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 ...
Your article "What apertures are required to enable autofocus, including cross-type or high-precision focusing, on Canon DSLR cameras?" is most useful. Would the new Canon autofocus technology, in the ...
When I push the LCD view display button, if I take pics from the screen--not looking through the viewfinder--it fails to show an image to take the pic. If I switch settings to video it does display ...