ISLE Light Meter

ISLE Light Meter is a professional light metering and film photography utility for photographers who want a compact, precise, and field-ready exposure tool.

The app combines reflected light metering, zone metering, film reciprocity reference, color temperature tools, flash calculation, white balance preview, shooting templates, and three-point calibration in one clean workflow.

Key features:

• Real-time reflected light metering
• Average and center-weighted metering modes
• Zone metering for shadow, midtone, and highlight placement
• Aperture, shutter speed, ISO, and EV calculation
• Exposure compensation for filters, bellows, and accessories
• Film stock reference and reciprocity compensation
• White balance and color temperature tools
• Flash guide number and distance calculator
• Shooting templates for camera, lens, frame format, and exposure setup
• Three-point calibration for dark, midtone, and highlight response
• Import and export of calibration and shooting configuration files
• Dark and light themes
• English, Chinese, and Japanese interface support

ISLE Light is designed especially for film photographers, large format users, pinhole camera users, and anyone who needs a practical exposure meter on Android.

The app does not require an account, does not include ads, and does not use analytics SDKs. Camera, image, template, and settings data are processed locally on your device.

Accuracy may vary depending on phone camera hardware, sensor behavior, system exposure processing, and calibration conditions. For critical work, please calibrate the app with a trusted meter or camera system.