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#FEF4A4 SP650 Near-IR/Mid-Red Dichroic Block Shortpass Filter

Useful Range : 400-640nm
Cut-off Wavelength 50% T : 650nm
Tolerance : +/- 10nm
Peak Transmission : ≥90%
Surface Quality : 40/20

SP650 Transmission Data (Typical)

wavelength (nm)	transmission (%)

wavelength (nm)	transmission (%)

Filter Mount & Size Options

Threaded Mount

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Unmounted & Custom Size

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The performance of a filter is based on what happens to light passing through the filter. The apparent color of light reflected off the surface is not a reliable way to judge the filter's capabilities. Batch-to-batch difference in the apparent color of the coatings or filter substrates can often be easily seen when looking at two examples of the same filter type. The color of the coating does not indicate a disparity in performance. Filters 62mm and greater have a surface quality tolerance of 60/40.

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