It's called Delta Titanium 8x56 ED

The It 's called Delta Titanium binoculars 8x56 ED are professional, feature high-quality Porro Bak4 prisms, ED glass lenses that provide a clear and crisp image, multi-layer anti-reflective coatings, aluminium casing with a rough exterior for improved grip, are waterproof and prevent fogging, can be placed on a tripod, and include case, conveyor belt, cleaning cloth, and instruction manual.

Characteristics

• Delta titanium binoculars: They're professionals.
• Prisms Bak-4 joint: Of a thickness of optical properties above average.
• Other, of circular cross-section Very low dispersion. They reduce color aberration, the resulting image is free of color artifacts, and is bright and sharp even at the edge of the field of view. The the ED crystal can be seen, for example, in bird watching and landscaping.
• Wide field of view: 7.3 degrees.
• Multilayer refractive coatings of the FMC type: They cover all the optical surfaces of the lenses, with an efficiency of more than 99%, and ensure clear and bright images.
• Aluminium housing coated with rough plastic: Para a better grip.
• Other, of circular cross-section With gentle focus.
• Waterproof and containing nitrogen: They allow observations even in the rain, without the lenses getting wet or fogging from the inside.
• A diameter of not more than 10 mm They can be placed on a tripod to make observations.
• Content: Binoculars, case, conveyor belt, cleaning cloth, instruction manual.

Technical specifications for Delta Titanium 8x56 ED:

• Twilight factor: 21,2.
• Exit pupil: 7 mm.
• Linear field of view: 127 meters .
• Angular field of view: 7.3 degrees.
• Relative brightness 49,0.
• Minimum focusing distance: 5 meters .
• Setting of diopters: - / +5.
• Size: 200 x 185 x 65 mm .
• Weight: 1,105 grams .
• Guarantee: 10 years.