Light Meter EV: Luxwell

Luxwell is a pocket light meter for iPhone. Measure reflected, incident, and spot EV live from the camera, then set shutter, aperture, and ISO. The meter and Sunny 16 calculator stay free. Point at the scene, the light on your subject, or a single tone. Hold a reading when you have it. Switch the readout between EV, lux, and foot-candles. Built for film and digital photographers who want exposure they can trust in the field. LIVE METER Reflected, incident, and spot modes Tap and pinch the spot reticle. Spot locks exposure so you can compare tones Hold to freeze a reading Shutter, aperture, and ISO in 1/3-stop steps EV, lux, or foot-candles SUNNY 16 Free exposure calculator. Pick ISO for a shutter at f/16, or pick shutter and aperture for a suggested ISO. A fast outdoor starting point, then adjust for haze, backlight, or subject brightness. LUXWELL PRO Optional one-time unlock. Not a subscription. Live metering stays free. Zone system scale on the live meter Manual 0.1-stop calibration, or guided Align to Sunny 16 Shoot log with export Film ISO helper with reciprocity warning Extra camera presets Restore Purchases is in Settings. Luxwell uses the iPhone camera to estimate scene brightness. Results are useful for exposure decisions but are not laboratory-grade and may differ from a calibrated handheld meter. ----------- Privacy Policy: https://luxwell.paprikatech.io/privacy Terms of Use: https://luxwell.paprikatech.io/terms Support: [email protected]