Light Meter X - Lux Exposure

10+
Downloads
Content rating
Everyone
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About this app

Light Meter X (无相测光表, 無相測光表) is a professional light meter and exposure meter designed for photographers, filmmakers, and film photography enthusiasts.

Using your phone’s camera sensor, Light Meter X measures ambient light and calculates accurate ISO, aperture, and shutter speed settings to help you achieve perfect exposure.

The app features a clean and minimal interface, allowing photographers to focus on light and composition without distractions.

Light Meter X also supports exposure compensation, allowing you to fine-tune exposure values for different lighting conditions or creative styles.

Key Features:

• Accurate light metering using your phone camera.
• Spot metering function with draggable metering circle.
• Real-time exposure calculation.
• Support for A/AV (aperture priority) and S/TV (shutter priority) modes.
• Adjustable ISO, aperture, and shutter speed.
• Exposure compensation for precise control.
• EV (Exposure Value) display.
• Fast and responsive metering.
• Minimal and distraction-free design.

How to Use:

• Open the app and the camera preview will start automatically.
• Global metering mode is used by default.
• Tap and drag the metering circle on the screen to the desired metering position.
• Observe the calculated results and adjust ISO, aperture, or shutter speed as needed.
• Use the exposure calibration buttons to fine-tune the exposure value.

Perfect for:

• Film photography
• Analog cameras
• Street photography
• Cinematography
• Photography students

Light Meter X is a simple, reliable, and professional light meter for photographers who want accurate exposure anywhere.
Updated on
Apr 1, 2026

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
No data shared with third parties
Learn more about how developers declare sharing
No data collected
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Committed to follow the Play Families Policy

What’s new

- Improved exposure compensation UI design;
- Improved histogram UI design.

App support

About the developer
白天宝
itoolstudio@icloud.com
大兴朝鲜族乡大兴村4组24 于洪区, 沈阳市, 辽宁省 China 110000