Dalsa Piranha4 Series Manual page 12

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Filters
CMOS cameras are responsive to infrared (IR) wavelengths of light. Infrared light can be problematic
with halogen light sources but is not an issue with white LED sources. When infrared light is present with
this camera color fidelity is reduced. To prevent infrared from distorting the images you scan, use an IR
cut off filter such as a BG-38 on the lens.
03-032-20180-06
P4 2K Quad Linear Color Spectral Responsivity
550 650
Wavelength (nm)
Figure 2: 2k Quadlinear Spectral Responsivity
P4 4k Trilinear Color Spectral Responsivity
No White Balance, 12 bit, gain 1x
500 550 600
Wavelength (nm)
Figure 3: 4k Trilinear Spectral Responsivity
Piranha4 2K and 4K Camera Color User's Manual
No White Balance, 12 bit, gain 1x
750 850
650 700 750
Red
Green
Blue
Mono
950
800 850 900