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Description
Celestron Ultima Overview
- 1Description
- 2Optical Performance
- 3Use and Handling
- 4Construction Details
Sporting a moderate magnification and larger objectives, the Celestron 8x42 Ultima Porro Binoculars are a general-purpose optic for mid- to long-range use, even in challenging lighting conditions.
The large lenses draw in a generous amount of light and, combined with 8x power, translate to a wide exit pupil that will completely cover most pupils in low-light conditions, such as those at dawn or dusk, and when peering into heavy brush or canopies. Complementing these performance features are anti-reflection fully coated optics, a wide field of view, and a traditional Porro prism optical path that all work together to produce an immersive and comfortable observational experience that is defined by bright, clear high-contrast views with accurate color rendition and a rich depth of field.
For long-duration glassing sessions, to reduce arm fatigue, or to eliminate vibrations, the Ultima can be tripod mounted using an optional adapter. The optical tubes are nitrogen filled and O-ring sealed to be waterproof and resistant to internal fogging, and it chassis is made of a lightweight and durable aluminum alloy and wrapped in a protective slip-resistant synthetic rubber armor. Fold-down rubber eyecups mold themselves to your eye sockets to block stray peripheral light for brighter views without intrusive side glare, and the binoculars' center-focusing wheel is also slip resistant to make precision focusing fast and easy.
Optical Performance
- Moderate 8x power magnifies the view while ensuring a wide field of view and exit pupil
- 42mm objective lens diameter provides competent low-light performance without adding excessive bulk and weight for easier handling
- Traditional Porro prism optical path presents a rich depth of field to produce lifelike views
- BAK4 prism glass delivers a round exit pupil and a crisp and clear image with limited edge distortion
- Anti-reflection fully coated optics improve light transmission, color rendition, clarity, and contrast
- Wide 60° apparent angle of view presents an immersive observational experience
- 395-foot field of view at 1000 yards
Use and Handling
- Slip-resistant center-focusing wheel is easy to manipulate, even when wearing gloves
- ±4 right-eye dioptric correction range enables precise focusing even for those who normally require corrective eyewear
- 50-74mm interpupillary distance adjustment range enables easy use by a wide variety of people
- Fold-down rubber eyecups for comfortable use with or without eyewear
- Integrated 1/4"-20 mounting socket for an optional tripod adapter to limit arm fatigue and vibrations
- Long 18mm eye relief increases viewing comfort and reduces eyestrain, especially during long glassing sessions
- Wide 5.25mm exit pupil will cover pupils as they open and fully dilate in low light and ensures the entire scene remains in view without vignetting
Construction Details
- Lightweight and durable aluminum-alloy chassis
- Nitrogen filled and O-ring sealed to be waterproof and resistant to internal fogging when moving through extreme changes in temperature and environmental conditions
- Protective synthetic rubber armor provides a slip-resistant grip
- Tethered objective lens caps offer additional lens protection without the risk of losing them during use
In the Box
- Celestron 8x42 Ultima Binoculars
- Lens Cloth
- Carrying Pouch
- Neck Strap
- 2 x Eyepiece Caps
- 2 x Objective Lens Covers
- Limited Lifetime Warranty
- Description
- Optical Performance
- Use and Handling
- Construction Details
Celestron Ultima Specs
| Prism Type | Porro |
| Magnification | 8x |
| Objective Lens Diameter | 42 mm |
| Angle of View | 7.5° (Actual) |
| Field of View | 394.58' @ 1000 yd / 131 m @ 1000 m |
| Minimum Focus Distance | 13.1' / 4 m |
| Exit Pupil Diameter | 5.25 mm |
| Eye Relief | 18 mm |
| Interpupillary Adjustment | 50 to 74 mm / 2 to 2.9" |
| Diopter Adjustment | -4 to +4 |
| Focus Type | Center |
| Fogproof | Yes, Nitrogen Filled |
| Water Resistance | Waterproof |
| Dimensions | 6.9 x 5.5 x 2" / 17.5 x 14 x 5.1 cm |
| Weight | 21.87 oz / 620 g |
| Package Weight | 2.175 lb |
| Box Dimensions (LxWxH) | 8.2 x 6.9 x 3.1" |
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Bulk Discount
| Quantity | Price |
| 2 | ₹ 15954.4 |
| 3-5 | ₹ 15791.6 |
| 5-10 | ₹ 15466.0 |
| 10+ | ₹ 15140.4 |
Bulk discount will be automatically applied during checkout based on quantity.