Neutral gray filter, light reduction filter, neutral gray density mirror, neutral dark glass
Diameter: 50mm;
Thickness: about 2mm(If you need the thickness value, please consult customer service.)
Used for wave band: 400-700nm,
Infrared band is not this transmittance, not applicable.
The spectrum is as follows:
![](https://img.alicdn.com/imgextra/i4/1707704876/TB2_125cM1J.eBjy0FpXXaMoXXa_!!1707704876.png)
![](https://img.alicdn.com/imgextra/i2/1707704876/TB2HAvRcNmJ.eBjy0FhXXbBdFXa_!!1707704876.png)