Details
Celestron’s highly acclaimed Ultima Series is more versatile than ever. The Ultima Series feature multi-coated optics to provide exceptional clarity and brilliance. The largest aperture scope in the Ultima line, the 100mm, provides the best performance in low light conditions.
Ultima Series spotters perform extremely well under all light conditions which makes them ideal for all types of outdoor viewing activities including bird watching, nature and wildlife, target shooting – even astronomy.
The Ultimas are as great to look at as they are to look through. Their sleek design is accented with graceful contours that make them easy to hold and handle.
The Ultima Series spotters are the perfect choice for the outdoor enthusiast looking for a spotter with quality design and construction, superior optics, and versatility at an affordable price.
Additional Information
| Optical Design | Refractor |
|---|---|
| Aperture (mm) | 100 mm (3.94 in) |
| Focal Length (mm) | 540 mm (21 in) |
| Focal Ratio | 5.4 |
| Magnification | 22-66 x |
| Highest Useful Magnification | 236 x |
| Lowest Useful Magnification | 14 x |
| Limiting Stellar Magnitude | 12.5 |
| Resolution (Rayleigh) | 1.39 arc seconds |
| Resolution (Dawes) | 1.16 arc seconds |
| Light Gathering Power | 204 x |
| Angular Field of View | 1.8° - 1° |
| Linear Field of View (@1000 yds) | 95ft @ 22x, 53ft @ 66x |
| Eye Relief | 18@20x |
| Near Focus | 33@22x |
| Optical Coatings | Multi-Coated |
| Optical Tube Length | 22 in (559 mm) |
| Weight (lbs) | 4.5 lbs (2.04 kg) |
| Weather Proof | Waterproof |
Related Products
Check items to add to the cart or select all
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)
