Type
Circular Continuous ND Filters
Thickness Tolerance (mm)
±0.25
Damage Threshold (pulsed)
7.5 J/cm2 (10ns/10Hz)
Spectral Range (nm)
250-2500
Metallic Coating Area Angle (degree)
0° - 270°
Hole Diameter Tolerance (mm)
+0.25/-0
Optical Density Range
0.04-4.0
Outside Diameter Tolerance (mm)
+0/-0.25