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Large black Porro binoculars with 50mm objective lenses and 7.8 degree field of view

Celestron

Celestron SkyMaster Pro ED 7x50mm Porro Binoculars 7.8°

SKU CH-GSE0-YD79Z

Wide 7.8° field and 50mm objectives with ED glass deliver bright, sharp views in low light

  • Exceptional low-light brightness from 50mm objective lens and XLT coatings
  • Razor-sharp, true-colour views across the field thanks to ED glass eliminating chromatic aberration
  • Expansive 7.8° field of view captures more sky in a single glance for easy object tracking
  • Reliable performance in any weather with IPX7 waterproof rating and nitrogen-purged fogproof construction
  • Fully multi-coated optics maximise light transmission for vivid, high-contrast images in dim conditions

Purpose-built for astronomy and nature observation

The 7x50mm SkyMaster Pro ED Porro binoculars deliver high-contrast views through extra-low dispersion glass and XLT fully multi-coated optics. A wide 7.8° angle of view makes it easier to locate and track celestial or terrestrial subjects. The IPX7 waterproof and nitrogen-purged body withstands immersion and prevents internal fogging in humid conditions.

Optical system and handling

The 50mm objective lenses gather abundant light for bright images in low-light settings such as dusk or night skies. Porro prism geometry provides a traditional wide stance that many observers find comfortable for extended viewing sessions. A rubber-armoured chassis adds grip and protects the optical alignment from knocks during transport or field use.

Sustained viewing performance

ED glass virtually eliminates chromatic aberration so colour fringing stays absent even during long sessions at high contrast edges. Nitrogen purging keeps internal surfaces clear when temperatures shift rapidly, maintaining sharpness without interruption. The waterproof seal ensures optical performance remains consistent after exposure to heavy dew, rain or accidental immersion.

How it compares

Measured against everything we stock in Binoculars, Scopes & Sights, at today’s prices. Recalculated every night.

Price $151.99
Pricier than about 61% of the 1,401 comparable items (median $93.99).

Specifications

No published specifications for this item yet.

Questions about this item

How does the 50 mm objective lens handle extended low-light sessions?

The large aperture gathers ample light for bright, high-contrast images, while fully multi-coated XLT optics maximise transmission and ED glass removes colour fringing.

What happens to the body temperature and fogging during all-day outdoor use?

Nitrogen purging keeps internal optics fog-free in humid conditions and the IPX7-rated housing withstands full immersion without moisture ingress.

Which mounting accessory is required to keep the 7.8° field steady for long periods?

A standard tripod adapter threads into the built-in socket so the binoculars can be fixed to any photo tripod for vibration-free viewing.

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