I have a Nikon D90 camera body and today I started getting a CHA error on the display on the top of the body that shows f-stop and other settings. Looking around, I do not find a definition for ...
Over the last few months, I have noticed a problem with the shutter release on my D90. Most of the time, the shutter release works ok. But sometimes, both half-press and full-press fail to work. ...