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UV Neutral Density Filter 2.50


Price: $45.00
Item Number: UVND250/25R

Transmission= Optical density 2.50  (0.3162%T) @ 500nm
Density Tolerance:  +/- 5%  200-1000 nm
Size=25.0 mm dia. x 2.5 mm thick
Ring mount:  Black anodized aluminum, 21 mm clear aperture
Coating type= Front surface exposed, inconel (Fe Cr Ni alloy)
Substrate:  UV grade fused silica, < 3 arcmin parallelism, 60-40 scratch-dig
Wavelength Range: 220-1200 nm