600 Rule

Application helpful in calculating the rule of 600 for astrophotography

With this application you can simply and quickly calculate maximum shutter speed when doing nightscape photography before star trailing becomes visible. The app utilizes the rules of 600 which tells approximately how long you can exposure your photo based on you camera's sensor and lens focal length.

Besides calculating, application provides simple preset saving mechanisms, so that you don't have to provide calculation data every time - you can just save your favorite camera configurations.