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简单高效
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In-App Purchases
About
This photography calculator helps plan shots for landscape, long exposure, and night sky photography. It calculates shutter speed with ND filters, depth of field, and night sky exposure limits. All data is stored locally on your device.
✓ND filter long exposure calculation
✓Equivalent exposure adjustments
✓Depth of field and hyperfocal distance
✓Night sky shutter speed limits
✓Angle of view and focal length comparison
✓Local data storage
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What's New in Light Ruler
1.1.0
June 30, 2026
- Enhanced parameter input experience - Improved calculator navigation for a more focused and clearer experience
1
In-App Purchases
$3.99
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FAQ
Does Light Ruler have ads?
Light Ruler does not contain advertisements. It is a free app with optional in-app purchases.
What devices does Light Ruler support?
Light Ruler is designed for iPhone and is compatible with devices running iOS. It is not available on Android or other platforms.
How often is Light Ruler updated?
The app was last updated on June 30, 2026, with version 1.1.0. This indicates a recent update, suggesting ongoing support and development.
Is Light Ruler safe for children?
Light Ruler has an age rating of 4+, making it suitable for users of all ages. Its functionality is focused on photography calculations.
Does Light Ruler require an internet connection?
No, Light Ruler is a local-first application. It does not require an account, connect to a backend, or actively make network requests, ensuring offline functionality.
What kind of photography is Light Ruler best for?
Light Ruler is particularly useful for landscape, long exposure, and night sky photography. It assists with planning shutter speeds, depth of field, and exposure settings.
Can I save my calculations in Light Ruler?
Yes, saved calculations, along with camera and lens profiles, are stored locally on your device. This allows you to access your planning data anytime.
