High quality UV Metal coated Neutral Density (ND) Filter Φ25mm OD=0.4
Product No. 248514
Stock In Stock
Express DHL, Fedex etc.
- Dia Φ25mm
- OD 0.4
- Design Wavelength 300nm
- Material UV-Fused-Silica
- Transmitted Wavefront error λ/4 @ 633 nm
- Parallelism <30arcsec
- Surface Quality 20/10-40/20
- Diameter Tolerance +0.0/-0.1mm
- Thickness 2mm ±0.2mm
- Applied Wavelength Range 200~1200nm
- T 40%
- Optical Density Tolerance ±5% @300nm
- CA >90%
- Optical Density(OD) OD= -log(T/100)