Delta Optical Titanium 9x63 Porro prism binoculars. Delta Optical Titanium models are part of Delta Optical's flagship series of binoculars, encompassing a wide range of mechanically and optically refined designs for both day and night observations. From these models, you can easily choose a pair of binoculars for a typical tourist, nature observer, astronomy enthusiast, or hunter. At the same time, they will be extremely competitive with many well-regarded and more expensive binoculars on the market. The Delta Optical Titanium 9x63 binoculars are the largest in this series, although only 160g heavier than the Titanium 8x56. The objective lens diameter of these binoculars is a whopping 63mm, making them excellent for night hunting or stargazing at 9x magnification. Thanks to these large objective lenses, they collect nearly 27% more light than 8x56 binoculars. If you're looking for a bright pair of binoculars and don't mind the larger size and slightly smaller field of view than the 8x56 model, consider the Titanium 9x63 model. The main advantage of Titanium series porro prism binoculars is their 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 colors. Titanium models are widely praised for their minimal optical aberrations, such as chromatic aberration, astigmatism, and coma. Titanium series porro prism binoculars are robust binoculars in aluminum housings. They are designed to optimally combine high optical properties with a compact size. The bodies are covered with a rough plastic veneer, ensuring a pleasant and comfortable grip. Rubber eyecups and a smooth, meticulously crafted focusing mechanism enhance user comfort. All Titanium series models are waterproof and vapor-free nitrogen-filled, allowing for easy observations even in the rain without the risk of the lenses getting wet or fogged. Titanium series binoculars are equipped with a tripod adapter connector and can be placed on a tripod to improve observation stability or relieve your hands during long observations. The Titanium 9x63 model is still light enough that you can easily conduct observations handheld. Technical data. Supplier's code: DO-1408; Binoculars series name: Titanium; Magnification: 9x; Objective lens diameter: 63 mm; Objective lens material: glass; Anti-reflective lens coatings: FMC; Twilight efficiency: 23.8; Relative brightness: 49.0; Exit pupil diameter: 7.0 mm; Eye relief: 19 mm; Angular field of view: 5.8; Linear field of view at 1000 m: 102 m; Focus adjustment: external central; Minimum focusing distance: 3 m; Interpupillary distance adjustment: 54-73 mm; Diopter correction: -/+5; Prism type: Porro; Prism material: BaK4 glass; Roof prism phase coatings: not applicable; Roof prism reflection layers: not applicable; Water resistance: yes; Housing filled with nitrogen: yes; Tripod mount: adapter "; Empty weight: 1180 g; Weight with packaging: 1820 g; Dimensions: 225x200x75 mm; Equipment: binocular case; optics cleaning material; strap for binocular case; binocular strap; lens caps; eyepiece caps; .