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Black porro prism binoculars with large 70 mm objective lenses and rubber armouring

Celestron

Celestron 71009 SkyMaster 15x70 Binocular

SKU CH-F3VR-W4WKM MPN 71009

Large 70mm objective lenses gather maximum light for bright low‑light and astronomical viewing with 15x magnification and 18mm eye relief

  • Product typeBinocular
  • DetailsOPTICAL DESIGN: Porro DIAMETER: 70 mm (2.76 in) MAGNIFICATIO
  • Product colorBlack
  • Key features15x magnification porro prism binocular Large 70 mm objectiv
  • 15x magnification brings distant objects 15 times closer for detailed observation
  • Large 70mm objective lenses gather maximum light for bright images in low-light conditions
  • Multi-coated optics with Bak4 prisms maximize light transmission for clear, high-contrast views
  • Long 18mm eye relief provides comfortable viewing for eyeglass wearers
  • Wide 4.4° angular field of view captures expansive scenes at 230.41 ft at 1000 yards

SkyMaster 15x70 Binocular

The Celestron SkyMaster 71009 is a Porro prism binocular offering 15x magnification through 70 mm objective lenses. Multi-coated optics and Bak4 prisms maximise light transmission for bright, high-contrast images. Long 18 mm eye relief provides comfortable viewing for eyeglass wearers. The weather-resistant body suits extended outdoor sessions.

Astronomy and long-range terrestrial observers

Ideal for users who need high magnification and large aperture for low-light sky watching or distant landscape study. The 4.4° angular field and 230.41 ft linear field at 1000 yds frame wide scenes. Buyers who require a compact, lightweight instrument for handheld daytime use should consider smaller models. The fixed 15x power also limits close-quarters observation where a wider field is essential.

15x magnification with 70 mm aperture

This combination fixes the exit pupil at 4.7 mm and the near focus at roughly 18 m, so the binocular excels at medium-to-long distances in dim conditions. The 15x magnification brings subjects fifteen times closer while the 70 mm objectives gather ample light for dawn, dusk or night use. Match these figures to your intended viewing distance and lighting before purchasing.

How it compares

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

Price $43.99
Cheaper than about 69% of the 1,401 comparable items (median $93.99).

Specifications

Product
Brand nameCELESTRON
Model nameSkyMaster 15 × 70
Product typeBinocular
Product colorBlack
Size & build
Shipping weight2.31 kg
Package size337 × 286 × 127 mm

Questions about this item

What does the 15x magnification mean for viewing distance?

Objects appear 15 times closer than with the naked eye, providing detailed observation of distant subjects.

What are the physical dimensions of the 70mm objective lenses?

The objective lenses measure 70 mm (2.76 inches) in diameter, housed in a Porro prism body finished in black.

How do I adjust the 18mm eye relief for eyeglass wearers?

Twist the eyecups down fully to position your eyes at the 18 mm (0.71 in) relief distance for a full field of view with glasses on.

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