Celestron 25x100 Skymaster Porro Prism Binoculars

CelestronSKU: 0050234710176

Price:
Sale price£339.00 Regular price£399.00

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Product Description

Celestron Skymaster Astronomy Binoculars 25x100

  • 25x magnification porro prism binocular
  • Giant 100 mm objective lens offers maximum image brightness in low-light and long-range conditions
  • Ultra sharp focus across the field of view
  • Individual Eyepiece Focus to ensure optimal focus position
  • Multi-Coated optics for sharp, clear views
  • Suitable for long-range terrestrial or astronomical viewing
  • Protective rubber covering for ultra-firm grip
  • Integrated tripod adapter rod for ultra-stable tripod mounting
  • Long eye relief ideal for eyeglass wearers
  • Deluxe padded carrying case included for travel and safe storage
  • Limited Lifetime Warranty provides best protection and product support on the market

25x100

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.

25x100

For maximum stability and secure optical alignment, the 100mm SkyMaster model features enhanced structural reinforcement to the main binocular body. As an additional convenience, the 100mm SkyMaster model also includes an integral super rigid photo tripod adapter. The SkyMaster Series binoculars are built to provide years of magnificent views of the world around you and the heavens above.

Magnification: 25x
Objective Lens Diameter: 100mm (3.94")
Focal Length of Objective Lens: 417.32mm (16.43")
Angular Field of View:
Linear Field of View (@1000 yds) / @1000 m): 156 ft (52 m)
Exit Pupil: 4mm (.15")
Eye Relief: 15mm (.59")
Close Focus: 80 ft (24.4 m)
Interpupillary Distance (max): 72mm (2.83")
Interpupillary Distance (min): 56mm (2.20")
Diopter Adjustment Range: ±5
Twilight Factor: 50
Relative Brightness: 16
Limiting Stellar Magnitude: Ideal: 12.50 | Moderate: 11.50 | Poor: 10.50
Lens Coatings: Multi-Coated
Prism Glass (Type): BaK-4
Prism Coatings: N/A
Weight: 140 oz (3969 g)
Environmental Protection: Water Resistant
Nitrogen Filled: No
Tripod Adaptable: Yes
Carrying Case: Nylon
Dimensions: 256mm x 130mm x 388mm (10.1" x5.1" x 15.28")
Included Items: Objective lens caps
Rainguard
Carrying case
Neck strap
Lens cloth
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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