Lumen Calculator vs Webcams Pro - watch your Cams Uso e estatísticas
The Lumen Calculator is a physics/math calculator designed to swiftly and easily convert between lumens, lux, and candelas.
Features:
- Instant calculation
- Results are copyable to other apps
- Formulas included as references
- Supports up to 16 decimal places
- Supports various units for each input
Definitions:
- Lumens: Unit of luminous flux, representing the total amount of light emitted by a source.
- Lux: Measure of surface illumination, indicating how much light is received by a surface.
- Candelas: SI units of luminous intensity, representing light emitted from a source in a particular direction per steradian.
Note:
Candelas measure the light emitted in a specific direction, while lux measures the light received per unit area. One steradian, the area of the receiving surface, is equal to the squared distance between the source and the receiver.
Formulas:
1. Lumens = Candelas * Ω
(For a specific angle)
2. Lumens = Candelas * 2π * [1 - cos(θ/2)]
3. Lux = Lumens / Area
4. Lux = Candela / Distance²
Where:
Ω = 2π * [1 - cos(θ/2)]
Ω = 4π
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"Webcams Pro" displays up to 18 webcams at the same time. Tap one of them and a larger version will be displayed. Tap and hold a webcam to save or share the current image. You can add, edit or delete webcams as you like.
This is not a "webcam-catalog". Create your own webcams by adding the url.
Optimized for iPad, iPhone 4, iPhone 5, iPhone 6 and iPhone 6 Plus Displays.
This version supports both "static" webcams (that provide still pictures) and mjpg streams.
Not sure if this is what you are looking for? Try the lite version: http://itunes.apple.com/app/id308342897
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24ezembro d, 2024