I want to buy and do a photos+video interview with Sigma F/1.8 24mm Fixed Prime. I did profile photos/interviews with my Sigma 85mm F/1.4 on My Sony A77 APS-C camera. I used to use F/1.7-F/2 as a ...
Possible Duplicate: How can I maximise that “blurry background, sharp subject” (bokeh) effect? How can I take shallow depth of field photos with a point-and-shoot camera? I have simple ...