8x42mm Engage(TM) Binocular - Black Roof Prism ED/FMC/UWBSee more of the field at once, whether it&';s at the range or on the hunt.Features: ED Prime Glass - Bushnell&';s highest quality glass delivers amazing color, resolution and contrast, even in low-light conditions. Exclusive EXO(TM) Barrier Protection - Bushnell&';s best protective lens coating molecularly bonds to the glass, repelling water, oil, dust, debris and preventing scratches. Dielectric Prism Coating - Applied to the prisms, it ensures vivid color reproduction and allows 92% light transmission for bright images. PC-3 Phase Coating - Applied to the prisms, it enhances resolution and contrast. Specifications: 8x42mm Field of View: 426/142 Length: 5.5/140 Weight: 23.5/666 Eye Relief: 19mm/0.748in Exit Pupil: 5.3mm/0.209in Close Focus: 6F/2M Eye Cups: Twist-Up Prism System: Roof Prism Glass: BAK-4 Lens Coating: Fully Multi-coated Protective Lens Coating: Exobarrier Waterproofing: IPX7 ED Prime Glass: Yes PC3 Phase Coating: Yes Dielectric Prism Coating: Yes Ultrawide Band Coating: Yes Lead-Free Glass: Yes Locking Diopter: Yes Permafocus: No Image Stabilization: No Adapts to Tripod: Yes Color: Black WARNING: This product can expose you to chemicals including Chromium (hexavalent compounds) which is known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov. Specifications: Compass: No Field of View @ 1000 YDS: 426 Magnification: 8x Objective Lens Diameter (MM): 42 mm Waterproof Rating: Waterproof Weight (oz): 23.5 oz. Box Dimensions: 3"H x 9"W x 9"L WT: 2.5 lbs UPC: 029757002334 Brochure (pdf)