Lightmeter: Film & Logbook overview

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**