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The LRGB set includes four filters 31,8mm diameter, they can be mounted on an eyepece, in a filter wheel or in other 31,8mm accessories.
- Schott substrate material
- Thickness 1.1mm
- Fine-optically polished to ensure accurate 1/4 wavefront
- more than 90% transmission at passband
- Infrared wavelength 700-1100nm cut-off
- Precision off-band blocking
- Multi-layers anti-reflection coating