Celestron Origin Nebula Filter - 93669 Tele Vue Eyeguard Extender Venus doing her phases

Venus doing her phases

The one piece body construction also assures heavy TeleVue Telescope Eyepiece and TeleVue Telescope Accessories can't force the diagonal body to unscrew from the barrel as with other brands

without any input or output fittings

The holder is precisely machined to fit your eyepieces with a minimum of slop

75 thread tapped on the focuser also prepare the telescope for most stock imaging devices and makes sure the celestial subject you have in the objective astrograph's field of view can be perfectly projected onto the focal plane of your camera

Celestron Origin Nebula Filter - 93669 Tele Vue Eyeguard Extender Venus doing her phasesNebula 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