ZWO 36mm Ha SII OIII 7nm Unmounted Filter Set - NB7NMD36 Astrophotography Reflectors It has a reduced 55

It has a reduced 55 mm diameter to become useful in bino-mode providing a low as 55 mm interpupillary distance

this telescope packs features often reserved for its pricier counterparts

which means it is now one of the most powerful and accurate GO-TO mounts available

It will accept most common (Celestron

ZWO 36mm Ha SII OIII 7nm Unmounted Filter Set - NB7NMD36 Astrophotography Reflectors It has a reduced 5536mm SHO 7nm Filter Set This filter set includes the ZWO 7nm Ha, SII & OIII filters that are compatible with 36mm filter wheels. Here's more information on each of the filters, all of which come in their own plastic storage case. H Alpha The ZWO H Alpha filter has a bandpass of 7nm and passes light at 656nm wavelength, light transmission rate comes up to 80%. Best choice of narrowband H alpha astrophotography filter for high contrast imaging and