Firefield 10x42 FF12020 Binoculars – BaK-4, IPX4
Firefield 10x42 FF12020 Binoculars – BaK-4, IPX4
- Brand:Firefield USA
- Product Code: 10x42
- Availability: In Stock
64.00 € / 125.17 лв.
76.00 € / 148.64 лв.01 11 2026 15 11 2026
Discover more in every landscape. The Firefield 10×42 FF12020 binoculars combine fixed 10× magnification, 42 mm objective lenses and high-quality BaK-4 prisms in an optical instrument designed for wildlife watching, nature exploration, birdwatching and observing distant scenery.
Fully multi-coated optics, an ergonomic rubber-armoured housing, adjustable eyecups and weather-resistant construction provide a practical balance of optical performance, comfort and reliability during outdoor activities.
Firefield 10×42 is designed for people who want to experience nature with greater clarity and freedom. Its 10× optical magnification brings distant subjects closer without the need for batteries, electronic image processing or digital screens.
The combination of 10× magnification and 42 mm objective lenses is a popular configuration for versatile outdoor binoculars. It offers detailed observation while maintaining manageable dimensions and a useful field of view.
A field of view of 102 metres at a distance of 1000 metres makes it easier to explore woodland areas, mountain slopes, open terrain and wildlife in motion. The central focusing wheel allows image sharpness to be adjusted according to the viewing distance.
Detailed observation of distant objects, wildlife and natural landscapes.
A practical balance between size, light-gathering ability and portability.
A prism system that contributes to clear images and good contrast.
Anti-reflective coatings designed to reduce unwanted reflections and improve light transmission.
A practical viewing area for exploring the landscape and identifying distant details.
Twist-up eyecups allow the viewing position to be adapted to individual comfort.
Weather-resistant construction suitable for normal outdoor conditions.
Rubber-armoured housing for comfortable handling and additional everyday protection.
Central focusing wheel with an additional dioptre adjustment for personalised viewing.
Viewing quality depends on more than magnification alone. The optical materials, lens coatings and focusing precision all influence how natural and detailed the observed image appears.
BaK-4 is a type of optical glass used in quality prism systems. It supports efficient light transmission and helps produce an image with good clarity and contrast.
Fully Multi-Coated describes multiple anti-reflective coatings applied to the optical surfaces. They reduce unwanted reflections and support better image contrast.
Combined with the 42 mm objective lenses, this optical system offers practical performance for daytime observation and changing natural lighting conditions.
The Firefield 10×42 features an ergonomically shaped body with a rubber-armoured surface that improves grip and handling comfort. This is particularly useful during walking, field observation and use with gloves.
Twist-up eyecups can be adjusted by rotation, allowing the position of the eyes relative to the eyepieces to be adapted to individual preference. Eye relief is 14 mm, while the interpupillary distance can be adjusted between 54 and 72 mm.
The central focusing mechanism and separate dioptre adjustment allow the viewing experience to be tailored to individual eyesight.
IPX4 protection allows use in conditions involving water splashes and moderate outdoor moisture, making the binoculars practical for nature observation.
The rubber coating offers a secure grip and helps protect the housing against minor mechanical impacts during everyday use.
The nitrogen-filled construction helps reduce the risk of internal condensation during changes in ambient temperature.
A practical optical instrument for observing wildlife, terrain and distant natural details.
Ideal for sightseeing, hiking routes, panoramic viewpoints and observing distant scenery.
Tenfold magnification helps distinguish the shape, behaviour and details of birds from a distance.
| Specification | Value |
|---|---|
| Brand | Firefield |
| Model | 10×42 Binoculars |
| Manufacturer code | FF12020 |
| Type | Optical binoculars |
| Magnification | 10×, fixed |
| Objective diameter | 42 mm |
| Prism glass | BaK-4 |
| Optical coatings | Fully Multi-Coated |
| Field of view | 102 m at 1000 m |
| Angular field of view | 5.8° |
| Exit pupil | 4.2 mm |
| Eye relief | 14 mm |
| Close focusing distance | 5 m |
| Focusing system | Central focus |
| Dioptre adjustment | −4 to +9 |
| Interpupillary distance | 54–72 mm |
| Eyecups | Adjustable twist-up |
| Relative brightness | 17.64 |
| Twilight factor | 20.5 |
| Resolution | 7.5 arcseconds |
| Water resistance | IPX4 – splash resistant |
| Filling | Nitrogen |
| Housing | Ergonomic, rubber-armoured |
| Dimensions | Approximately 152 × 154 × 51 mm |
| Weight | Approximately 581 g |
| Colour | Black |
| Power supply | Not required |
- Firefield 10×42 FF12020 binoculars.
- Protective carrying case.
- Carrying strap.
- Protective lens caps.
- Optical cleaning cloth.
The package includes the essential accessories for carrying, storing and maintaining the binoculars.
To maintain the optical performance, remove loose dust from the lenses with a suitable brush or air blower before cleaning them with a soft optical cloth. Use cleaning products specifically intended for optical surfaces.
After use in damp conditions, dry the exterior surfaces and allow the binoculars to air before placing them in the carrying case. Avoid immersion in water, strong impacts and prolonged storage in high humidity.
Important safety information: Never look directly at the Sun through binoculars or any other magnifying optical instrument.
Discover Firefield products at MoskovHunt, including optical equipment and accessories for various outdoor activities.
Firefield 10×42 FF12020 is a practical addition to outdoor and hunting equipment for people who prefer traditional optical observation without batteries or complicated electronic settings.
10× indicates the optical magnification, while 42 mm is the diameter of each front objective lens.
Firefield 10×42, manufacturer code FF12020, featuring BaK-4 prisms.
They are optical prisms made from a special type of glass used to support image quality and efficient light transmission.
102 metres at 1000 metres, equivalent to approximately 10.2 metres at 100 metres.
Yes. Tenfold magnification and central focusing make them suitable for observing birds, wildlife and natural landscapes.
IPX4 protection provides resistance to water splashes. The binoculars are not intended for immersion in water.
Yes. They feature dioptre adjustment, central focusing and adjustable interpupillary distance.
No. Firefield 10×42 are conventional optical binoculars and require no electronic power supply.
Yes. The package includes a carrying case, strap, protective lens caps and cleaning cloth.
For information about the binoculars, product availability, online ordering and delivery, contact the MoskovHunt team. We will help you choose a suitable optical instrument for your outdoor observations.
MoskovHunt · 37 Tsar Simeon Street, 5900 Levski, Bulgaria.
Online ordering and courier delivery according to current product availability.
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