Calculate ND filter exposure times and equivalent exposure settings
IOS APP / AVAILABLE ON APP STORE
Light Ruler: Photo Toolkit
Plan exposure, depth of field, and night-sky shots
For landscape, long-exposure, night-sky, and everyday exposure planning.
WHAT IT DOES / FEATURES
Make one specific task
clearer and faster.
Check depth of field, near and far limits, and hyperfocal distance
Plan night-sky shutter times, angle of view, and equivalent focal length
PRIVACY / LOCAL-FIRST
Your data stays
on your device.
No account, backend connection, or active network requests. Camera profiles, lens profiles, and saved calculations stay on your device.