Product Description
The ZWO LRGB 36mm filter has better transmission, better coating, better color separation
the RGB color combine weights will be approximately 1:1:1
- Fine-optically polished to ensure accurate 1/4 wavefront
- more than 92% transmission at passband
- Infrared wavelength 700-1100nm cut-off
- Precision off-band blocking
- Multi-layers anti-reflection coating
- Small spectral “gap” to minimize effect of light pollution
- More parfocal – thickness 2mm
Technical Parameter:
Name: ZWO LRGB 36mm filter(4 filters)
Size: 36mm
Thickness: 2mm
here are the detailed photo
How to judge the positive and negative?
It is a little bit hard to judge the LRGB filters. Please watch the picture below carefully.
Transmission Curve
