Inconsistent aperture rings

Started Apr 2, 2014 | Discussions thread
ljclark Senior Member • Posts: 2,415
The REAL Answer for the Unmarked 10-24 Aperture Ring...

It has no markings because there are no stops to the aperture ring.  It just turns and turns -- either direction.  It does click.

This is an internal design decision and I suspect the diaphragm is deeply buried in the lens body and there is no physical connection.  Someone who understands switch logic can probably explain this better than me.

 ljclark's gear list:ljclark's gear list
Fujifilm X100F Nikon D500 Fujifilm X-Pro2 Sigma 50-150mm F2.8 EX DC APO OS HSM Sigma 120-300mm F2.8 DG OS HSM +41 more
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