Why does Nikon D90 makes strange sound and shifts Mirror in Viewfinded Eyepiece after Shutter-release button is pressed
Recently I have noticed that my Nikon D90 makes a strange sound and sort of shifts mirror up if you look at the viewfinder eyepiece after you release the shutter-release button. If you try to shoot ...
Once in a while, my recently acquired used D90 doesn't respond to the press of the shutter release button. Half-press, full-press, neither works. I make sure the Automatic/Manual focus switches are ...