Light Meter & Logbook

Turn your phone into a professional light meter and photo logbook — built for film, digital, medium-format, and pinhole photography.

**ACCURATE EXPOSURES**

• Reflected metering using your phone’s camera

• Incident metering using the built-in light sensor

• EV calibration for consistent, precise results

• Fractional stops (½, ⅓) for fine control

**ADVANCED TOOLS**

• ISO from 3 to 25,600 — full range for any situation

• ND filter support and long-exposure timer with reciprocity correction

• Spot metering with live histogram

• 35 mm equivalent and medium-format focal length display

• Color filter preview for accurate B&W film visualization

• Pinhole camera support with custom f-numbers

• Built-in library of 20+ films; add your own and use push/pull

• Equipment profiles for cameras, lenses, and pinhole — including medium format

**FAST & FLEXIBLE**

• One-tap exposure calculation

• Customizable metering layout

• Dark mode and haptic feedback

**PHOTO LOGBOOK**

• Record exposure settings, location, and notes for every shot

• Keep all shooting data organized and easy to find

**PERSONALIZED INTERFACE**

• Light, Dark, or System theme

• Material You dynamic colors

• Custom primary color

Download Light Meter & Logbook for accurate exposures and a complete shooting record — all in one app.