Mike_Italy
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Here a trial using my a6300 and the canon afs lens coupled using sigma mc11.
Sigma mc11 is not designed for efs mount so the usual mod is to cut the lens part that protude avoiding its usage.
Here instead i used the approach suggested by Gigioschi that is based on the (reversible) mc11 modification. Basically it is emough to remove the inner black part of the adapter to have the job done. See top picture.
After removing the inner black part the efs lens fits perfectly and the result is shown in my second picture.
Then the performances:
Wery good endeed. Sharpness is very good and af in good light is good and consistent too. I was expecting good results based on the good review this lens has. I had some. Concern about stabilization and af but both works fine (af s only though but you cannot expect same af options as native lens has).
I compared the sharpness of canon at 250mm with my sony 18 105 at 105 cropped to emulate 250mm) and the difference is massive in favor of canon lens.
Brief othr tests shows similar result in the overlapp fl (55-105mm) .
Now when i need more reach i have a good tool to do that.
Hope this is useful to someone.
Ciao















