Delta Optical Titanium 7x50 DO-1403 Binoculars Delta Optical Titanium 7x50 binoculars are the most versatile and versatile model, offering high-quality optics and robust mechanics. They also perform well as night binoculars, with 50mm objective lenses that gather plenty of light, and a 7mm exit pupil ensures a comfortable fit. These porro prism binoculars from the Titanium series boast above-average optical properties. Built-in prisms made of BaK4 glass and multi-layer anti-reflective coatings (FMC), which cover all active optical surfaces of the lenses, with an efficiency of over 99%, guarantee sharp and bright images with accurate color. The Titanium binoculars feature a robust aluminum housing. The bodies are covered with a roughened plastic veneer, and rubber eyecups and a smooth focusing mechanism enhance comfort. All models in the Titanium series are waterproof and filled with vapor-free nitrogen, so they can be used in rain without worrying about the lenses getting wet or fogging up. They can also be used successfully during the day. These binoculars are small despite their large objective lenses, making them easy to use and transport. ORIGINAL PRODUCT! Product features: Prisms made of BaK4 glass.; Multilayer FMC anti-reflective coatings ensure sharp and bright images with faithful colors.; Objective lenses with a 50mm diameter.; 7mm exit pupil ensures a comfortable fit to the eye's pupil.; Smooth focusing mechanics.; Waterproofing allows for observation in rain.; The rough veneer of the body housing guarantees a secure grip and absorbs partial impacts.; Technical data: Series name: Titanium; Magnification: 7x; Objective lens diameter: 50 mm; Twilight efficiency: 18.7; Relative brightness: 50.4; Exit pupil diameter: 7.1 mm; Angular field of view: 7.5 °; Linear field of view at 1000 m: 131 m; Minimum focusing distance: 5 m; Interpupillary distance adjustment: 54-73 mm; Diopter correction: -/+5; Prism type: Porro; Prism material: BaK4 glass; Objective lens material: glass; Anti-reflective lens coatings: FMC; Empty weight: 900 g; Dimensions: 185x185x65 mm; The set includes: binocular case; optics cleaning material; strap for binocular case; binocular strap; lens caps; eyepiece caps; Delta Optical is the most important domestic brand in the Polish optical equipment market. Founded by a passionate group of individuals, after nearly two decades, the company has achieved success as a manufacturer of outstanding quality spotting scopes, binoculars, microscopes, and telescopes, attracting a wide customer base. The Delta Optical brand enjoys recognition in Poland and abroad. This is due to the high quality of its equipment, confirmed by industry awards and certificates from the German DEVA institute. Delta Optical products are used by professionals: TOPR rescuers, the Border Guard, the Police, the Railway Protection Guard, the Forest Service, and individual users. Delta Optical is also a renowned manufacturer of equipment for schools, universities, research institutions, industry, and healthcare. For many years, we have been the main sponsor of the Biology Olympiad. To promote scientific passions, Delta Optical has been organizing the "AstroShow," a unique international open rally for astronomy enthusiasts, for seven years.