Celestron Ultima 20x50 Porro Binoculars

Celestron Ultima 20x50 Porro Binoculars

Celestron Ultima 20x50 Porro Binoculars
Celestron Ultima 20x50 Porro BinocularsCelestron Ultima 20x50 Porro BinocularsCelestron Ultima 20x50 Porro BinocularsCelestron Ultima 20x50 Porro BinocularsCelestron Ultima 20x50 Porro BinocularsCelestron Ultima 20x50 Porro Binoculars

Celestron Ultima 20x50 Porro Binoculars

Use Celestron Ultima 20X50mm Porro Binocular for viewing in low light with 50mm objective lens, 20x high power magnification, fully multi coated BaK-4 prism lenses, non-slip grip, synthetic rubber ergonomic body with adaptable tripod, rubber eye cups and glasses friendly and comes with a limited lifetime warranty.

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Product details

Bar Code:  050234722551
Part Number:  72255-CGL
Brand:  Celestron
Magnification  20x
Objective Lens Diameter  50 mm
Weight  Over 501g - Under 800g
Optical Design  Porro Prism
Prism Type  BaK-4
Lens Coating  Fully Multi-Coated
Waterproof & Fogproof  Waterproof & Fogproof
For Spectacle Wearers  Yes
Warranty  Limited Lifetime


Enjoy close-up views from anywhere with the Celestron Ultima 20x50mm Porro Binoculars.  There is a significant increase in magnification with the Ultima 20x50 binocular, which will make you feel like you're in the middle of the action.  When you need to maintain a safe distance, such as when observing wildlife or conducting surveillance, it is the ideal option for stunning views of distant topics.

The Porro prism optical system in these traditionally designed binoculars produces images with the best possible clarity and depth of focus.
Only conventional Porro prism binoculars can provide the spectator with a rich, three-dimensional image due to their widely spread objective lenses' increased triangulation between binocular and subject.

Prisms and Coatings
The optics on Ultima binoculars are fully multi-coated. When all glass surfaces of a pair of binoculars are covered with several layers of anti-reflectivity coatings, the glass is said to be "completely multi-coated," allowing the greatest amount of light to reach the eye. High-quality BaK-4 glass is used to construct the prisms within Ultima binoculars so that more light reflects off of their inside surfaces and enters the eye. Together, the BaK-4 prisms and completely multi-coated lenses enhance light transmission to provide incredibly bright, finely detailed images.

It's Body
Your Celestron Ultima 20x50mm Porro binoculars are protected from harm with a sturdy, aluminium housing that is encased in synthetic rubber without adding weight to you. Thanks to the synthetic fold-down rubber eye cups, viewing using Ultima binoculars is comfortable for both eyeglass wearers and those who do not.
Additionally, to prevent internal lens fogging, the binocular is completely waterproof and filled with dry nitrogen gas. Even the worst outside conditions won't deter the durability of Celestron Ultima binoculars.

Powerful Magnification
The Ultima 20x50 binoculars have a large 50mm objective lens and a powerful 20x magnification. It's a terrific option for getting near to the action at a sporting event, finding wildlife in a field, monitoring distant objects on the horizon, and whale watching from the shore.

What to Watch for
Use the convenient neck strap that comes with your Ultima binoculars to keep them close at hand. Additionally, it may be mounted on any common photographic tripod for prolonged viewing or digiscoping because it is tripod-adaptable (photography through the eyepiece).  The tripod adapter is a stand-alone item.

What is included in the box
Ultima 20x50mm Porro Binocular
adjustable neck strap
protective padded soft bag
eyepiece covers
tethered objective covers

Technical Specifications:

Magnification:    20x
Objective Lens Diameter:    50mm (1.97")
Angular Field of View:    3.1°
Linear Field of View (@1000 yards) / @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")

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.

Average Rating (1 Review):  
Write a Review and share your opinions!

Ultima Porro binoculars
25 February 2024  | 

Pleased with them. The optics are very good and the unit is easy to handle. Struggled to understand how to fit the tripod adaptor though as there were no instructions and it wasn't obvious. Using them next month for a sea voyage so we have high hopes.

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Dimensions (LxWxH cm): 17.0 / 18.5 / 6.0 / - Weight (g) : 760
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