Did You Know That Canon Has Three Different Sizes of APS-C Sensor?
I thought I’d write a quick post about this because it caused me some confusion recently while I was creating some resources on calculating field of view and angle of view for camera lenses. The calculations for this require the dimensions of a camera’s sensor, and while working on the data list for Canon lenses I couldn’t figure out why my numbers weren’t quite matching some of those that I had come across on Canon’s own website. A little digging back through archives revealed to me that Canon actually uses three different sizes of APS-C sensor, although I wasn’t able …