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Celestron 9x33 Granite Binocular
Overview
Description
The 9x33 Granite Binocular from Celestron is a weather-sealed optic designed for close to mid-range observations. This lightweight binocular weighs less than 2 lbs and is compact enough to fit in the side pocket of a daypack. In addition to the Granite series' streamlined form factor, this fixed-magnification binocular features extra-low dispersion (ED) objective lenses and phase-corrected BaK-4 prisms that render enhanced brightness, clarity, and colour fidelity. Complementing the fully multicoated lens system, an immersive 65° apparent viewing angle, impressive 8.2 ft minimum focus distance, and balanced open bridge body design help provide a user-friendly glassing experience that is ideal for birding. The Granite binocular has a nitrogen-filled magnesium alloy housing that is built to withstand heavy rain and deliver fogproof performance, making this Celestron optic ready to handle almost any outdoor glassing activity.
Key Features
Optical Performance
- 9x magnification, 33mm objectives
- Extra low dispersion objective lenses
- Fully multicoated optics
- BaK-4 roof prisms with phase-corrective dielectric coating
- 7.2° angle of view, 65° apparent viewing angle
- 8.2 ft (2.5m) close focusing distance, 14.1mm eye relief
Use and Handling
- Centre focus wheel with ridges for improved grip
- Twist-up eyecups with multiple position stops
- 56-73mm interpupillary adjustment range
- Included stabilisation harness for birding
- Tripod adaptable
Construction Details
- Nitrogen-filled housing for fogproof/waterproof performance
- Open bridge design for increased ergonomics and balance
- Magnesium alloy construction
- 20.1 oz (570g) weight
Specifications
Prism Type |
Roof |
Magnification |
9.0x |
Objective Lens Diameter |
33mm |
Angle of View |
7.2° (actual) |
Field-of-View |
378' @ 1000 yd / 125.50 m @ 1000 m |
Minimum Focus Distance |
8.2' / 249.94 cm |
Exit Pupil Diameter |
14.1 mm |
Eye Relief |
14.1 mm |
Interpupillary Adjustment |
56 - 73 mm / 2.20 - 2.87" |
Dioptric Correction |
Not Specified By Manufacturer |
Focus Type |
Centre |
Tripod Mount |
Yes (Adapter Optional) |
Dimensions |
5.4 x 4.9 x 2.1" / 13.72 x 12.45 x 5.33 cm |
Weight |
20.1 oz / 569.84 g |
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Details
- Product: Celestron 9x33 Granite Binocular
- Manufacturer: Celestron
- Model: 71380
- SKU: 71380
- RM Product #: 26440