Lensage: Astro & Photo Planner

Lensage is the all-in-one planning calculator for photographers and astrophotographers. Plan the light, chase the Milky Way, and nail your settings — every feature, completely free, fully offline.

Know exactly where the sun, moon, and Milky Way core will sit in the sky, down to the minute. Lensage gives you precise azimuth and altitude so you can frame a scene long before you arrive.

LIGHT & SKY PLANNING

• Sun and moon position: azimuth, altitude, rise and set

• Golden hour and blue hour timing for any date and location

• Milky Way core direction and visibility

• Milky Way night calendar — find the best nights to shoot

• AR Sky view: point your device and see the sun, moon, and galactic core overlaid on the real sky

13+ PROFESSIONAL CALCULATORS

• Depth of field and hyperfocal distance

• NPF rule for pinpoint stars

• Exposure and exposure value (EV)

• ND filter exposure times

• Star trails

• Field of view, equivalent focal length, and more

MORE FOR YOUR CRAFT

• 33 exposure recipes — starting points for Milky Way, moon, star trails, and night scenes

• Glossary of photography terms

• Works on iPhone, iPad, and Apple Watch

• Completely offline — no signal needed in the wild

Lensage requires no subscription. Every tool is free to use, with no account and no internet connection required. Plan from your couch or from a remote ridgeline at 3 a.m. — it all just works.

Free, with ads; an optional one-time in-app purchase removes ads (not a subscription).