We don't know the extent of the problem hence we discuss it on an appropriate forum to find out if this is an isolated incident or is it more widespread. Once we have gather enough information THEN we can take our issue, if there is one, to Canon for...
I have been taking photographs for more than 50 years, all through the OVF. I was disappointed at the focus achieved by my 90D when using the OVF. If I was aware of this issue when I was looking for a new camera I would have avoided the 90D. Liveview...
