Astro Calc
Avoid unwanted star trails
0 ratings
Archived App
This is an archived listing of the app previously available on the App Store.Although the app is no longer distributed by Apple, you can still view its description, screenshots, version history, ratings, and metadata for reference.
About
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.
What's New in Astro Calc
1.0.1
June 21, 2020
Select lower focal lengths, all the way down to 1mm.
