VIS Metal coated Neutral Density Filter Φ25mm OD=1.3
Product No. 248552
Stock In Stock
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- Dia Φ25mm
- OD 1.3
- Design Wavelength 550nm
- Material Optical Grade Float Glass (B270)
- Transmitted Wavefront error λ/4 @ 633 nm
- Parallelism <30arcsec
- Surface Quality 40/20-60/40
- Diameter Tolerance +0.0/-0.2mm
- Thickness 2mm ±0.2mm
- Applied Wavelength Range 400~1100nm
- T 5%
- Optical Density Tolerance ±5% @550nm
- CA >90%
- Optical Density(OD) OD= -log(T/100)