Bright, Multicoated Lenses and BaK4 High Index Prisms Nikon's superior optics technology delivers bright, high-resolution images. BAK-4 prisms are considered the best type of Porro prism, as they are made of superior optical glass to produce clearer images. This translates to better light transmission and edge-to-edge sharpness. Smooth Central Focus Knob The smooth-spinning central focus knob makes it easy to precisely adjust your focus. The knob allows users to adjust the position of lenses simultaneously until the desired object appears sharp enough to view. This promises sharper images through the uses of simultaneous focus adjustment. Ergonomic Body Design The ergonomic, hand-fitting design of the Action Extreme gives a comfortable hold for extended viewing sessions. Designed for max comfort, you can be assured your hands will be comfortable and steady throughout extended periods of use. Durable Rubber-Armored Coating Action Extreme binoculars are built to handle virtually any environment you can bring them into. No matter what the weather conditions may be, you will always have a sure, non-slip grip on your binoculars, making them one piece of equipment you can always count on to perform. Action EX 10x50mm Action EX 7x35mm Action EX 8x40mm Action EX 7x50mm Action EX 12x50mm Action EX 16x50mm Add to Cart Buying Options Buying Options Buying Options Buying Options Buying Options Customer Reviews 4.4 out of 5 stars 47 4.4 out of 5 stars 47 4.4 out of 5 stars 47 1.0 out of 5 stars 1 4.4 out of 5 stars 47 4.4 out of 5 stars 47 Price $166.60$166.60 — no data — no data — no data — no data — no data Magnification 10x 7x 8x 7x 12x 16x Objective Diameter 50mm 35mm 40mm 50mm 50mm 50mm Angular Field of View (Real) 6.5° 9.3° 8.2° 6.4° 5.5° 3.5° Angular Field of View (Apparent) 59.2° 59.3° 59.7° 42.7° 59.8° 52.1° FOV at 1000 yds 341 ft. 487 ft. 430 ft. 335 ft. 288 ft. 183 ft. Close Focus Distance 23 ft. 16.4 ft. 16.4 ft. 23 ft. 23 ft. 23 ft. Exit Pupil 5mm 5mm 5mm 7.1mm 4.2mm 3.1mm Weight 36.0 oz. 28.2 oz. 30.1 oz. 35.3 oz. 36.8 oz. 36.7 oz. Relative Brightness 25 25 50.4 17.6 9.6 Eye Relief 17.2mm 17.2mm 17.1mm 16.1mm 17.8mm