Problem using Nikon focusing unit on Bronica EC/S2A

[conrad_smith]

<p>Does anyone have experience using the 400, 600, 800 or 1200mm Nikkor on Bronica EC or S2A with the Nikon focusing unit attached to the lens heads?<br>

My 1200mm Nikkor attached to Nikon focusing unit #14577 for Bronica will not mount on an S2A or EC-TL because the male bayonet on the focusing unit is too far recessed to fit into the cameras' female bayonet mount.<br>

Any ideas about how to solve this problem?<br>

Conrad Smith cgsmith@uwyo.edu</p>

<p> </p>

[conrad_smith]

<p>Turns out my Bronica focusing unit for the 400/600/8000/1200 Nikon-F lens heads was an early one, designed for pre-S2 Bronicas that lacked a removable focusing heliciod. Kohs Camera solved the problem by installing a Bronica adapter that was designed to allow long lenses for those early Bronica bodies to fit on the S2/EC series. </p>

<p>I now get good results with 400mm & 1200mm lens heads on both my EC-TL and Nikon SLR bodies, the latter with the Nikon AU-1 focusing unit.</p>