ultimatebob
Lifer
Heh... "had me at hello". 🙂
Translating that to English... Most of the cheaper (Under $2,000) SLR cameras have a reduced size image sensor, which effectively multiplies the focal length of your lenses by 1.6. So, a 200mm lens actually behaves more like a 320 mm lens, and a 28mm lens behaves more like a 45mm lens. This isn't a special Canon only thing, either... The cheaper Nikon and Pentax cameras work the same way.
Basically, It's great for increasing the zoom on your telephoto lenses, but it decreases the capability of your wide angle lenses.
Translating that to English... Most of the cheaper (Under $2,000) SLR cameras have a reduced size image sensor, which effectively multiplies the focal length of your lenses by 1.6. So, a 200mm lens actually behaves more like a 320 mm lens, and a 28mm lens behaves more like a 45mm lens. This isn't a special Canon only thing, either... The cheaper Nikon and Pentax cameras work the same way.
Basically, It's great for increasing the zoom on your telephoto lenses, but it decreases the capability of your wide angle lenses.