AF contra MD Minolta mount
John Knuhtsen wrote:
I own a manual zoom from Carl Zeiss Jena, 75-300.
I have tried to adapt on Nex6 with 2 different MC/MD adapters with no success.
I found a comment on the net about it:
The copy I own is a Carl Zeiss Jena 35 - 70mm 1:3.5 - 4.5 with Minolta AF mount.
It works perfectly on a new Sony Alpha. I found some evidence about at least tow other Carl Zeiss Jena Minolta AF- mount lenses with different zoom- range.
I heard, that these lenses were made in a join- venture- project between VEB Carl Zeiss Jena and Sigma in the period 1989-90. This project was probably ended when Carl Zeiss (West) was taking over Carl Zeiss Jena in 1990/91.
As far as I concern, a very few number of pre- production copies were made.
It seems as they where aimed as a premium line for Sigma.
On my personal tests IQ and build quality is on an equivalent level as the Minolta 35-70mm F4 (in other words very good) but with a minimum focus distance of 500mm (Minolta 1000mm in AF- mode)
I would not try to over- appreciate it’s IQ (on digital) but for a 20 year old lens that was designed for film it is very good.
Is AF mount with a very different bajonet ?
I recall reading (a while ago) that there was an MD to MA adapter with AF. Not sure about it being true.
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