10 inch (250mm) aperture, f/8 Ritchey-Chretien optical tube optimized for astrophotography use with APS-C and full-frame (35mm) CCD cameras and DSLRs
Features a big 3.3 inch rotatable dual-speed (10:1) Cray ford focuser equipped with a sturdy linear-bearing to provide fine focus adjustment without slippage or flexure with heavy imaging accessories attached
Hyperbolic primary and secondary mirrors made of low-expansion quartz glass with enhanced aluminum coatings boast 96% reflectivity for bright imaging performance, and the secondary mirror is precisely center-marked to aid in collimation
Features two dovetail finder scope bases and a unique, Orion-exclusive slotted wide-format dovetail bar along the top of the telescope for easy attachment of imaging accessories
Three built-in 1.5 inch cooling fans accelerate cooling of the primary mirror to reach thermal equilibrium quickly

Technical Details

Product Details

Product Dimensions

Package Dimensions
Width : 17.5 inch
Height : 16.7 inch
Length : 38.5 inch

Item Weight: 35.3 pounds (View shipping rates and policies)
Shipping Weight: 47.15 pounds (View shipping rates and policies)

ASIN : B0105U4SKW