Canon Community

I have noticed that when I attempt to straighten photos (especially of buildings), they never seem to line up properly due to curving on the sides. I realize that this is probably the curve of the lens, but I am wondering if there is a setting or wor...

Greetings all! I am a very new photographer and think I may have gotten something on my sensor. I called a local place that cleans them but they gave me contradicting information: First he said that the spots in my photos should not change size regar...