Light Meter・Exposure Meter
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Description
Try all features for free. A subscription is required only for continued access after the trial.
Measure exposure in real time using your phone as a photography light meter. Get real-time EV readings and let the app calculate the perfect exposure triangle for any scene.
REAL-TIME EV METERING
Point your device at any scene and instantly see the exposure value (EV). The live meter continuously updates as lighting conditions change, giving you instant readings for photography exposure decisions.
EXPOSURE TRIANGLE CALCULATOR
The app displays the three pillars of exposure: aperture (f-stop), shutter speed, and ISO sensitivity. Set one or two parameters and the meter automatically solves for the rest, showing you the correct combination for proper exposure.
THREE PRIORITY MODES
Choose the shooting mode that fits your workflow:
Aperture Priority (A) — set your desired f-stop and the meter calculates the matching shutter speed
Shutter Priority (S) — lock in your shutter speed and the meter determines the right aperture
Manual (M) — control both aperture and shutter speed yourself while the meter shows the EV deviation from correct exposure
SAVE AND CALIBRATE READINGS
Save your measurements for reference and review them later. Calibrate the meter to match your specific device or preferred metering style for consistent, reliable results across different shooting conditions.
PERFECT FOR FILM AND DIGITAL PHOTOGRAPHY
Whether you shoot with a vintage film camera that lacks a built-in meter, a fully manual SLR, or a modern digital camera where you want an independent reading, this light meter gives you the exposure data you need. Ideal for outdoor portraits, landscape photography, studio setups, and any situation where reliable metering matters.
TIPS FOR BEST RESULTS
Hold the device at the subject position for incident-style readings
Point toward the scene for reflected-style readings
Use Aperture Priority when depth of field is your creative priority
Use Shutter Priority when motion control matters most
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