Auto Extension Tubes Mamiya extension tubes are precision machined for close up and macrophotography. They are fully meter coupled for automatic or manual exposure. The three automatic tubes can be used individually or in any combination. It may be used with all lenses from 55mm, except zoom lenses. Some vingnetting may occur with lenses 150mm and upwards. No 1 = 11.8mm extension - JP Code�904076 Mamiya 304061� No 2 = 23.6mm extension � JP�Code�904078���Mamiya 304062 No 3 = 35.4mm extension � JP Code 904080 Mamiya 304064
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