Manfrotto 190CL lens mount_Mamiya 6 These are auto-diaphragm tubes with

These are auto-diaphragm tubes with a stop-down passthrough system

and minor internal dust

It's small enough to take almost anywhere

Want to replace your inconvenient

in excellent cosmetic condition except for one darned dent in the edge of the aperture ring which doesn't affect function

Manfrotto 190CL lens mount_Mamiya 6 These are auto-diaphragm tubes withThe 190CL is a well made tripod with easy to use flip lock legs, repairable hardware, and a sturdy, classic design. Extends to about 5 feet without centre column. Accepts any head with a standard 3 8" thread. In excellent cosmetic condition, with minor finish wear.