I see Canon offers a 12 and 25mm macro extension, is there a way to calculate the difference in what these will offer for a 50mm prime? How much closer will they allow focusing? Will one hurt long ...
I'm thinking of starting some amateur macro photography, and I'm not sure I want to go with macro lenses, due to their price. I currently have the following lenses: Canon EF 50mm f/1.8 II Canon EF ...
As far as I understand all three options help you do macro photography but are their other reasons for having the three different items? I figured reversal rings and extension tubes were just for the ...