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Home Binoculars Helios Binoculars Helios Mistral 10x50 ED Waterproof Roof Prism Binoculars
This premium 10x50ED model incorporates exotic Extra-low Dispersion (ED) glass in their construction for enhanced colour fidelity and also have the additional benefit of phase-coated prisms for enhanced light transmission and image contrast. For astronomy ED optics really make the difference, contrast is better as all the colours are focused together, meaning stars reveal their natural hues.A tripod adaptor bush means these binoculars can easily be mounted on any standard photo type tripod with an L Adaptor (sold separately).
The new, highly specified Helios MISTRAL 10x50 ED are extremely competent instruments for both birdwatching & general observing, and represent truly amazing value. They feature a very stylish, ergonomic, modern top hinge design covered in sleek green rubber armouring. The body is constructed from lightweight but robust polycarbonate. All models feature high-index, silver-coated BaK-4 prisms and fully multi-coated optics which provide excellent optical performance. Images delivered are crisp and sharp, with very good resolution, brightness and depth of field, whilst maintaining colours to a natural level. Near focus capability of all models is 2.5m or less. Waterproof and nitrogen filled for clear, fog-free operation. Twist-up, 3 position eyecups with metal sub-structure. Suitable for spectacle wearers. Knurled metal, easy-grip 2-turn focusing knob. Integral tripod bush. Supplied with neck strap, eyepiece rainguard, objective lens caps and soft case.Magnification 10x Object Lens Diameter 50mm Field of view 5.9 degrees Actual Field of View 103m @ 1000m Nearest Focus Distance 2m Eye Relief 17.8mm Weight 795g