When you look through your viewfinder and things seem a little bit blurry or lacking definition, it’s probably because you are using an “el cheapo” lens. So you read reviews and buy a much more expensive lens, and what do you do next? You don’t go out to learn about composition and lighting to make better pictures. No. If you are a conscious and professional photographer, you start pixel-peeping to rationalize your expensive purchase. And what do you find then?…