Astro Calc app for iPhone and iPad
4.8 (
5968 ratings )
Photo & Video
Utilities
Developer: Ben Brackenbury
Free
Current version: 1.0.1, last update: 9 months agoFirst release : 18 Jun 2020
App size: 1.18 Mb
To avoid unwanted star trails when taking pictures of the night sky, a maximum shutter speed exists, influenced by focal length and sensor crop factor. Astro Calc calculates this for you.