High quality waterproof , nitrogen filled observation binoculars, with individual eyepiece (IF) focusing, designed for medium-to-long-range terrestrial, marine and astronomical observations. Shockproof design incorporating a robust but lightweight magnesium alloy body construction. 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 20mm eye-relief and fold-down rubber eyecups for spectacle-wearers. Features integral tripod mounting bush. Finished in stylish dark green and black rubber and supplied in soft storage/carrying case with padded neck strap, eyepiece rainguard and captive objective lens caps.
An expert review of the Helios Stellar-II 10x50 can be read here: http://binocularsky.com/reviews/Stellar2_10x50.pdf
Specifications:
| Model | ‘STELLAR-II’ SERIES 50MM WATERPROOF OBSERVATION BINOCULARS |
| Specification | 10x50 |
| Magnification | 10x |
| Object Lens Diameter | 50mm |
| Field of view | 6.5° |
| F.O.V. @ 1000M | 114m |
| Exit Pupil Diameter | 5mm |
| Eye Relief | 20mm |
| Interpupillary Distance | 56 to 74mm |
| Light Transmission | 85% |
| Weight | 1150g |
| Dimensions | 185x202x66mm |
| Product Code | 30130 |
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