4 Degree Fresnel Lens
Light source:CREE CXA1520
Flux:~1830 lm
Table 1:Simulation results
Lens diameter |
Lens focal length |
Beam Angle (Full) |
Maximum Intensity |
7m Maximum luminance (theoretical) |
200mm | 128mm | 3.55° | 219905.58Cd | 4662.12Lux |
Simulation:
LED flux: 1830lumen
Screen: 7m distance(distance between 2 walls inside a room):