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Model: 91027Brand: CelestronDesign: SCTSize: 9.25" (235mm)
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The Advanced C9.25 OTA with XLT Coatings
Celestron Schmidt-Cassegrain Optical Tube Assemblies (OTA) are available individually for use with your favorite mount. Each OTA is made to the same exacting standards as those used on all our high quality telescopes. All optical surfaces are coated with Celestron’s high efficiency StarBright® multi-layered coating group. These tube assemblies are equipped with the either Vixen (CG-5) or Losmandy (CGE) dovetail bars for a compatibility with a wide variety of mounts.
• 9.25" Schmidt-Cassegrain Optical Tube Assembly• Aluminum Optical Tube• Celestron's premium StarBright XLT coatings• 2350 mm focal length (f/11)• 25 mm eyepiece included (94x)• Visual back allows for use with 1.25" accessories• 6x30 finderscope to help accurately find objects• Star diagonal provides more comfortable viewing position when observing objects that are high in the sky
Optical Design : Schmidt-CassegrainAperture : 234.95 mm (9.25 in)Focal Length : 2350 mm (92.52 in)Focal Ratio : 10Finderscope : 6x30Optical Tube : AluminumEyepiece 1 : 25 mm (0.98 in)Magnification 1 : 94 xStar Diagonal : 1.25Optical Coatings : StarBright / XLTSecondary Mirror Obstruction : 3.35 in (85.09 mm)Secondary Mirror Obstruction by Area : 13.1 %Secondary Mirror Obstruction by Diameter : 36.2 %Optical Tube Length : 22 in (558.8 mm)Optical Tube Weight : 20 lb (9.07 kg
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