Powerful BAK4 20X50 Long Range Binoculars

Engineered for long-distance observation, the DF20x50 binoculars deliver extreme 20x magnification combined with large 50mm objective lenses. This high-power optical configuration is designed for observing static targets, stargazing, and long-range wildlife spotting, pulling distant subjects in much closer than standard 8x or 10x models.

BAK-4 Prism and FMC Optics
The internal optical path utilizes premium BAK-4 glass prisms, which eliminate internal light scattering and provide a perfectly round exit pupil. The lenses are Fully Multi-Coated (FMC) to maximize light transmission through the large 50mm objectives, ensuring bright, high-contrast images during early dawn or late dusk conditions. This precise optical alignment significantly reduces eye strain and viewing fatigue during extended observation sessions.

Central and Diopter Focusing System
Acquiring a sharp image is achieved through a dual-focus system. The large central focusing wheel adjusts the focus for both barrels simultaneously, allowing for rapid target acquisition. The “detached” focusing feature refers to the independent right-eye diopter ring, which lets the user compensate for natural vision differences between their left and right eyes, ensuring perfectly synchronized focal clarity.

Durable, Weather-Resistant Chassis
Built around a rigid internal metal frame, the binoculars are protected by a shock-absorbing, textured external armor that ensures a secure grip in humid conditions. The unit carries an IPX4 water resistance rating, meaning it is thoroughly protected against light rain, mist, and splashing water from any direction.

(Note: Due to the extreme 20x magnification, minor hand tremors will be magnified in the viewfinder. Resting your elbows on a solid surface or mounting the binoculars to a tripod is recommended for the most stable viewing experience).

Technical Specifications