• Material: metal, durable
• Works fine, closely combined with the bayonet smooth, like the original lens
• Full manual operation, manual focus, manual iris adjustment can be achieved with body manual exposure, aperture priority exposure, combined infinite focus
• For Tamron Adaptall 2 lens mount over to the SNY NX camera

Remark                                                                              

For Some of camera, Need to set your camera in ' SHOT WITHOUT LENS ' MODE