Manual Exposure vs Astro Max Calculator

Manual Exposure does the math for long exposures and night photography. Choose your equipment and settings, and the app gives you the exposure time. No tables or cheat sheets. Calculators • ND filters: exposure time with one or more ND filters. • Handheld shutter speed: the slowest shutter speed you can use without blur. • Multiple exposures: exposure compensation for multiple-exposure shots. • Still stars: the longest exposure before stars start to trail. • Star trails: exposure and number of frames for the trail length you want. • Nightscapes: exposure for landscapes in moonlight. • Moon: exposure for photographing the Moon itself. Features • Built-in timer. Start the countdown and close the app: you'll get a notification when time is up. Run several timers at once. • Home Screen widget and Apple Watch app show the running timer. • Equipment sets. Add cameras, lenses, filters and teleconverters from the catalog, and switch sets in any calculator. • Specs for every item in your sets. • Save your favorite calculators and reopen them with one tap. • ND filter compensation and lens stabilization settings. • Light and dark mode, support for larger text sizes. Full version The ND filters calculator is free. One payment unlocks all calculators, the equipment catalog, the widget and the Apple Watch app. No subscription. Privacy No account, no ads, no tracking. Your equipment and saved calculators stay on your device. We collect usage statistics to improve the app; they are not linked to you, and we don't build profiles. Support Found a bug, have a suggestion, or can't find your gear? Contact us from Support in the app. Terms of Use: https://handsmade.info/manualexposure/terms.html

Astrophotographers often use the "500 Rule" as a way to estimate the maximum shutter speed that can be used to capture the night sky before star trailing becomes noticeable. Here is a simple calculator, in night vision friendly red (or daytime color mode), to find recommended maximum shutter speeds based on your lens focal length and digital camera sensor's crop ratio. The 500 Rule is just a starting point for night sky astrophotography. You can try selecting a more conservative rule in the app (400, 300, etc.) for better focused shots. As always, experiment and find out what works best with your setup! Developer Note: This is my first App Store release. Please let me know how this app works for you, how it doesn't, or what you would like to see in further updates. Thanks!