Helios Stellar-II 20×100 Waterproof Observation Binoculars: Helios Stellar-II 20x100mm Binoculars are a high quality filled observation binoculars, with individual eyepiece (IF) focusing that is designed for medium-to-long-range terrestrial and astronomical observations. This binocular is the best single versatile instrument that can be used to observe terrestrial targets as well as to study space objects. The large 100mm objective lenses provide excellent light-gathering capabilities, making them a great choice for viewing. They are fully waterproof (IPX7 standard, 1m depth for 30 minutes) and nitrogen filled for clear fog-free operation.

Features Of The Helios Stellar-II 20×100 Waterproof Observation Binoculars

Ideal for medium-to-long-range terrestrial and astronomical observations
Individual eyepiece (IF) focusing, make easy to have clear views
Rubber armoured body for shock resistance and stronger grip
Nitrogen filled for clear fog-free operation in harsh climate condition
Comes with hard carrying case for safe storage and worriless transportation
Long eye relief design ensures a clear field of view, even for eyeglass wearers
Robust magnesium alloy body help to reduce the overall weight and assure durability
Fully waterproof (IPX7 standard, 1m depth for 30 minutes) for wet weather application
Features oversized elements, generous eye-relief and fold-down rubber eyecups for spectacle-wearers
Integral tripod mounting column to attach the binocular on tripod for steady and long session observations
Fully broadband multi-coated optical system assures uniform and high transmittance in full visible range for bright and natural colour images

Also shockproof design incorporating a robust but lightweight magnesium alloy body construction, covered in stylish protective black rubber armouring. It 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. It is supplied in hard storage/carrying case with padded neck strap, eyepiece rainguard and objective lens caps.

Specifications Of The Helios Stellar-II 20×100 Waterproof Observation Binoculars

Model	‘STELLAR-II’ SERIES 100MM WATERPROOF OBSERVATION BINOCULARS
Specification	20×100	25×100
Magnification	20x	25x
Object Lens Diameter	100mm	100mm
Field of view	3.2°	2.6°
F.O.V. @ 1000M	56m	45m
Exit Pupil Diameter	5mm	4mm
Eye Relief	20mm	16mm
Interpupillary Distance	56 to 74mm	56 to 74mm
Light Transmission	85%	85%
Weight	3600g	3600g
Dimensions	382x240x112mm	382x240x112mm
Product Code	30150	30151