Silverlog Stars

By Simon Westgate on AppTrack Ninja.

Astrophotography Exposure Calc

Silverlog Stars calculates the maximum exposure time for sharp, pinpoint stars — helping you avoid unwanted star trails in astrophotography. HOW IT WORKS Choose your focal length, aperture and camera sensor size. The calculator shows your maximum shutter speed using an established rule (500 Rule, 400 Rule or NPF Rule) so stars remain points of light rather than streaks. FEATURES • 500 Rule and the more conservative 400 Rule • NPF Rule calculation (more accurate for modern sensors) • Seven digital sensor sizes, from 1-inch to medium format • Typical pixel pitch built in for each sensor size, u…

Categories: Photo & Video, Utilities

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