10x42 Large Eyepiece 100% Waterproof Durbin Binoculars With ED Glass
Parameter:
Item | 10x42 ED Binoculars | Magnification | 10x |
Objective DIA. | 42m | Optical Material | All lens optical glass |
Field Angle | 6.5 | Coating Condition | All lens Fully-Coated |
Field of View | 114m / 342ft. | Number of lens | 5 pieces and 3 groups |
Exit Pupil DIA. | 4.2mm | Focus system | Center focus |
Relative Brightness | 17.64 | Eyecups | Rotating stretch glasses |
Objective lens | 4E3G | Interpupillary distance | 58-73mm |
Ocular Lens | 5E3G | Body Style | Semi-aromatic thermoplastic |
Prism | Roof Bak-4 | Unit Weight | 718g |
Eye Relief | 15mm | Size | 130x60x150mm |
Features:
1. Fully multilayer coated lens + phase correction coating + anti-reflection coating. The ED binoculars has a 10x magnification and a 42mm objective lens, and is optimized with selected glass elements to achieve excellent resolution, avoid chromatic aberrations and ensure excellent color fidelity, clarity and light transmittance.
2. High index BAK4 prism prevents losing light through the optical system for undeniable brightness, while the FMC green film optics glass lens with high transmission coatings creates stunning images and protect your eyes.
3. IPX7 waterproof and fog proof. Rugged body completely prevents moisture, dust and debris from entering the optics. However wet the conditions get, the rugged rubber armor gives you a sure grip while absorbing shock. Never worry about your binoculars slipping out of your hands or being damaged again.
4. 10X power magnification and large field of view, specially designed for outdoor activities such as climbing, hiking, driving, watching wildlife and scenery. This power also can be used for watching large stage play, vocal concert, a football game, etc.
5. Adjustable Twist-up eyecups for Comfortable Use. Enjoy comfortable viewing even if you wear eyeglasses. Simply twist the eyecups up or down to see the full field of view. Central focusing wheel requires minimal rotation for quick, absolute sharpness from close up to infinity.