Nikon 7x50 Prostar Waterproof Astronomy Binoculars

Description of Nikon 7x50 Prostar Waterproof Astronomy Binoculars

The Nikon 7x50 Prostar Astronomy Binoculars was evaluated by Astronomy Magazine's Richard Berry as the conoiseurs' astronomy binocular.Nikon 7 x 50 Prostar Astronomy Binoculars Provides a 7.1mm exit pupil, high quality lens glass and full multi coated for the ultimate in low light viewing and optical versatility. Nikon 7x50 Prostar 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. Nikon 7x50mm Prostar Astronomy Binoculars glass is specially ground and polished to eliminate surface aberrations and provide crisp, clear resolution and the highest possible light transmission. Nikon 7x50 Prostar Astronomy Binoculars 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 Nikon 7x50 Prostar Astronomy Binoculars measures 8.5" x 8.1" and weighs 48.3 ounces. The Nikon 7 x 50 Prostar Astronomy Binoculars has a field view of 383' at 1,000 yards and an exit pupil of 7.1mm. It is tripod adaptable for steady, detailed observation.

Features - Nikon 7x50 Prostar Waterproof Astronomy Binoculars
Nikon 7x50mm Prostar Astronomy Binoculars are all metal construction for durability
Nikon's superior technology is used in Nikon 7x50 Prostar Astronomy Binoculars 
BaK4 high index prisms
100% Waterproof/Fogproof
Special Performance (SP) glass
Individual eye focus
Prostar Astronomy Binoculars 
High resolution, fully multi coated optics, coma corrected

Specifications - Nikon 7x50 Prostar Waterproof Astronomy Binoculars 
Prism Type Porro Bak4 prism
Fully Multi-Coated
Field View  at 1000 Yards 383 '
Real Angular Field View of Nikon 7x50 Prostar Astronomy BinocularsBinoculars is 7.1 mm
Eye Relief 15 mm
Relative Brightness  50.4
Twilight Factor 18.7
Close Focusing Distance of Nikon 7x50 Prostar Astronomy Binoculars is 40.4'ft
isn't Rubber Coated (Armored)
Waterproof / Fogproof
Camera Tripod is Adaptable to Nikon 7x50 Prostar Astronomy Binoculars
Dimensions  L x W 8.5" x 8.4"
Weight of Nikon 7x50 Prostar Astronomy Binoculars is 48.3 oz.
Special Features of Nikon 7x50 Prostar Astronomy Binoculars is the Special Performance (SP) glass

Kit Contents
Nikon 7x50 Prostar Binocular
Nikon Strap
Nikon case
Nikon  user guide
Nikon  Eye caps