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Celestron 12x70 Cometron Binocular
Overview
Description
The 12x70 Cometron Binocular from Celestron combine large objective lenses, mulitcoated optics and Bak-4 Porro prisms into an optical system designed for astronomical viewing. The 70mm objective lenses and multicoated optics gather enough light to provide bright images of the moon, planets, comets, and even some larger deep-space objects like nebulae. This combination of light gathering ability and prism design produces rich depth of view and contrast. The included adapter allows the binocular to be mounted on a tripod for extended viewing sessions.
The aluminium and polycarbonate body reduces the weight without sacrificing strength or durability. A centre focus wheel gives easy access with either hand for precision focusing. Rubberised armour protects the optics when being used in damp conditions. Dimpled hand-grips help keep a steady hand on the binocular. The rubber eyecups optimise the long eye relief and block stray light from leaking in from your periphery vision, and can be folded down for eyeglass users.
Features
Optical Performance
- Bak-4 porro prisms
- 12x magnification
- 70mm objective lenses
- Multicoated Optics
- 241.5' field of view at 1000 yards
- 4.6° apparent field of view
- 59' close focus distance
- 5.8mm exit pupil
- 19.6mm eye relief
Use and Handling
- Centre focus wheel
- Right-eye dioptric adjustment
- 56-72mm interpupulary adjustment
Construction
- Aluminium and polycarbonate body
- Fold-down eyecups
- Rubberised dimpled hand grips
- Tripod mountable with included adapter
Specifications
Prism Type | Porro |
Magnification | 12x |
Objective Lens Diameter | 70mm |
Angle of View | 4.6° (apparent) |
Field-of-View | 241.5' @ 1000 yd / 80.18 m @ 1000 m |
Minimum Focus Distance | 59' / 17.98 m |
Exit Pupil Diameter | 5.8 mm |
Eye Relief | 19.6 mm |
Interpupillary Adjustment | 56 - 72 mm / 2.20 - 2.83" |
Dioptric Correction | Not Specified By Manufacturer |
Focus Type | Centre |
Tripod Mount | Yes (Adapter Included) |
Dimensions | 10.9 x 8.4 x 3.25" / 27.69 x 21.34 x 8.26 cm |
Weight | 49.3 oz / 1.40 kg |
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Details
- Product: Celestron 12x70 Cometron Binocular
- Manufacturer: Celestron
- Model: 71199
- SKU: 71199
- RM Product #: 38657