Thursday, July 7, 2016

Adapter: Minolta AF to NX for Tokina Lens

I recently picked-up a 1980's vintage Tokina AF 28-70mm f3.5-4.5 lens at a pawn shop for $19 and was able to adapt it to the Samsung NX1 (Photo Below).  

This particular Tokina lens was built for Minolta cameras with a 'Minolta AF' mount. Therefore to adapt to the NX1, I purchased a  Camkitmate Sony Minolta AF MA Mount Lens To Samsung NX 'adapter' from Amazon in order to provide mounting between the lens and the camera.  

However, when I first received the adapter and mounted the lens, the camera did not recognize that a lens was mounted to the camera.  Apparently the flange thickness for the mount was not sufficient to engage a switch on the camera body to activate that a lens was attached.  

The supplier suggested a hack (fix) to build-up the flange at the contact location using aluminum-adhesive tape.  So I applied three layers of the 0.025" thick of metal tape as shown in the photo below.  

The hack worked and with the camera set in fully manual mode, the lens was recognized and I was able to operate the camera.

Photos to test this lens will be forthcoming, but a few initial test shots show the images to be somewhat soft.  But that may not be a bad thing depending to the desired look of the image.

An information sheet on the Tokina AF 28-70mm lens is provided below.

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