I have a Sony NEX-5R with two prime lenses: 19mm F2.8 Sigma, and 35mm F1.8 Sony. I'd like to compare these two lenses to see why the second lens cost me more than twice the first, what the differences ...
Focal length is the only factor that decides whether a lens is described as being normal or wide angle. Below which focal length are lenses considered to be wide angle? Is this focal length the same ...