equals
12
13
LED side length (mm):
14
0
4
15
Spot diameter at 1km (m):
16
equals
17
Beam divergence half angle (deg):
18
equals
19
20
Lens equations
21
Intensity calculations
33
Luminous flux calculations
38
Graphics
46
50
技術支援
技術支援
新增空白圖檔
範例