Celestron 20X80 Skymaster Porro Prism Binoculars

CelestronSKU: 050234710183

Sale price£189.00

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Product Description

    Celestron 20X80 Skymaster Porro Prism Binoculars

    • 20x magnification porro prism binocular
    • Giant 80 mm objective lens offers maximum image brightness in low-light and long-range conditions
    • Ultra sharp focus across the field of view
    • Multi-Coated optics for sharp, clear views
    • Suitable for terrestrial or astronomical viewing
    • Protective rubber covering for ultra-firm grip
    • Large center focus knob for easy focusing
    • Integrated tripod adapter rod for ultra-stable tripod mounting
    • Long eye relief ideal for eyeglass wearers
    • Soft carrying case included for travel and safe storage
    • Limited Lifetime Warranty provides best protection and product support on the market
    • Celestron 20X80 Skymaster Porro Prism Binoculars

    Celestron’s SkyMaster Series of large aperture binoculars are a phenomenal value for high performance binoculars ideal for astronomical viewing or for terrestrial (land) use - especially over long distances. Each SkyMaster model features high quality BaK-4 prisms and multi-coated optics for enhanced contrast. Celestron has designed and engineered the larger SkyMaster models to meet the special demands of extended astronomical or terrestrial viewing sessions.

    Celestron 20X80 Skymaster Porro Prism Binoculars

    Magnification: 20x
    Objective Lens Diameter: 80mm (3.15")
    Focal Length of Objective Lens: TBD
    Angular Field of View: 3.4°
    Linear Field of View (@1000 yds) / @1000 m): 178 ft (59 m)
    Exit Pupil: 4.0mm (.16")
    Eye Relief: 15.4mm (.61")
    Close Focus: 98.4 ft (30 m)
    Interpupillary Distance (max): 72mm (2.83")
    Interpupillary Distance (min): 56mm (2.20")
    Diopter Adjustment Range: ±3
    Twilight Factor 40
    Relative Brightness: 16
    Limiting Stellar Magnitude: Ideal: 12.02 | Moderate: 11.02 | Poor: 10.02
    Lens Coatings: Fully Multi-Coated - XLT Coatings
    Prism Glass (Type): BaK-4
    Prism Coatings: N/A
    Weight: 123.2 oz (3,492g)
    Environmental Protection: Waterproof (IPX7)
    Nitrogen Filled: Yes
    Tripod Adaptable: Yes
    Carrying Case: Deluxe Nylon
    Dimensions: 335mm x 230mm x 94mm (13.2" x 9.1" x 3.7")
    Included Items: Binoculars
    Objective lens caps
    Eyepiece Covers
    Neck strap
    Lens cloth
    Non-Silica Dessicant
    Instruction manual

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    Understanding: Magnification

    Understanding magnification, typically denoted by a number followed by an "x" (e.g., 8x42), is essential for choosing binoculars suited to specific activities like birdwatching, hunting, or stargazing.

    Higher magnification offers a closer view but may sacrifice field of view and stability, while lower magnification provides a wider field of view and is generally easier to stabilize but sacrifices detailed observation of distant objects

    Understanding: Field of View

    Field of view refers to the width of the area visible through the binoculars at a specific distance. A wider field of view allows you to observe more of your surroundings, making it ideal for activities like birdwatching or sports events where tracking fast-moving subjects is essential.

    Understanding: Objective Lens Diameter

    The objective lens diameter determines how much light the binoculars can gather, directly impacting image brightness and clarity, especially in low-light conditions. A larger objective lens diameter results in brighter and clearer images, making it ideal for activities such as stargazing or wildlife observation at dawn or dusk. However, larger objective lenses also mean heavier and bulkier binoculars, which may not be suitable for all users, especially for long periods of use or travel.

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