lumen/square foot/steradian to apostilb
Please provide values below to convert lumen/square foot/steradian to apostilb, or change ↔.
lumen/square foot/steradian
Definition: A unit of luminance, describing luminous flux per unit area (square foot) and solid angle (steradian).
Historyandorigin: Similar to other lumen-based units but using square feet as the area measurement, common in non-metric systems.
CurrentUse: Frequently used in the United States for describing the brightness of projectors, displays, or light sources in various lighting applications.
funfact: This unit is often seen in film and television lighting setups, where high-intensity focused light is required.
apostilb
Definition: An older unit of luminance, equivalent to one candela per square meter.
Historyandorigin: The apostilb is an archaic unit used primarily in older lighting systems, and is largely obsolete today.
CurrentUse: Very rarely used today, except in specific historical contexts or when dealing with older lighting equipment.
funfact: This unit has been replaced by more standardized units such as the stilb or nit in modern applications.
lumen/square foot/steradian to apostilb Conversion Table
| 1 lumen/square foot/steradian | 33.815821889 apostilb |
| 2 lumen/square foot/steradian | 67.631643778 apostilb |
| 3 lumen/square foot/steradian | 101.44746567 apostilb |
| 5 lumen/square foot/steradian | 169.07910945 apostilb |
| 10 lumen/square foot/steradian | 338.15821889 apostilb |
| 50 lumen/square foot/steradian | 1690.7910945 apostilb |
| 100 lumen/square foot/steradian | 3381.5821889 apostilb |
| 1000 lumen/square foot/steradian | 33815.821889 apostilb |
| 10000 lumen/square foot/steradian | 338158.21889 apostilb |
| 100000 lumen/square foot/steradian | 3381582.1889 apostilb |
| 1000000 lumen/square foot/steradian | 33815821.889 apostilb |
How to Convert lumen/square foot/steradian to apostilb
1 lumen/square foot/steradian = 33.815821889 apostilb
1 apostilb = 0.0295719561 lumen/square foot/steradian
we use cross multiplication method
lumen/square foot/steradian → apostilb
1 → 33.815821889
1.5 → ?( suppose x)
=>1.5*33.815821889=1*x
by simplifying
x=50.723732834