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.