About this product
Part Number: ZWO-LRGB2
These new ZWO 2" LRGB filters with multi-layers anti-reflection optical coatings provide good performance in transmission and colour separation.
Includes Red, Green and Blue filters and a UV/IR-Cut 'L' filter.
The RGB combination weights will be approximately 1:1:1.
- Fine-optically polished glass with with 1/4 wavefront surface accuracy
- 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 1.9+/-0.03 mm
Cell Thickness: 5mm + 2.5mm M48*0.75 Thread
Glass Thickness: 1.85mm
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