bird watching binoculars jumbo

Top-quality waterproof, nitrogen-filled observation binoculars
Individual helical eyepiece focusing
Incorporating oversized BAK-4 prisms and a fully broadband multi-coated optical system
Top quality triplet objective lenses deliver superb, semi-apochromatic optical performance
Supplied with three pairs of 1.25" eyepieces. Eyepieces are angled at 90° making them ideal for high-angle astronomical viewing
Features carrying handle, built-in lens hoods and tripod adaptor. High quality precision all-metal construction
Supplied in foam-lined Aluminium storage/carrying case.

Main specification
Model: A1670 Astronomical Observation Binoculars
Magnification: 16x (20x and 25x as optional)
Objective diameter: 70mm
Exit Pupil: 4.37mm for 16x
3.5mm for 20x (optional)
2.8mm for 25x (optional)
Eye Relief: 23.5mm for 16x
16.5mm for 20x (optional)
14mm for 25x (optional)
Field of view: 56m@1000m for 16x
56m@1000m for 20x (optional)
44m@1000m for 25x (optional)
Close focus: 25m
Focus type: Individual
Prism glass" BaK4
Coating: Mulit-coating
Body Weight: 3.5kgs
Color: Black, silvery white, Champagne

Kunyang Zhicheng Optical Co., Ltd. ( former Kunyang Optical Instrument Factory ) , founded in 1993 , is located in the cradle of the world's optical products - Kunming, Yunnan Province . Is engaged in high-end telescopes , binoculars and spotting scope research and development production and sales of professional manufacturers, our company has more than 50 employees, 5 professional design engineers, the company area of about 1,500 square meters. Company primarily focused on the early well-known clients such as : manufacturing and export BOSMA, BUSHNELL, MEADE BRESSER other products , the company has 100% of the products exported to Europe and Japan , in a relatively short period of time with excellent product quality and on the integrity and pragmatic cooperation , received the unanimous endorsement of foreign partners , and in the world of traditional optical industry gradually won reputation and location.
     As a supplier of international brands , in addition to its constant innovation and effort, the company 's partners are some of the world's leading optical companies , and over the years in the process of cooperation, continue to provide us with a lot of product recommendations market feedback and quality endorsed , which not only makes our products become perfect , but also for us in the domestic market leader today , provides a strong quality foundation. Meanwhile, we use modern network platform and logistics system, through network marketing and direct sales agents around the way , by trying to increase productivity, reduce costs, compression from the factory to the hands of consumers in the middle of the process to a minimum , which can guarantee domestic consumers at the lowest price to buy our high-quality products , consumers do not have to make the most of the high rents and overwhelming luxurious shopping mall advertising pay, get the value and cost-effective products .
     As a famous domestic OEM supplier and pioneer telescope brands internationally , today , we may obscure telescope in the domestic market , but we believe Accumulate brought gorgeous tomorrow.
    Kunyang Zhicheng optics must be provided to you on the most cost-effective international     products and excellent service , please join hands with us to create the future !