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
|
Model |
Eyepieces |
Field of view |
Eye Relief mm |
Exit Pupil mm |
prism |
Weight g |
||
|
angle |
M/1000M |
FT/1000YDS |
||||||
|
16X70 |
16 X | 3 .12 º |
55 |
166 |
22.2 |
4.4 |
Porro II |
3.5kgs |
| 20 X | 3 .12 º |
55 |
166 |
15.5 |
3.38 |
|||
| 25 X | 2 .5 º |
44 |
133 |
12.5 |
2.75 |
|||
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