Sanming Foreign Trade Development Co., Ltd. Fujian [China]

Detailed Product Description

Metallic Coated Neutral density filter (ND filter)

Material: BK7 glass and Fused Silica
Flatness: 2l per 25 mm
Surface Quality: 80/50
Parallelism: 3'
Dimension Tolerance: +/-0.2mm
Coating: Vacuum-deposited metallic alloy
Optical density Tolerance: +/-5%