It looks like you are using an ad blocker. That's okay. Who doesn't? But without advertising revenue, we can't keep making this site awesome. Click the link below for instructions on disabling adblock.
Welcome to the Newschoolers forums! You may read the forums as a guest, however you must be a registered member to post.
Register to become a member today!
I feel liek someone here would know. I tried googling, but couldnt find anything. It seems to deal with the viewfinder. It came out of the front of the camera body as I was trying to switch lenses.
It's your focusing screen. You can change them out depending on what you want.
I have an Ef-G focusing screen for my 40D, it has grid lines which makes it easier to line up your image correctly. You can change them out if you'd like.