HUYGENS OPTICS
CS-2/3 camera strobe manual V01
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Appendix C: CS-2 spot sizes and intensities
Spot sizes are defined as the size of the area where the illuminance is at least ½ of the maximum
spot illuminance and is derived from the intensity plots of Appendix B.
200mm illumination distance
Lens type
Spot size (mm)
Max intensity (LUX @50Hz,50us)
Tight
135
3000
Medium
155
2900
Wide
165
2400
Ultra-wide
264
550
400mm illumination distance
Lens type
Spot size (mm)
Max intensity (LUX @50Hz,50us)
Tight
180
2000
Medium
200
1420
Wide
210
1120
Ultra-wide
>420
175
600mm illumination distance
Lens Type
Spot size (mm)
Max intensity (LUX @50Hz,50us)
Tight
215
1150
Medium
270
780
Wide
290
627
Ultra-wide
>420
100