What's New

Select lower focal lengths, all the way down to 1mm.

App Description

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.

iPhone Screenshots

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Astro Calc screenshot 1 Astro Calc screenshot 2

iPad Screenshots

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Astro Calc screenshot 3 Astro Calc screenshot 4

App Changes

  • June 19, 2020 Initial release
  • July 16, 2020 New version 1.0.1

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