Deterministic math forphotographers who won't accept guesswork.
Physics-first exposure, astro, and optics planning. Built for the field with fast, responsive UI and clear outputs.
Astro Photography
Exposure & ISO Calculator
NPF rule calculations, celestial object tracking, best dark sky nights, and real-time position guidance.
Sun + Moon
Position Planner
Visual compass for sun and moon positions. Plan golden hour, blue hour, and lunar photography sessions.
DOF + Motion
Blur Calculator
Depth of field, hyperfocal distance, and motion blur calculations with panning guides for motorsports.
Real Math
Physics-based algorithms, not approximations
Accurate Forever
Astronomical calculations for any date
Location Aware
GPS integration for precise results
Field Ready
Mobile-first, works offline
100+
Celestial Objects
14
Day Forecast
∞
Date Range
0
API Dependencies
Built by photographers, for photographers. Open source and privacy-first.