Secification :
- Schott substrate material
- Thickness 2.0mm
- Surface Quality: 60/40 (Refer to MIL-O-13830)
- Fine-optically polished to ensure accurate 1/4 wavefront and <30 seconds parallelism over the both surfaces
- 95% transmission at bandpass
- Infrared wavelength 700 to 1100nm cut-off
- Precision off-band blocking
- Photo Filter Thread Size 1.25 inches
- Photo Filter Effect Type Neutral Density
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