NED
RMSL8K76CP/RMSL6K76CP/RMSL4K76CP UME-0094-02
20
2.3 Optical Interface
For RMSL8K76CP, M72×0.75 screw mount is used.
For RMSL6K76CP, RMSL4K76CP, Nikon F mount is used.
The amount and wavelengths of light required to capture useful images depend on
the intended use. Factors include the property, speed, the objects spectral
characteristics, exposure time, the light source characteristics, the specifications of
the acquisition system and so on.
The exposure amount (exposure time x light amount) is the most important factor in
getting desirable images. Please determine the exposure amount after studying what
is most important to your system.
Keep these guidelines in mind when setting up your light source:
⚫
LED light sources are relatively inexpensive, provide a uniform field and longer
life span compared to other light sources. However, they also require a camera
with excellent sensitivity.
⚫
Halogen light sources generally provide very little blue light but have high
infrared light (IR) proportions.
⚫
Fiber-optic light distribution systems generally transmit very little blue light
relative to IR.
⚫
Metal halide light sources are very bright but have a shorter life span compared
to other light sources.
Generally speaking, the brighter the light sources, the shorter the life span.
CMOS image sensors are sensitive to infrared (IR). We recommend using daylight
colour fluorescent lamps that have low IR emissions. If you use a halogen light
source, to prevent infrared from distorting the images use an IR cutoff filter that does
not transmit wavelengths.
