Celestron C90 Maksutov Cassegrain Spotting Scope

Celestron C90 Maksutov Cassegrain Spotting Scope

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Item # : 52268

30 Day Return Policy

1. Maksutov-Cassegrain Optical Design.
2. Compact and Portable Design.
3. Erect Image System for Terrestrial and Astronomical Use.
4. Built-in T-Adapter threads for Ease of Adapting SLR Cameras.
5. Comes with 32 mm Eyepiece, 45° Erect Image Diagonal and 8x21 Erect Image Finderscope.
6. Backpack Made of Nylon.
7. Limited Lifetime Warranty.
      The Maksutov optical design is recognized for being a portable design that is easy to use and has a variety of applications, making it an excellent choice for both terrestrial and astronomical usage. This C90 Mak has excellent optics with razor sharp images over a wide field.

Celestron C90 Maksutov Cassegrain Spotting Scope

Magnification 39x (with included eyepiece)
Objective Lens Diameter 90mm (3.54")
Eyepieces 32mm Plossl (1.26")
Angular Field of View 1.3° with included eyepiece
Linear Field of View (@1000 yds) / @1000 m) 68 ft (20.7 m) with included eyepiece
Focal Length 1250mm (49")
Exit Pupil 2.3mm (0.1") with included eyepiece
Eye Relief 20mm (.78") with included eyepiece
Close Focus 15 ft (4.6 m) with included eyepiece
Twilight Factor 59.2 with included eyepiece
Relative Brightness 5.3 with included eyepiece
Lens Coatings Multi-Coated
Prism Glass (Type) BaK4
Prism Coatings N/A
Weight 74 oz (2,100 g)
Environmental Protection Water Resistant
Nitrogen Filled No
Tripod Adaptable Yes
Carrying Case Black heavy woven nylon backpack
Camera Adaptable Yes
Dimensions 400mm x 260mm x260mm (15.7" x 10.2" x 10.2") with include eyepiece
Included Accessories Plossl 32mm eyepiece | 45° diagonal | 8x21 finderscope | Objective Lens Cover | Eyepiece Lens cap | Backpack Case


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