Firefield 10x50 Porro Binoculars
The Firefield 10x50 binoculars represent an excellent choice for all nature lovers, sports enthusiasts, and astronomy observers. This professional binocular combines 10x magnification with 50mm diameter objectives, ensuring clear and detailed images even in reduced lighting conditions. The construction with BK7 Porro prisms features anti-reflective coating that guarantees quality light transmission and minimizes light loss.
Advanced Optical System
The optical system features fully multi-coated objectives (CL/FC/BMC/FBMC) that significantly increase light transmission and image contrast. The central focusing system with internal focusing allows for quick and precise sharpness adjustment from 6 meters to infinity. The 5mm exit pupil diameter combined with a light gathering power of 25 ensures bright and comfortable observation even at dusk.
Ergonomic Design and Comfort
The Firefield 10x50 telescope offers comfortable observation thanks to rubber eyecups that can be folded down for eyeglass wearers. The interpupillary distance can be adjusted from 54-74mm, accommodating most users. Diopter correction ranging from -3 to +3 diopters allows compensation for refraction differences between both eyes. The 12.7mm eye relief ensures comfortable observation during extended use.
Weather Resistance and Durability
The binocular construction is designed with weather resistance in mind, featuring IPX4 protection rating, which means protection against splashing water from all directions. Operating temperature from 0 to 49°C allows use in various climatic conditions. Compact dimensions and weight of 838 grams make this binocular an ideal companion for trips and travel.
Performance Specifications
- Magnification: 10x
- Objective diameter: 50mm
- Prism type: BK7 Porro
- Field of view: 122m at 1000m
- Exit pupil: 5mm
- Eye relief: 12.7mm
- Minimum focusing distance: 6m
- Twilight index: 22.3
- Resolution: 7.5 arc seconds
- Weight: 838g
- Weather protection: IPX4
Versatile Applications
The high twilight index of 22.3 and excellent light gathering power make this binocular telescope ideal for observation in reduced lighting conditions. The field of view of 122 meters at one kilometer distance enables tracking of fast-moving objects, which you'll appreciate when birdwatching or observing sporting events. The minimum focusing distance of 6 meters expands usage possibilities to include observation of nearby objects.
Astronomy and Nature Observation
Quality optical elements and precise manufacturing ensure sharp and contrasted imaging across the entire field of view. The resolution capability of 7.5 arc seconds allows distinguishing fine details even at greater distances. Thanks to these properties, the binoculars are suitable not only for nature and sports observation but also for basic astronomical observation of the lunar surface or bright deep-sky objects.
About Firefield Brand
Firefield is a renowned brand specializing in manufacturing quality optical equipment for outdoor activities and observation. The company focuses on creating products that combine advanced optical technologies with robust construction and affordable pricing. All Firefield binoculars undergo strict quality control that ensures long-term reliability and performance. The brand has earned user trust through innovative solutions and attention paid to every detail, from optical element quality to ergonomic control design. Firefield consistently delivers professional-grade optics that meet the demanding requirements of outdoor enthusiasts, hunters, and astronomy observers worldwide.
