Celestron ULTIMA 20X50MM PORRO BINOCULAR
AED680.90
- Porro prism binoculars
- Large 50mm objective lensesare ideal for viewing in low light conditions
- High powered 20x magnification for up-close views of distant subjects
- BaK-4 prisms and fully multi-coated optics deliver maximum light transmission through the optical path
- Ergonomic body with synthetic rubber armor and a non-slip grip
- Tripod adaptable for extended viewing sessions
- Eyeglass friendly with generous eye relief and comfortable rubber eyecups
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These classically styled binoculars use their Porro prism optical design to provide optimal image clarity and depth of field. Their widely spaced objective lenses enable enhanced triangulation between binocular and subject, presenting the observer with a rich, three-dimensional image that only traditional Porro prism binoculars can offer.
Coatings and Prisms
Ultima binoculars feature fully multi-coated optics. A binocular can be considered “fully multi-coated” when all glass surfaces are coated with multiple layers of anti-reflectivity coatings so that the maximum amount of light passes through the glass to the eye. The prisms inside Ultima binoculars are made of high quality BaK-4 glass so that more light is reflected off their internal faces and passes through to the eye. Taken together, the fully multi-coated lenses and BaK-4 prisms maximize light transmission for the remarkably bright, highly detailed images.
The Body
A durable, synthetic rubber-armored, aluminum housing protects your Ultima binoculars from damage without weighing you down. Viewing through Ultima binoculars is comfortable for both eyeglass wearers and non-eyeglass wearers, thanks to the synthetic fold-down rubber eyecups. What’s more, the binocular is fully waterproof and filled with dry nitrogen gas to prevent internal fogging of lenses. Ultima binoculars can stand up to even the toughest outdoor conditions.
Powerful Magnification
The Ultima 20×50 binoculars feature an ultra-powerful 20x magnification with a sizable 50mm objective lens. It’s a great choice for observing whale watching from the shore, searching for wildlife in an open field, viewing distant objects on the horizon, and getting close to the action at a sports game.
Ways to Observe
Keep your Ultima binocular at the ready with the comfortable included neck strap. It’s also tripod-adaptable, so you can mount it on any standard photographic tripod for extended viewing or digiscoping (photography through the eyepiece). The tripod adapter is sold separately. The binocular also includes a protective padded case for storage and transport.
Accessories Included
Ultima includes an adjustable neck strap that you can customize to be most comfortable for you. The binocular also includes a protective soft case, and eyepiece and objective covers for storage and transport, so you can take it anywhere with confidence.
| Magnification: | 20x |
| Objective Lens Diameter: | 50mm (1.97″) |
| Angular Field of View: | 3.1° |
| Linear Field of View (@1000 yds) / @1000 m): | 162 ft (54 m) |
| Exit Pupil: | 2.5mm (0.1″) |
| Eye Relief: | 14.5mm (0.57″) |
| Close Focus: | 22.9ft (7m) |
| Interpupillary Distance (max): | 74mm (2.91″) |
| Interpupillary Distance (min): | 50mm (1.97″) |
| Diopter Adjustment Range: | ±6 |
| Twilight Factor: | 31.62 |
| Relative Brightness: | 18 |
| Lens Coatings: | Fully Multi-Coated |
| Prism Glass (Type): | BaK-4 |
| Prism Coatings: | N/A |
| Weight: | 26.8 oz (760 g) |
| Environmental Protection: | Waterproof |
| Nitrogen Filled: | Yes |
| Tripod Adaptable: | Yes |
| Carrying Case: | Black woven fabric case with hook-and-loop closure flap |
| Dimensions: | 170mm x 185mm x 60mm (6.7″ x 7.3″ x 2.4″) |
| Included Items: | Case Neck strap Eyepiece covers Tethered objective covers |
| Solar Warning |
| Weight | 2 kg |
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