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Delta Optical Titanium 12x56 ROH Gen2 Binoculars

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£303.27
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£303.27

Delta Optical Titanium 12x56 ROH Gen2 Binoculars

Waterproof binoculars with a roof prism optical system, 12x magnification and 56 mm objective lenses. They feature BaK-4 prisms and FBMC anti-reflective coatings (Fully Broadband Multi Coated), while the 4.7 mm exit pupil allows comfortable observation in low light. The aluminium body, nitrogen filling and wide field of view of 91 m at 1000 m make this model well suited to observing nature, landscapes and the surrounding area after dusk.

ergonomic rubber-coated body, waterproof construction

The binocular body is made of aluminium. The construction measures 161 x 141 x 69 mm and weighs 906 g. The housing is covered with a rubber layer with a non-slip texture, serving a protective and cushioning role. The roof prism system supports clear image reception, increasing comfort when observing landscapes and objects at varying distances. The interpupillary distance adjustment range is 63-79 mm. The binoculars are equipped with a central focusing mechanism that allows quick transitions from observing nearby objects to those located far away.

The binoculars meet the high IPX7 waterproof rating (providing protection against immersion in water to a depth of up to 1 metre for 30 minutes). Nitrogen filling protects against fogging, allowing observation even in adverse weather conditions. Dioptre adjustment in the right eyepiece enables precise image matching to the observer's individual needs.

BaK-4 prisms, FBMC coating

The model uses an optical system based on BaK-4 prisms made of barium crown glass. They stand out for their high refractive index, which translates into a sharp, bright and well-contrasted image with minimal chromatic aberration. Good light transmission means these prisms also perform well in limited lighting conditions. The lenses and eyepieces are coated with multilayer FBMC anti-reflective coatings (Fully Broadband Multi Coated), which limit light loss, reduce unwanted glare and work with high efficiency across the entire visible light spectrum. As a result, the image is characterised by high contrast, natural colour reproduction and better clarity. The angular field of view is 5.2 degrees, which corresponds to a field of view of 91 m at a distance of 1000 m. The wide image makes it easier to track moving animals and observe a larger section of the landscape. The minimum focusing distance is 1.8 m.

set elements

  • Delta Optical Titanium 12x56 ROH Gen2 binoculars
  • neck strap
  • case strap
  • cleaning cloth
  • case
  • objective lens covers
  • eyepiece covers

main features

  • 56 mm objective diameter
  • fixed 12x magnification
  • aluminium body
  • BaK-4 prisms in a roof prism system
  • FBMC coating
  • wide field of view
  • non-slip protective layer
  • case included
  • waterproof construction
  • nitrogen filling
  • central focus adjustment knob
  • dioptre adjustment
Delta Optical


MILITARY is a premium dealer of Delta Optical.


Delta Optical is a European company established in 1989 on the initiative of optics enthusiasts. It is now one of the main manufacturers of binoculars and telescopes in Europe, and its equipment is used by travellers, hunters, astronomers and TOPR mountain rescuers. The brand works with renowned partners such as Pulsar, Pentax and William Optics, offering a wide selection of devices valued by both professionals and enthusiasts of nature and sky observation. Delta Optical continually improves its products, implementing innovations that increase precision and ease of use. Telescopes from this brand have been used many times during organised public astronomy shows. Thanks to the company's commitment, thousands of people have had the opportunity to see Saturn's rings or details of the Moon's surface for the first time.

More Information
Magnification (x) 12
Objective lens diameter (mm) 56
Minimum observation distance 1,8 m
Eye distance 20 mm
Optical glass BAK-4
Binoculars use General-purpose
Pole widzenia (m /1000 m) 91 m/ 100 m
Exit pupil 4,7 mm
Adjustable diopter Yes
Cover / case / bag included in set Case
System Roof
Anti-reflection coating Fully Broadband Multi Coated (FBMC)
Binoculars water resistance Yes
Length 161 mm
Weight 906 g
EAN 5901691614222
Manufacturer code DO-1422
Brand Delta Optical
BaK-4 feature
BaK-4
BaK-4 are high-end prisms made of Barium Crown glass, containing barium oxide. They are used in advanced optics such as binoculars, telescopes and finders, where image quality is crucial. BaK-4 glass is characterized by a high refractive index, resulting in a sharp, bright and well-contrasted image with minimal chromatic aberration. With excellent light transmission, these prisms perform particularly well in low-light conditions.

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