- Contact Person : Mr. yang joe
- Company Name : Kunyang Zhicheng Optical Co., Ltd.
- Tel : 86-0871-7892532
- Fax : 86-0871-7894567
- Address : Yunnan,kunming,South door,Kunyang Town,Jinning County,Kunming City,Yunnan Province
- Country/Region : China
18x, 25x, 30x70mm 90 Degree Astronomical Observation Binocular (A1670)
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: A1870 Astronomical Observation Binoculars Magnification: 18x (25x and 30x as optional) Objective diameter: 70mm Exit Pupil: 4.37mm for 18x 3.5mm for 25x (optional) 2.8mm for 30x (optional) Eye Relief: 23.5mm for 18x 16.5mm for 25x (optional) 14mm for 30x (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
Model | Eyepieces | Field of view | Eye Relief mm | Exit Pupil mm | Weight
| ||
angle | M/1000M | FT/1000YDS | |||||
18X70 | 18 X | 2.8º | 49 | 147 | 22.5 | 4 | 3.5kgs |
25 X | 2.8 º | 49 | 147 | 15.5 | 3 | ||
30X | 2 .2º | 39 | 116 | 12.5 | 2.4 | ||
18x, 25x, 30x70mm 90 Degree Astronomical Observation Binocular (A1670)
