Transmissive neutral density filters with anti-reflection coatings attenuate light evenly across a band without changing its spectrum. The coating reduces back-reflections, which matters when attenuating lasers in front of cameras or detectors.
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Key specifications
- Optical density from OD 0.1 to OD 3
- AR coatings for VIS (425–675 nm) and NIR ranges
- Ø12.5, 25 and 50 mm
How to choose
Transmission is 10^−OD: OD 1 passes 10 %, OD 2 passes 1 %, OD 3 passes 0.1 %. Stack filters to add their ODs.
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