- 10-Inch (250 mm) aperture, f/8 Ritchey Chretien optical tube optimized for astrophotographic use with APS-C and full-frame (35 mm) CCD cameras and DSLRs
- Features a big 3.3-Inch rotatable dual-speed (10:1) Crayford 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
- Orion 10″ f/8 Ritchey-Chrtien Astrograph Telescope with 3.3″ dual-speed linear-bearing Crayford focuser
- Extension tube, 2″ length (x1)
- Extension tube, 1″ length (x2)
- Battery holder for eight AA batteries (batteries not included)
- Starry Night SE astronomy software digital download insert
Cost: $25
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Delivery Time:
It usually takes [3-5] business days for standard shipping. Please note that this is an estimated time frame and may be affected by local holidays, and unforeseen circumstances.
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