wich objective should i buy???
Sigma 10mm f2.8 fisheye --> 490
http://www.sigma-foto.de/cms/front_content.php?client=1&lang=1&idcat=53&idart=274
or
Sigma 70-200mm f2.8 tele --> 630
http://www.sigma-foto.de/cms/front_content.php?client=1&lang=1&idcat=36&idart=276
i need help .___.
xD