Celestron Ultima 65 - 45 Degree Refractor Spotting Scope # 52248
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Product Details
- 65 mm Refractor Spotting Scope
- Multi-Coated optics
- 45° viewing angle
- 18-55x zoom eyepiece
- Sight tube for quick targeting
- Waterproof
- Soft carrying case
- Limited Lifetime Warranty (within US/Canada only)
Other Information
- Country of Manufacture: China
Optical Design | Refractor |
---|---|
Aperture (mm) | 65 mm (2.56 in) |
Focal Length (mm) | 386 mm (15 in) |
Focal Ratio | 5.94 |
Angle | 45 ° |
Eyepiece 1 | 7-21 Zoom |
Magnification 1 | 18-55x |
Finderscope | Sighting tube |
Carrying Case | Soft Case |
Highest Useful Magnification | 154 x |
Lowest Useful Magnification | 9.29 x |
Limiting Stellar Magnitude | 11.6 |
Resolution (Rayleigh) | 2.14 arc seconds |
Resolution (Dawes) | 1.78 arc seconds |
Light Gathering Power (Compared to human eye) | 86 x |
Angular Field of View | 1.7° - .73° |
Linear Field of View (@1000 yds) | 89ft @ 18x 38ft @ 55x |
Eye Relief | 18 mm @ 18x |
Near Focus | 20ft @ 18x |
Optical Coatings | Multi-Coated |
Optical Tube Length | 13 in (330 mm) |
Weight (oz) | 37 oz (1049 g) |
Camera Adaptable | 35mm Camera T-Adapter supplied |
Tripod Adaptable | Yes |