
ZWO LRGB 31mm Unmounted Filters (ZWO-LRGB31)
by ZWO
SKU ZWO-LRGB31
Original price
$219.95
-
Original price
$219.95
Original price
$219.95
$219.95
-
$219.95
Current price
$219.95
The new ZWO 2″ LRGB Filters has good performance in transmission, also it has good coating, good colour separation.
Description Overview
- Name: ZWO 31mm LRGB filter (4 filters)
- 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 2 mm
- Size: D=31mm