ZEISS SPORTING OPTICS SFL 12X50MM BINOCULAR W/TRIPOD ADAPTOR ZEISS SFL 50s (SmartFocus Lightweight) represent an outstanding breakthrough in binocular technology. You can now enjoy the optical performance and benefits of a 50 mm objective binocular in a 42 mm frame size. The Ultra-High-Definition (UHD) Concept ensures true-to-life color reproduction and the highest level of image detail. The 50 mm objective and larger exit pupil, combined with 90% light transmission, provide an appreciably brighter image by allowing 42% more entry light. Thanks to its SmartFocus Concept, the focus wheel is perfectly positioned and enables fast and precise focusing. These premium optics will Mfg: Zeiss Sport Optics