The 50mm 1.8 is ridiculosly affordable. I don't know why Canon didn't just include it in addition to the kit lens for every canon DSLR camera. It's wodnerful for portaits. The lower the f stop the better, always!. THe reason why it's cheap is that the motor isnt as fast or great like the USM nor does it have IS. It's simple, but VERY good. The best bang for buck. Everyone should have one i they don't have the 1.4.
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