Features Optical design: Cassegrain Optical diameter: 250mm Focal length: 3000mm Focal ratio: F/12 Optics type: Hyperbolic & Parabolic mirror Optics Material: Low thermal expansion quartz mirrors Focuser: 3" dual-speed Linear Bearing Crayford EAF complete Mirror Separation: 540mm Back Working Distance: 300mm Astro-imaging capability: Lunar & planetary Dovetail plate: D type Tube material: Aluminum & Carbon fiber Baffle: new Multiple knife-edge baffle system
Package includes (CC10A) 10" Classic Cassegrain OTA only Three built-in cooling fans, with battery holder 1.25" Eyepieces adapter 2x25mm, 1x 50mm focus extension tube
