Variable Neutral Density Filters

Main Specifications:

Design Wavelength	400~700nm Standard, 380~2000nm (B270), 250~2500nm (Fused Silica)
Outside Diameter	25, 30, 40, 45, 50, 60, 100mm
Inside Diameter	7.5, 8, 8.3mm
Thickness	1.5+/-0.25mm, 2+/-0.25mm
Standard Linearlity	+/-5%
Coated Area	0~270 deg. standard, 0~300deg. available
Optical Density	0.04~1.0, 0.04~1.5, 0.04~2.0, 0.04~3.0, 0.04~4.0

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