what happens if you want to calibrate a tamron lens with a 7D body? i understand that CSC most probably will not calibrate it but is there anywhere that i can calibrate it? i am current using microadjustments to solve my front focus problem with 17-50.
Not sure abt tamron. As for sigma, you can bring back to Sigma distributor to do calibration. Got to make appointment and bring down the cam.