I thought that at first but the specs for the D4 say if focuses at F8.Never used them on a D4 but I suspect that the D4 needs below f8 to make use of the centre AF points ... on the long end the Sigma will be f6.3 and I think that means with the TC it will be at over f8
When you fit the Sigma + TC does the D4 register f8?I thought that at first but the specs for the D4 say if focuses at F8.
It shows f9 but so does my D750 and it works
D4 visits Japan?Just a update. I phoned Sigma UK they asked if the frimware on lens and camera was up to date, it is. They then contacted the tec department in Japan who have said that the D4 should work with the lens and converter. End result is they have told me if I want to send in the lens, camera and TC they will see if it can be sorted.
If I send it. I don't fancy being without camera and lens for goodness knows how long.
I had the same with 2 year 11 months old sport model , took exactly 4 weeks came back with same serial number but I think it was brand new .cant really fault themI had a 150-600mm go to Japan as it wouldn't focus properly at the long end, took 3 months.