04-30-2012, 08:31 PM
http://www.lensrentals.com/blog/2012/04/...comparison
Stellar result with 30 f2,8 sigma (that I've on 5n and it's really sharp corner to corner at 2,8) but not from 24 f1,8 wide open (it's worst than 16 f2,8 <img src='http://forum.photozone.de/public/style_emoticons/<#EMO_DIR#>/blink.gif' class='bbc_emoticon' alt=':blink:' /> , here 30 f3,5 it's a good lens even wide open ......mmmmm, there's something strange <img src='http://forum.photozone.de/public/style_emoticons/<#EMO_DIR#>/biggrin.gif' class='bbc_emoticon' alt='
' />
Stellar result with 30 f2,8 sigma (that I've on 5n and it's really sharp corner to corner at 2,8) but not from 24 f1,8 wide open (it's worst than 16 f2,8 <img src='http://forum.photozone.de/public/style_emoticons/<#EMO_DIR#>/blink.gif' class='bbc_emoticon' alt=':blink:' /> , here 30 f3,5 it's a good lens even wide open ......mmmmm, there's something strange <img src='http://forum.photozone.de/public/style_emoticons/<#EMO_DIR#>/biggrin.gif' class='bbc_emoticon' alt='
' />