![]() ![]() 60/3.5, taking and viewing lens of the f/3.5 Eye 44.60/2.8 Olympus D.Zuiko, 4 elements, taking and viewing lens of the f/2.8 Eye 44.Ī single lens was made in Exakta mount see Zuiko 4cm f/3.5 for Exakta.Ī small range of interchangeable lenses in 42mm screw mount was developed for the Olympus FTL see 42mm screw lenses for further details.Ī large range of interchangeable lenses for the 35mm OM system was developed over a period of thirty years see Olympus OM lenses for further details. Other Zuiko lenses may have been remounted for Leica by third-party workshops (see the high-aperture lenses below). See Four-Thirds lenses for further details.Ī range of interchangeable SLR lenses for the half-frame Pen F system - see Olympus Pen F lenses for further details.Ī single lens was made in Leica screw mount see Zuiko 4cm f/2.8 for Leica. perhaps some Semi Minolta III by Chiyoda KogakuĪ range of 'Zuiko Digital'-branded lenses developed for the Four-Thirds digital SLR system.The Zuiko lenses were also mounted on some cameras made by other Japanese companies: Zuiko Digital series for the Four-Thirds system: see Four-Thirds lenses.Olympus Standard lenses: see Olympus Standard.Leica screw lens: see Zuiko 4cm f/2.8 for Leica.Exakta lens: see Zuiko 4cm f/3.5 for Exakta.M42 ( FTL) series: see 42mm screw lenses.A similar announcement appeared in Asahi Camera. Īnnouncement in Shashin Kōgyō November 1953, explaining the new numbering scheme without No. The Olympus company placed an advertisement in the November 1953 issues of Asahi Camera and Shashin Kōgyō to explain the matter. prefix and with a serial number reset at 100001 - were fake. ![]() This apparently caused some confusion to customers who feared that the new lenses - without No. 7.5cm f/3.5 of the Olympus Chrome Six III, successively received the two numbering schemes. Some lenses mounted on Olympus cameras, such as the Zuiko F.C. starting at 400000 for the Elmoflex III-F. ![]() The lenses mounted on Olympus products had their numbers reset at 100000, and those sold to other camera manufacturers had higher batch numbers, e.g. In 1953, the common sequence was dropped, and each lens type received its own number sequence, distinguished by the absence of the No. All these numbers were engraved with a No. at 300000 (for the Olympus Chrome Six III) and 370000 (for the Elmoflex). The original sequence went well past 120000, and further batches were started, e.g. There were a few jumps in the sequence, which was notably reset at 20000 when production was started again after 1945. the XA-3 and XA-4).Įarly Zuiko lenses were numbered in a single sequence, starting at 1000 or 1001 with the 75mm f/4.5 lens of the Semi Olympus. Olympus began to phase out these letter designations when introducing new products in the early 1980s (e.g. The letter's placing in the alphabet corresponds to the number of elements present - so a D.Zuiko lens has 4 elements, and a F.Zuiko has 6. D.Zuiko or F.Zuiko) it represents the number of optical elements in the lens. Where a lens is denominated with a letter before the Zuiko name (e.g. The name was adopted after a contest open to the company employees, being a contraction of the first characters of "Mizuho Kōgaku Kenkyūjo" (瑞穂光学研究所, meaning Mizuho Optical Research Institute), name of a branch of Takachiho Seisakusho (the later Olympus) founded to develop the camera lens. Zuikō is written 瑞光 in Japanese and can be translated as "auspicious optics" or "auspicious light". ![]()
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