Binoculars from the strictly professional range, excellent workmanship and plastic quality, very extensive adjustment options, and superb image quality. It is worth buying something that will last for years and offers quality. I recommend it.
Delta Optical Forest Gen3 Binoculars 10x42
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€183.00
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€183.00
Delta Optical Forest Gen3 Binoculars 10x42
Binoculars with a 42 mm objective lens diameter and fixed 10x magnification, belonging to the third generation of the Forest binoculars series. The binoculars use a BaK4 roof prism system with phase correction, ED glass lenses and FBMC multi-coated anti-reflective coatings. The magnesium-aluminium alloy construction, nitrogen filling and wide field of view of 113 m at 1000 m make this model suitable for nature observation, hiking and use in changing weather conditions.
ergonomic body with rubber coating, waterproof construction
The binocular body is made of magnesium-aluminium alloy and is based on a compact Roof prism design, which allows it to maintain a slim profile. The interpupillary distance adjustment range is 57-76 mm. The housing is covered with a soft anti-slip rubber coating with an anti-slip texture, which provides both protection and cushioning. The binoculars are equipped with a convenient central focus adjustment mechanism, which allows quick switching from observing nearby objects to those at a great distance.
Twist-up eyecups increase comfort of use and help maintain the correct eye position relative to the eyepiece. Diopter adjustment in the right eyepiece allows precise image matching to the observer's individual needs. The binoculars are equipped with a standard 1/4" tripod thread, enabling mounting on a tripod using a suitable binocular adapter. The binoculars are waterproof to IPX7 standard and are equipped with nitrogen filling to protect against fogging, which allows observation also in adverse weather conditions.
BaK-4 prisms, ED lenses, FBMC coating
The objective lenses are made of ED glass. This material is used to reduce chromatic aberration, that is coloured fringes visible on high-contrast edges. The result is a clearer image and more faithful colour reproduction of observed objects.
The model uses an optical system based on BaK-4 prisms made of barium crown glass. They are characterised by a high refractive index, which makes it possible to obtain a sharp, bright and well-contrasted image with minimal chromatic aberration. Thanks to good light transmission, these prisms perform particularly well in low-light conditions. The lenses and eyepieces are coated with FBMC multi-coated anti-reflective coatings, which limit light loss and reduce unwanted reflections. As a result, the image is characterised by high contrast, natural colour reproduction and better clarity.
The exit pupil has a diameter of 4.2 mm, and the twilight factor is 20.5. A higher twilight factor associated with 10x magnification increases comfort when observing distant objects in fading light conditions.
case included
The set includes a case made of durable synthetic material with increased resistance to abrasion and moisture, which ensures effective protection of the binoculars during transport and storage. Additionally, the binoculars are equipped with an adjustable neck strap, allowing convenient and secure carrying of the equipment during field observation.
set elements
- binoculars
- neck strap
- case strap
- case
- set of covers
main features
- 42 mm objective lens diameter
- fixed 10x magnification
- housing made of magnesium-aluminium alloy
- BaK-4 prisms in a roof system
- can be mounted on a tripod
- ED glass lenses
- FBMC coating
- anti-slip rubber protective layer
- case included
- waterproof construction
- nitrogen filling
- central focus adjustment wheel ensuring quick operation
- diopter adjustment
Militaria.pl is a premium dealer of Delta Optical.
Delta Optical is a Polish company founded in 1989 by optics enthusiasts. Today, the brand is one of the leading manufacturers of binoculars, riflescopes, and telescopes in Europe, and its equipment is used by travelers, hunters, astronomers, and mountain rescuers from TOPR. Delta Optical works with respected partners such as Pulsar, Pentax, and William Optics, offering a wide range of products valued by both professionals and enthusiasts of nature or sky observation. The company continuously develops its solutions, introducing innovations that improve comfort and precision of use. Delta Optical telescopes have been used many times during public astronomy shows in Poland, and thanks to the brand's support, thousands of people were able to see Saturn's rings or the surface of the Moon for the first time.
| Magnification (x) | 10 |
|---|---|
| Objective lens diameter (mm) | 42 |
| Minimum observation distance | 2,5 m |
| Eye distance | 15,2 mm |
| Optical glass | BAK-4 |
| Cover / case / bag included in set | Cover |
| Adjustable diopter | Yes |
| Exit pupil | 4,2 mm |
| System | Roof |
| Pole widzenia (m /1000 m) | 11,3 m/ 100 m |
| Binoculars use | General-purpose |
| Anti-reflection coating | Multi-layer coating |
| Binoculars water resistance | Yes |
| Length | 147 mm |
| Weight | 709 g |
| EAN | 5901691613065 |
| Manufacturer code | FOREST 3 10X42 |
| Brand | Delta Optical |
| EAN |
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.
ED Lenses
ED (Extra-low Dispersion) lenses are optical elements made of low-dispersion glass, used in high-end optical devices. Their main function is to reduce chromatic aberration, which is the splitting of light manifested by colored borders around contrasting objects. With ED lenses, the image is clearer, sharper and has better color reproduction - especially at the edges of the field of view and when observing high-contrast objects.
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