Reflective Stepping Variable ND Filter / SND-12

For adjusting the transmitting light at equal intervals of optical density. Fit for densitometer and colorimeter calibration use.

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Part Number
SND-12
S$568.18
◦Possible to visually select and use 11 steps of optical density on one single plate.
◦The chrome thin coating applied is design to adjust the laser spot power.
◦The optical density is shows only minimal change across the visible wavelength range.
More Information
Catalog Code W3102
RoHS Yes
CE No
Download Product's Datasheet
Guide ▶Please refer to here for Wavelength Characteristic Data (Reference Data, EXCEL file format).
Attention ▶The uniformity of the transmitted light is limited to 4.6mm × 2.5mm beam size, please use for 3mm diameter beam size or below.
▶The transmittance changes with a logarithm for quantity of movement. It is not a proportional movement.
▶Can not be used with high energy pulsed laser.
Specifications
MaterialSoda Lime Glass
Surface flatnessBoth side: glossy surface (no polishing)
CoatingCr (Chrome)
Wavelength Range400~700nm
Transmittance10 - 91.2% (Divided by 11 step)
Surface Quality (Scratch-Dig)80−50