Fieldlight — 35mm Light Meter

Practical 35mm metering for film shooters. Tap the preview, read the recommendation, and keep shooting.

Fieldlight is a fast, practical light meter for 35mm film photographers.

Tap the live preview to meter a scene. Fieldlight estimates scene brightness and recommends aperture, shutter speed, and ISO settings using camera-aware exposure calculations. The result stays large, readable, and easy to set on your camera.

Built for film photographers:

• Aperture, shutter, and ISO priority modes
• Film ISO lock for loaded rolls
• Optional digital dynamic ISO mode
• Spot and average metering
• Camera profile limits for aperture and shutter speed
• Handheld shutter warnings
• Exposure compensation
• Lightweight shot log
• Last measured exposure in Live Activities and Dynamic Island on supported iPhone models

Fieldlight is designed as a field tool: high contrast, minimal controls, and no account required. Meter quickly, read the recommendation, and keep shooting.