Canon Community

I have the Canon EOS 4000D and when using the wide angle lens or the telephoto lens, I get this dark vignetting effect.  Can someone tell me why this is happening and how I can stop it from happening?  I'm sure it's something I'm doing wrong but I do...

Has anyone else had an issue getting the camera to connect to anything via wifi?   I have had this camera for about a month and I have so far not been successful in connecting it to my phone.  I have followed the instructions to the letter and I alwa...