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Nikon 7x50 ProStar, Water Proof Porro Prism Astronomy Binocular with 7.3 Degree Angle of View, U.S.A.

Nikon

List Price: $1,510.95

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$979.95
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About Nikon 7x50 ProStar

The 7x50 Prostar was evaluated by Astronomy Magazine's Richard Berry as the conoiseurs' astronomy binocular.

Provides a 7.1mm exit pupil, high quality lens glass and full multicoating for the ultimate in low light viewing and optical versatility.

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 7x50 Prostar measures 8.5" x 8.1" and weighs 48.3 ounces. The Nikon 7x50 Prostar has a field of view of 383' at 1,000 yards and an exit pupil of 7.1mm. It is tripod adaptable for steady, detailed observation.

Nikon 7x50 ProStar Features

  • All metal construction for durability
  • Nikon's superior technology
  • BaK4 high index prisms
  • 100% Waterproof/Fogproof
  • Special Performance (SP) glass
  • Individual eye focus
  • Tripod adaptable
  • High resolution, fully multicoated optics, coma corrected

Nikon 7x50 ProStar Specifications

Type of Prism
Porro Bak4 prism
Coating
Fully Multi-Coated
Real Angular Field of View
7.3°
Field of View at 1000 Yards
383'
Exit Pupil
7.1 mm
Eye Relief
15 mm
Relative Brightness
50.4
Twilight Factor
18.7
Close Focus Distance (ft)
40.4'
Rubber Coated (Armored)
No
Waterproof / Fogproof
Yes
Camera Tripod Adaptable
Yes w/ #7806
Dimensions
L x W 8.5" x 8.4"
Weight
48.3 oz.
Special Features
Special Performance (SP) glass

Nikon 7x50 ProStar Reviews

Reviewed by 1 customers

(5 of 5 customers found this review helpful)

 
5.0

Very Fine Bit of Kit

By

from New York, NY  -  Casual/ Recreational

I bought these at Adorama on Black Friday. There was no discount obviously, as this is a rare item that has been discontinued, and who knows when we're going to see this finely made binoculars again in this crippled economy. Anyway, the binocular is fantastic. The quality is outstanding, and I consider myself very lucky to own these. Thank you Adorama. It's actually called 7x50IF SP, where IF stands for Independent Focus and SP for special puprose glass. It may have the WP somethere in the name for weather proof, but it's definitely not called ProStar in any Nikon source. So please don't confuse it with the new model 7x50IF WP, which I also got from Adorama by the way. I also wanted the 18x70IF WP a.k.a. Astroluxe, but Adorama didn't have it in stock. Surprisingly the other New York photo store had one example, so I got it. All these IF binoculars from Nikon are great. They have positively vintage look and feel, and feel solid in your hand.

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