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2" SII Filter 7nm Narrow-Band for CCDs

In Stock Unavailable
SKU: W9122B

Regular price $149.99


1.     Filter substrate is fine-optically polished to 1/4 wave and <30 parallelism over both surfaces

2.     Surface quality, according to MIL-O-13830, is 60/40

3.     80% transmission at SII line 672nm

4.     Infrared wavelength 700-1100nm cut-off

5.     0.1% transmission Hg at 435nm and 578nm

6.     0.1% transmission Na at 589nm

7.     Thin metal cells have a clear aperture of 45mm for 2inch filters

8.     Each filter comes with a plastic case with high pressure EVA case lining

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