Shuntu Asika 8x42mm Binocular Nitrogen Filled Waterproof Multicoated Bak-4 for birding
 
 
GENERAL
 
Magnification:
8x
Objective Lens Diameter:
42mm (1.65")
Angular Field of View:
7°
Linear Field of View (@1000 yds) / @1000 m):
368.4 ft (122.8 m)
Exit Pupil:
5.2mm (.20")
Eye Relief:
17.8mm (.70")
Close Focus:
13.1 ft (4 m)
Interpupillary Distance (max):
74mm (2.91")
Interpupillary Distance (min):
56mm (2.20")
Diopter Adjustment Range:
±3
Twilight Factor:
18.33x
Relative Brightness:
28
Limiting Stellar Magnitude:
Ideal: 10.62
Moderate: 9.62
Poor: 8.62
Lens Coatings:
Multi-Coated
Prism Glass (Type):
Bak-4
Prism Coatings:
N/A
Weight:
23.6 oz (670 g)
Environmental Protection:
Waterproof
Nitrogen Filled:
Yes
Tripod Adaptable:
Yes
Carrying Case:
Cloth
Dimensions:
146mm x 126mm x 53mm (5.75" x 4.96" x 2.08")
Included Items:
Objective lens caps
Rainguard
Neck strap
Carrying case
Lens cloth
Instruction manual
Solar Warning
Never look directly at the Sun with the naked eye or with this optic. Permanent and irreversible eye damage may result.
Never use your optic to project an image of the Sun onto any surface. Internal heat build-up can damage the optic and any accessories attached to it.
Never leave your optic unsupervised. Make sure an adult who is familiar with the correct operating procedures is with your optic at all times, especially when children are present.
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