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C90 Mak 90/1250 39x
Code: 52268
Description
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Multi Coated Optics
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Maksutov-Cassegrain Optical Design
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Compact and Portable Design
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Erect Image System for Terrestrial and Astronomical Use
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Built-in T-Adapter threads for Ease of Adapting SLR Cameras
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Comes with 32 mm Eyepiece, 45° Erect Image Diagonal and 8x21 Erect Image Finderscope
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Backpack Made of Nylon
- Manufacturer: Celestron
- Weight: 1.500 Kgs
| 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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