Light Meter - Lux Camera2.1

Light Meter - Professional Exposure & Lux Meter
Turn your iPhone into a powerful light meter for photography, filmmaking, video, studio lighting, and everyday light measurement.
Measure light levels in lux, foot-candles, and EV, then instantly calculate the ideal camera exposure using ISO, aperture, and shutter speed. Use precise spot metering, average metering, exposure compensation, histogram, waveform, false color, and zebra tools to better understand every lighting situation.
Professional Light Metering
Live lux and foot-candle measurement
EV and EV100 calculations
Spot, average, center-weighted, and multi-zone metering
Exposure lock and compensation
Custom calibration profiles
Measurement stability and confidence indicators
Photography & Video Tools
ISO, aperture, and shutter calculator
Exposure triangle
Histogram
Waveform monitor
False color
Zebra exposure display
Zone System
Lighting ratio calculator
Color temperature estimation
ND & Long Exposure
ND filter calculator
Long exposure calculator
Shutter speed conversion
Optical density calculations
Reciprocity calculator for film photography
Lighting Analysis
Measure key, fill, rim, and background lighting
Calculate lighting ratios
Create lighting measurement maps
Analyze lighting uniformity
Save measurements with notes and photos
Professional Workflow
Measurement history
Project-based measurement sessions
Photo and EXIF analysis
Custom reference profiles
CSV, JSON, PDF, and image export
iCloud synchronization
Apple Watch companion
Home Screen widgets
Apple Shortcuts support
Designed with a clean, modern iOS interface, Light Meter gives photographers, cinematographers, filmmakers, lighting technicians, students, and creators a powerful set of tools for understanding light and making better exposure decisions.
Note: Camera-based lux measurements are estimates and can vary by device, scene, and calibration. For professional or compliance-critical measurements, use a calibrated external light sensor.

The App offers two subscription options:
-$3.99 Monthly
-$34.99 Yearly
Prices may vary by location.

Privacy Policy: https://privacy.vanlangapps.com
Terms of Use: https://tos.vanlangapps.com

Should you choose to upgrade to a Pro subscription, payment will be charged to your iTunes account at confirmation of purchase. Subscription automatically renews unless auto-renew is turned off at least 24-hours before the end of the current period. Account will be charged for renewal within 24-hours prior to the end of the current period.

You may cancel automatic renewal and manage your subscription by selecting Manage App Subscriptions in your iTunes Account settings and selecting the subscription you want to modify. Any unused portion of a free trial period, if offered, will be forfeited when you purchase a Pro subscription, where applicable.

Version History -improve UI/UX 2.1 Aug 19 -Bug fix 2.0 06/02/2015 1.0 12/17/2014