I have been getting increasingly confused about which is a better prime lens to buy, and which will be auto focus and easy to use. Basically I want to get some clean shots of artwork for my laptop. I am currently using a 18-200mm with super results, but it isn't as sharp as I would like. What lens can I use to get clear, stunning results?
I hear the sigma 30mm f/1.4 is the bomb at f/2.8, and is really sharp crisp even at the edges. Any suggestions?