The ZWO narrowband S-II 7nm filter passes light at 672nm wavelength with a bandpass of 7nm which is designed for nebula observation.
Brand: ZWO 
Accessories, Camera Accessories, Filters
Accessories, Camera Accessories, FiltersNew 2-in Narrowband Filter SII 7nm
ر.ع.101.400
The ZWO narrowband S-II 7nm filter passes light at 672nm wavelength with a bandpass of 7nm which is designed for nebula observation.
Out of stock
| Weight | 0.15 kg |
|---|---|
| Dimensions | 7.5 × 7.5 × 2 cm |
1 review for New 2-in Narrowband Filter SII 7nm
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- FWHM：7±0.5nm
- Fine-optically polished to ensure accurate 1/4 wavefront over the both surfaces
- About 90% transmission at SII line 672nm
- Infrared wavelength 700-1100nm cut-off
- <0.1% transmission of off-band, OD3(Optical Density)
Ashraf Alsaleh (verified owner) –