As you slide the zoom ring away from the camera body (towards the 70mm end of the zoom movement), the lens-to-film (sensor) distance increases allowing you to achieve a higher magnification. ".moving elements that change the position of the optical centre of the lens. press the selector switch lock button and turn the macro selector switch counter-clockwise.Slide the zoom focus ring towards the mount to the 210mm position.Optical construction (elements / groups) 15/10 1981 by the Tokina made 37xxxx version.Įarly versions don't have VMC "Vivitar Multi Coating" on the nameplate, and there were small structural revisions over the production period - see this thread.įield of view 43-12deg (full frame ie 35mm) But this was pre-PKA so doesn't exist in PKA. 0=1980, 1=1981.Ĭan be found in all the mounts of the era including PK and M42. The third number in the serial indicates the year of manufacture: 4=1974, 5=1975, 6=. Made by Kino Optical (Kiron) - 22xxxx serials. The historic and innovative first version of the Vivitar Series 1 70-210mm went on sale in 1974, and was a significant step forward in the capabilities of a third party zoom, especially its close focus mode.
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