I'm having trouble getting sharp images taken with my Canon 500D, the camera are attached to an original T-adapter from Meade.
I have a Meade LX90 8 "that I have collimated as accurately as possible, I have tried to take a picture of the collimation ring, but the picture of it will not be good because I find it difficult to get a sharp focus, but you can reasonably see the rings are concentric.
I use BackyardEOS to achieve as sharp a focus as possible, but it will not be better than what you see in the picture of the moon.
When I just look through the telescope without the camera, I do not experience this phenomenon, so the picture is very sharp.
The camera takes sharp pictures when I put on a lens as you can see.
What am I doing wrong with that camera, are there any settings I have not put right?