About Stop star trails calculator
Application calculates approximate exposure time for your camera to avoid star trails on your night sky photo. Maximal exposure time is calculated using the following formula:
500 / (crop_factor x focal_length)
Download and install
Stop star trails calculator version 1.1 on your
Android device!
Downloaded 500+ times, content rating: Everyone
Android package:
cz.radosh.stopstartrails, download Stop star trails calculator.apk
by X####:
i love it!!!!