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The Celestron C90 Mak Spotting Scope is an excellent choice for both terrestrial and astronomical usage. This C90 Mak has excellent optics with razor sharp images over a wide field.The C90 Mak features an internal flip mirror design which allows the user to view celestial objects at a 90 degree angle and also corrects the image orientation to view land objects at a 45 degree angle. The full featured C90 MAK is also rubber covered and completely waterproof. This model features durable black rubber armour for protection, a flip up lens cap for safety, and it comes complete inside its own soft sided carrying case.Features Multi Coated Optics Maksutov Cassegrain Optical Design Compact and Portable Design Erect Image System for Terrestrial and Astronomical Use Built in T Adapter threads for Ease of Adapting SLR Cameras Comes with 32 mm Eyepiece, 45 deg Erect Image Diagonal and 8x21 Erect Image Finderscope Backpack Made of NylonSpecifications Optical Design Maksutov Aperture 90 mm Focal Length 1250 mm Focal Ratio 13.89 Finderscope 8times21 Angle 0 or 45 deg Eyepiece 1 32 mm Magnification 1 39times Angular Field Of View 1.3 deg Eye Relief 20 mm Near Focus Binoculars 4.57 m Tripod Adaptable Yes Camera Adaptable Optional T Adapter Optical Tube Length 406.4 mm Weight 2270g
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