Nitrogen pressure filling via 2-way-valve technology

Binocular Terminology

Fogging up or the formation of condensation inside the binoculars is totally prevented by this high-tech solution. Even temperature variations between -40° and +80°C do not have any adverse effects on the functionality of STEINER nitrogen-filled binoculars. The unique 2-way-valve technology makes inspection, service and maintenance possible even after a number of years. Your binoculars are always ready for action under the most extreme conditions or in the worst weather conditions. Optical quality and precision are maintained for decades.
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ClicLoc Belt Attachment ClicLoc exchangeable eyecups Coatings Dielectric mirror Distance Control System Dual Precision Setting Ergonomic eyecups Ergonomically Shaped Eyecups for Eyeglass Wearer Exit Pupil Fast-Close-Focus Field of View Fluoride glasses HD-stabilized Precision Compass High-Contrast-Optics High-Definition XP-Optics Luminosity LX Precision Compass Magnification Makrolon® Memory Ocular Nano Protection NBR-Longlife rubber armouring Nitrogen pressure filling via 2-way-valve technology Objective diameter Ocular Optical data, e.g. 8x30, 7x50 Porro Prisms Precision Reticle Roof-Prisms Sealing SEBS Professional Rubber Armouring Softgrips Sports-Auto-Focus Transmission Twilight Factor Twist-Up Eyecups Two-layer rubber armouring