ISO Exposure: Camera Meter
Light Metering for Photos
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Archived App (Last seen on 16 May 2026)
This is an archived listing of the app previously available on the App Store.Although the app is no longer distributed by Apple, you can still view its description, screenshots, version history, ratings, and metadata for reference.
About
Measure light and calculate perfect exposure settings with ISO Exposure — the precision camera metering tool for photographers.
Using your iPhone's ambient light sensor, the app measures scene brightness and calculates optimal ISO, shutter speed, and aperture combinations for any shooting condition.
Key Features:
- Real-time light metering using ambient sensor
- EV (Exposure Value) calculation and display
- ISO, shutter speed, and aperture recommendations
- Exposure triangle visualization
- Multiple metering modes for different scenarios
- Sunny 16 rule reference built-in
- Support for common ISO values (100-6400)
- f-stop and shutter speed wheels for quick adjustment
Whether you're shooting with a DSLR, mirrorless camera, or vintage film camera, ISO Exposure gives you the light readings you need to nail your exposure every time.
Perfect for photographers who shoot in manual mode, film enthusiasts who need a reliable light meter, or students learning the fundamentals of exposure.
Download now and never miss the perfect exposure again!
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What's New in ISO Exposure
1.0
April 10, 2026
