mamiya C33 film advance

Hello! Bought a mint C33 and 180 lens separately. The film advance seems to work fine without the lens on but when I install the lens the lever will only turn slightly but does advance the film with repeated back and forth motion. I downloaded a manual for the camera but instructions are somewhat vague regarding lens installation. I hope there is a simple solution and I am not doing something correctly rather than a problem with the camera. Maybe someone else has encountered this and can advise me. I can only hope. Many thanks in advance. T

There are a few chrome series 180mm lenses that have problems on the auto-cocking bodies (C33, C330/f/s). The Seikosha-MX shutters have the cocking lever in the wrong place, and this a different angular travel from the later designs. These lenses were designed with the Mamiyaflex C and C2 in mind.

Most Seikosha-S shutter 180mm lenses will operate fine. There are a few where the shutter housing fouls the cocking and release mechanisms, but that doesn't seem to be your problem.

So you may have one of the very few lenses in the Mamiya TLR system where there is an incompatibility.

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terry egan said:

Hello! Bought a mint C33 and 180 lens separately. The film advance seems to work fine without the lens on but when I install the lens the lever will only turn slightly but does advance the film with repeated back and forth motion. I downloaded a manual for the camera but instructions are somewhat vague regarding lens installation. I hope there is a simple solution and I am not doing something correctly rather than a problem with the camera. Maybe someone else has encountered this and can advise me. I can only hope. Many thanks in advance. T

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My C330f has never had a problem like this. There is a caveat in Clyde Reynolds, "The Mamiya Book for twin-lens reflex users", focal press, 1977 which states, "Be careful when mounting this lens, that the spring-loaded, shutter-cocking connector does not jam against the body's cocking lever on the C33, C330, and C330f." No further explainaions is available. I just gave mine a try without any problem. Maybe, as grahamp stated, you have a "different" 150.