Celestron EdgeHD 9.25 Ota 20108 Installed between the tripod and

Installed between the tripod and the mount head

which allows users to move the mount manually without losing alignment

The Baader H-Alpha filter shares the same outstanding features as all the other Baader imaging filters

it's well worth the money

Designed to retro-fit to the Explorer-150/200/250/300P Newtonian Reflectors originally supplied with a 2"  single speed focuser

Celestron EdgeHD 9.25 Ota 20108 Installed between the tripod andSEE THE UNIVERSE IN HD! Introducing Celestron's New Aplanatic Schmidt Telescope Design! Visibly Sharper Images Superior Performance Enhanced Mechanical Features Fastar Compatible EdgeHD is an aplanatic Schmidt telescope designed to produce aberration free images across a wide visual and photographic field of view. The optical system was designed to reduce more than just off axis star coma, but also to give an astrograph quality flat focal plane all