Nikon 18 x 70 Astroluxe-XL, Water Proof Porro Prism Astronomy Binocular with 3.0 Degree Angle of View, Indiviual Focus, U.S.A.

SKU: NK1870SP MFR: 8210
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About the Nikon 18 x 70 Astroluxe-XL

Nikon's astronomy binoculars use durable, all-metal construction and O-ring sealed nitrogen filled tubes for waterproof, shockproof and fogproof performance, and a unique "pebbled" surface to provide ergonomic viewing.

Each of the three models utilizes top of the line, coma-corrected lenses and Nikon's exclusive Special Purpose (SP) glass for flare-free pin point image clarity. The glass is specially ground and polished to eliminate surface aberrations and provide crisp, clear resolution and the highest possible light transmission. The lenses and prisms are coated with multiple layers of Nikon's proprietary anti-reflective lens coatings to improve light transmission, enhance color rendition, and provide flare-free viewing. In each binocular, the power is designed to complement a large objective lens delivering the perfect balance of resolution and generous exit pupil.

The 10x70 Astroluxe and 18x70 Astroluxe XL are 12" x 9.2" and weigh 69.8 ounces. A 161' field of view at 1,000 yards and a 3.9mm exit pupil give the 18x70 Astroluxe XL a strong blend of light transmission and resolution. All three models are tripod adaptable for steady, detailed observation.

Nikon 18 x 70 Astroluxe-XL Includes

  • Binocular Case
  • Binocular Strap
  • Lens Covers
  • Angled Eyecups
  • Nikon 25 Year Warranty
  • Lifetime $10.00 No-Fault Repair/Replacement Policy

Nikon 18 x 70 Astroluxe-XL Features

  • Waterproof, Fogproof, Shockproof
  • SP Glass
  • Tripod Adaptable

Nikon 18 x 70 Astroluxe-XL Specifications

Type of Prism Porro, BaK-4 prism
Coating Fully Multi-Coated Lens
Real Angular Field of View 3 degrees
Field of View at 1000 Yards 161'
Exit Pupil 3.9mm
Relative Brightness 15.21
Twilight Factor 35.5
Rubber Coated (Armored) Yes
Waterproof / Fogproof Yes
Camera Tripod Adaptable Yes
Dimensions 12" x 9.2"
Weight 69.8 ounces
Special Features SP glass
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