How do you tell when the OS is active on Sigma lens?
With Tamron the focus point stabilises in the viewfinder but with my new Sigma I can't see any change in the viewfinder, hear any motor noise or any other indication that it is working, or not.
How do you tell when the OS is active on Sigma lens?
With Tamron the focus point stabilises in the viewfinder but with my new Sigma I can't see any change in the viewfinder, hear any motor noise or any other indication that it is working, or not.