Schneider 80mm 2.8 LS vs Sigma 50 1.4 art
Recently I purchased a Sigma 50mm 1.4 art for my back-up Nikon system (I use D800 as back-up for my Phase One IQ140). This lens is pretty impressive and I love it. I won’t start a thread about this lens – they are already a lot of reviews on the web. But I took the time …