Helios 20×80 Quantum-4 Triplet Observation Binoculars

High quality waterproof, nitrogen-filled observation binoculars, with individual eyepiece focusing, designed for medium- to-long-range terrestrial and astronomical observations. Incorporating BAK-4 prisms and a fully broadband multi-coated optical system. The 15x70 model feature a central focusing (CF) and an integral tripod bush. The larger 20x80 and 25x100 models feature Individual eyepiece focusing (IF) and a central stabilising bar with sliding tripod adaptor, for optimum balancing on a tripod. High-precision construction using CNC machined metal components and finished in black rubber. Supplied in carrying case.... More