Kruger Optical Calderra Single Hinge Extra Wide Field of View Binoculars 8x42 #61310 Free Shipping! Caldera Roof Binoculars, by Kruger Optical, were engineered for performance. Designed with an innovative eyepiece, these binoculars enjoy an ultra-wide field of view with superb image quality. ED glass, BBAR coatings and phase-coated Bak-4 prisms create a vivid, true image. A patented, single-hinge ergonomic design allows for easy one-handed use, even with gloves. Made from cast magnesium and easy-grip rubber armor, these binoculars are rugged and lightweight. Features:- Lightweight rugged magnesium body- Ultra-wide field of view- Fluorite low-dispersion objective glass- Push-in locking diopter for one-handed operation- BBAR coated optics- Long eye relief- <1.5 meter close focus- Hydrophobic, scratch-resistant external lens coating- Phase coated Bak-4 prisms- Waterproof/fogproof/nitrogen-processed- Patent-pending all-season, breathable neck strap with warming pockets (insert commercial hand warmers for winter comfort; insert ice pack for summer)- Protective molded case included- U.S. engineeringSpecifications:- Power: 8x- Objective: 42mm- FOV at 1000yds: 438' (8.3 deg)- Close Focus: <5 ft.- Eye Relief: 18.5mm- Height: 5.25 in.- Weight: 25 oz. Shipping Weight: 2 lbs. 4 oz.
