Products -> Filter -> Neutral Density Filter
Neutral Density Filter
Specifications
Material
Absorptive Glass
Dimension Tolerance
+0.0/-0.2mm
Thickness Tolerance
±0.2mm
Flatness
2λ@632.8nm
Surface Quality
80/50 scratch and dig
Parallelism
<5 arc minutes
Clear Aperture
>90%
OD Tolerance
±10%
Optical Density: OD
Transmission: T
OD=Log(1/T)
S
tandard Products Series
Part No.
Dimension(mm)
Standard OD
NDT9125
ø
25.0
0.1, 0.2, 0.3, 0.4, 0.5, 0.8, 1.0, 2.0, 3.0
NDT9150
50.0x50.0
Ordering Information
NDT9125-0.5: Part No.-OD