All optical products that have passed these rigorous standards are tagged PASSED by the Government s Japan Telescopes Inspection Institute. = Checkup On Quality - JAPANESE BINOCULAR INSPECTION INSTITUTE Binoculars from Japan are rigidly inspected to make sure that every component is of top quality and that all mechanisms are in perfect working order. We are looking for the manufacturers represented by the missing numbers 65, 66, and 209. A second, later, list added further companies the earlier list used 'Kogaku' and the later list used 'Optical'. This list was obtained by Bill Beacom, who arranged for its translation, and converted to electronic form by Fred Schwartzman. 'Combining the letters L and J (standing for Light Machinery of Japan).on the shoulder hinges or support strut of all approved binoculars manufactured in Japan since November 1959.' The JBEPA had their US office in the Japan Trade Center, 393 Fifth Ave, NY. The J symbol has a small horizontal line extending from the middle of the J, and is explained in a pamphlet from the Japan Binoculars Export Promotion Association, _'63 Binoculars From Japan_. 'JB' and two or three digits identifies the manufacturer of the finished binocular, and 'JE' identifies the maker of the body. Most Japanese binoculars from the 1960s and several decades later carry one or two tiny marks on the body, about 2 mm in height, frequently adjacent to the hinge axis on the rear, between the objectives. The full-width rubber eye shield that screws on to the top shoulders has been removed.The Nikon 20x120 binocular has the OG barrels cast in one piece to give maximum rigidity, ensuring the best chance of maintaining collimation under arduous conditions.The blc (Zeiss) 8圆0 has an outstanding performance and was much favoured by commanders and captains of the Kriegsmarine.A 1919 Carl Zeiss 8圆0 wide angle binocular which was one of the first of its type.1 Japanese Manufacturer's Codes for Optical Products. Air-spaced object lenses are used and an interesting feature is the spring-loaded pawls that lock the eyepieces once focused.Giving superb, wide-angle performance, this Bausch & Lomb 7x50 Mk.41 binocular weight 2.10kg) was used by the U.S.Navy in WW2. The eyecups shown replaced the original, ruined rubber winged eyecups. Tricky to service, this complex instrument incorporates a split rhomboid prism.This WW2 Nikko 10x70 (weight 2.306kg) was used by captains and fire control officers of the Imperial Japanese Navy (IJN). It was fitted by dovetail to the rear of a German machine gun and the eyepiece can swivel sideways. Wichmann, Berlin) prismatic telescopic sight. It has a 90° eyepiece, built-in filters and can have its graticule illuminated.A WW2 cme (Gegr.

Japan binocular manufacturer codes