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CELESTRON G2 UpClose 20×50 Porro Prism Binocular

4,460.00

  • Get up close to the action with UpClose G2 binoculars.
  • Pack these binoculars along for vacations, hikes, or outdoor adventures to observe birds and wildlife.
  • The UpClose G2 20×50 will be your binocular of choice.
Estimated delivery date Wednesday, December 8th

CELESTRON G2 UpClose 20×50 Porro Prism Binocular

 

Get up close to the action with CELESTRON G2 UpClose 20×50 Porro Prism Binocular. Pack these binoculars along for vacations, hikes, or outdoor adventures to observe birds and wildlife. The UpClose G2 20×50 will be your binocular of choice.

 

Coatings and Prisms

Inside the UpClose G2 are two Porro prisms, reflective optical prisms that the form of a right-angle triangle with two sides of equal length. Porro prisms make binoculars more compact without compromising focal length or the dispersion of the light rays as they pass through it giving the classic “broad-shoulder” shape of a traditional binocular.  Our Porro prisms are constructed of BK-7 optical glass, which provide high reflectivity so that more light passes through the optical path to your eye.

UpClose G2 also contains other optical surfaces treated with special coatings to boost light transmission even more. The result is a brighter view than uncoated binoculars.

The Body

Whether you are out on the trail or inside a crowded stadium, you want a binocular that is comfortable to hold and use over long periods, without fear of bumps or drops. UpClose G2 features a lightweight and durable armor-protected chassis. Its tough, rigid frame is coated with rubber to stand up to hard use in the field. The UpClose G2 is also water resistant and can repeatedly stand up to unexpected conditions.Viewing through UpClose G2 is comfortable for eyeglass wearers and non-eyeglass wearers alike, thanks to its rubber eyecups. Keep the eyecups up for proper positioning of the eyes without glasses. If you are wearing glasses, simply fold them down and out of the way.

Perfect for a Variety of Uses

UpClose G2 features a powerful 20x magnification for long distance viewing, a major boost in power when you need it: tracking wildlife, whale watching, celestial viewing, and more! The large 50mm aperture will bring in greater detail and image clarity, helping you observe in low light conditions and at night. No matter how you choose to observe, this binocular is a solid performer.

Ways to Observe

UpClose G2 is 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.  With the detachable objective lens caps you’ll be able to keep your lenses protected at all times. Plus, the large, smooth focus wheel is easy to turn allowing you to focus on subjects at varying distances even with gloves on.

Accessories Included

UpClose G2 includes a built-in neck strap for easy carrying.
The binocular also includes a protective soft case for storage and transport so you can take it anywhere with confidence.

FIELD OF APPLICATION
Magnification: 20x
Objective Lens Diameter: 50mm (1.96″)
Angular Field of View: 3.2°
Linear Field of View (@1000 yds) / @1000 m): 168 ft (56 m)
Exit Pupil: 2.5mm (0.1″)
Eye Relief: 7mm (0.27″)
Close Focus: 42 ft (13 m)
Interpupillary Distance (max): 72mm (2.83″)
Interpupillary Distance (min): 56mm (2.20″)
Diopter Adjustment Range: -4 to +8
Twilight Factor: 31.62
Relative Brightness: 6.25
Limiting Stellar Magnitude: Ideal: 10.99 | Moderate: 9.99 | Poor: 8.99
Lens Coatings: Multi-Coated
Prism Glass (Type): Bk7
Prism Coatings: N/A
Weight: 28 oz (794 g)
Environmental Protection: Water Resistant
Nitrogen Filled: No
Tripod Adaptable: Yes
Carrying Case: Soft Sided Cloth
Dimensions: 185mm x 81mm x 160mm (7.3″ x 3.2″ x 6.3″)
Included Items: Carrying case | Objective covers | Eyepiece covers | Lens cloth | Instruction manual
Solar Warning
  • Never look directly at the Sun with the naked eye or with this optic. Permanent and irreversible eye damage may result.
  • Never use your optic to project an image of the Sun onto any surface. Internal heat build-up can damage the optic and any accessories attached to it.
  • Never leave your optic unsupervised. Make sure an adult who is familiar with the correct operating procedures is with your optic at all times, especially when children are present.

Refractor Homepage Binoculars and telescopes

The Bresser Messier AR-80/640 Nano Refractor Telescope is a complete beginner’s telescope. It’s a 3-inch achromatic refractor that’s bundled with everything a newcomer needs to get started: a manual altaz mount, a red dot finder, a star diagonal and a 26mm Plössl eyepiece.

Its 3-inch aperture is more than adequate to allow observations of a wide range of celestial objects, its altaz mount is intuitive to use and the whole thing is a doddle to set up.

Achromatic doublet lenses, like the ones in this scope, are made from two types of glass that work together to minimise chromatic aberrations – an unwanted effect that produces coloured halos around bright objects.

More expensive optics have a number of special coatings applied to reduce reflections and increase light throughput, but this lens assembly has only one coating of magnesium fluoride (MgF2) – the minimum required.

The inside of the seamless aluminium optical tube is nicely blackened, though and has a single baffle to help reduce unwanted internal reflections.

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