10/19/2021 0 Comments Vivitar Lens Serial Numbers
For the last couple of days I have been playing with this lens on my NEX-6, thanks to a M42-NEX adapter. Here are three shots taken with that lens. When looking at the first shot as a full-screen image, it was clear that there was some barrel distortion, but it only took about 20 seconds to correct that in Lightroom - at least to a degree that satisfied ME. YMMV, of course.Kuzano wrote: Serial numbers are often encoded with actual builder source (mfr), build date, and other information. Conveniently for photographers, the first two digits of the lens serial number identified the manufacturer, and the prevailing wisdom was that lenses with serial numbers starting with 22 were excellent. These lenses were made by a Japanese company called Kino Precision, which also sold its lenses under its own label of Kiron.The next number is the year of manufacture, but a 4 could stand for 1974, 1984, or 1994.If the value given on the barrel is in different units, it will be shown in Notes e.g., "5cm". F: Focal length, in millimeters. This is approximate and sometimes hard to establish. Year: Year the lens was introduced. Sometimes the same model name is shared between entirely different lenses e.g., 58mm and 75mm Biotar.
Vivitar Lens S Serial Numbers Starting WithFinish: Useful for identifying of different versions of a basically the same lens: Bk (black), BP (black plastic), Sv (silver: chrome, usually over aluminum or steel), A (aluminum), S (steel).Data on lens finish may be incomplete and sometimes inaccurate this is hard to avoid. For lenses without filter thread, B stands for bayonet P for the push-on filter size. Thr: The front filter thread, in millimeters. D: Minimum focus distance, in meters (converted from feet if necessary). Note that for some lenses which I did not try out myself, a M may be shown, while the lens is actually of the C type. Mac bootcamp for cas/n: Serial number of the best-known example, with the source shown as: (W) my own collection, (AR87) Aguila & Rouah book.
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