Given an exposure (Aperture, Shutter speed, ISO), allows calculating equivalent exposures - set 2 new parameters (a combination of Aperture, Shutter and ISO) and the 3rd parameter is automatically calculated.

It is also possible to add 1 to 3 ND filters of up to 30 stops each to the calculations, handy for those long exposure photographs to blur water and clouds.

The app also includes a timer for exposures of 4 seconds or longer.

Main features:
 • aperture range from f1.0 to f360
 • shutter range from 30s to 1/16,000s
 • ISO range from ISO 0.8 to ISO 3.2M
 • ND filter up to 30 stops, in 1, 1/2 or 1/3 stop increments
 • up to 3 stacked ND filters
 • ND filter modes: stop, density, ND number
 • timer for exposures of 4s or longer with alarm
 • night mode (Lollipop and above)
 • optional compensation wheel to account for reciprocity failure

Permissions:
 • control vibrator: to vibrate after the timer expires
 • read external storage: to enable selecting a custom ringtone stored on the SD card to be played when the timer expires

A review of the app is available on this blog post: http://www.craigrogers.photography/?p=2548

You can join the beta test program here: https://play.google.com/apps/testing/com.quicosoft.exposurecalculator.app

Note: in the Shutter settings section there is a switch tor camera type. This switch simply selects how a small set of shutter speeds around 1 second are displayed, choose the one your camera adheres to. Exposure calculations work for all camera makes, this switch is simply for display purposes.

Note2: if you're reading this the app will use English on your device. If this is not acceptable to you, please do not install the app.

Please contact me if you'd like to help translating the app into your language.
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What's New

Fixes timer being delayed on Oreo devices due to background running restrictions.
Read more

Additional Information

Updated
March 26, 2018
Installs
100,000+
Current Version
2.7.6
Requires Android
4.1 and up
Content Rating
Everyone
Permissions
Offered By
Quicosoft
Developer
C/Canigo, 48 08570-Torello Barcelona Spain
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