Helios Stellar-II Waterproof Observation Binoculars 20x80


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High quality filled observation binoculars, with individual eyepiece (IF) focusing, designed for medium-to-long-range terrestrial and astronomical observations. They are fully waterproof (IPX7 standard, 1m depth for 30 minutes) and nitrogen filled for clear fog-free operation. Shockproof design incorporating a robust but lightweight magnesium alloy body construction, covered in stylish protective black rubber armouring. Features BaK-4 prisms and a fully broadband multi-coated optical system. The optical system features high-transmission lens and prism coatings allowing 85% light transmission. Eyepiece design features oversized elements, generous eye-relief and fold-down rubber eyecups for spectacle-wearers. Features integral tripod mounting column and central stabilising bar. Supplied in soft storage/carrying case with padded neck strap, eyepiece rainguard and objective lens caps.


Specification: 20x80
Magnification: 20x
Object Lens Diameter: 80mm
Field of view: 3.2 degrees
Actual Field of View: 56m @ 1000m
Exit Pupil Diameter: 4mm
Eye Relief: 16mm
Interpupillary Distance: 56 to 74mm
Light Transmission: 85%
Weight: 2400g
Dimensions: 308x230x93mm

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