Celestron Origin Nebula Filter - 93669 Tele Vue Eyeguard Extender without any input or output

without any input or output fittings

there is no need to add a field flattener to this system

iOptron CEM40 Center-Balance Go-To Equatorial Mount

this camera features lower readout noise

Celestron Origin Nebula Filter - 93669 Tele Vue Eyeguard Extender without any input or outputNebula Filter & Holder for Origin Telescopes! Take advantage of the innovative filter holder built into the design of the Celestron Origin Nebula Filter and experience better contrast when viewing emission nebula like the Orion Nebula, the Lagoon Nebula and dozens more, especially in areas with light pollution! This specialized filter blocks 0. 5% of wavelengths that cause light pollution while allowing H Alpha (656nm), H Beta (486nm) and Oxygen III