Absorptive Neutral Density (ND) Filter 50x50mm OD=0.4
Product No. 248612
Stock In Stock
Express DHL, Fedex etc.
- Dia 50x50mm
- OD 0.4
- Design Wavelength -
- Material Neutral-grey-glass
- Transmitted Wavefront error λ/4 @ 633 nm
- Parallelism <1arcmin
- Surface Quality 60-40
- Diameter Tolerance +0.0/-0.2mm
- Thickness 1.36±0.5mm
- Applied Wavelength Range 400~700nm
- T 40%
- Optical Density Tolerance ±5% @633nm
- CA >90%
- Optical Density(OD) OD= -log(T/100)