ZWO 36mm Ha SII OIII 7nm Unmounted Filter Set - NB7NMD36 IR Filters Note: not compatible with DS-2000

Note: not compatible with DS-2000 series telescopes

spotting scopes

Built-in Voltage Meter

The Celestron AstroMaster 90AZ is a high quality

25” insert barrel is threaded to accept filters

ZWO 36mm Ha SII OIII 7nm Unmounted Filter Set - NB7NMD36 IR Filters Note: not compatible with DS-200036mm 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