Details
Features
General Features
- 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
Additional Information
| 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 | 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 |
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Knowledge Base
- My Celestron Ultima and Regal spotting scopes have threads in front of the objectives. What sizes of photo filters do they use?
- What is a waterproof spotting scope?
- I have an old Celestron spotting scope and have lost the cover for the lens. The scope is 100mm and about 10 years old. How do I get a replacement cap?
- What is seeing? Does it affect terrestrial viewing? How does it affect my target spotting, bird watching and surveillance?
- My Ultima spotting scope zoom eyepiece isn't threading on the scope. What's wrong?
Downloads
Manuals
Ultima Series Manual (English, German, French, Spanish & Italian) (257.25 KB | PDF)
