On my Canon 70D there's a considerable lag during the change of aperture when pressing the depth of field preview button. This lag also occurs during video recording, which causes the video to halt ...
I just mounted the 80-200mm AF-S 1:2.8D on my D800, the aperture ring is set to f/22 and locked. But now when I try to change the aperture in Manual and Aperture mode in my camera it doesn't change ...
In many answers to questions about different aspects of really large aperture lenses it's pointed out that the lens mount sets a hard limit on the maximum possible aperture of the lenses to that ...
I am currently on a trip and I brought an 18-135mm lens and a 35mm prime as my two lenses for the trip. When I took my zoom out of my backpack off the plane and put it on my camera, I immediately ...