iPhone Light Meter

Read the light.

A precise, pocketable light meter for film and analog photographers. No accounts, no cloud — every reading stays on your iPhone.

LuxLab app screen — EV 13.0
Coming soon · iOS
The Instrument

The whole meter, in your pocket.

Point, meter, shoot. LuxLab turns your iPhone camera into a calibrated reflective meter that reads any scene in an instant — EV, brightness, and a full exposure triangle at a glance.

Reflective Spot EV readout
f/5.6  ·  1/1000  ·  ISO 400  ·  EV 13.0

Capabilities

04 / Core
01

Built for film

Made for analog photographers who meter every frame by hand — calibrated for negative and slide.

02

Exposure values

Aperture, shutter, and ISO solved instantly from any scene, with full and fractional stops.

03

Spot metering

Tap to meter a single point with precision, then lock and recompose with confidence.

04

Zone system

Place any tone exactly where you want it with a clear EV and zone readout.

iOS · Coming soon

Light, measured.

A precise light meter for film and analog photographers — every reading on your iPhone, nothing in the cloud.