09-20-2011, 11:39 AM
As expected another superachromat.
http://www.lenstip.com/318.5-Lens_review-Sigma_105_mm_f_2.8_EX_DG_OS_HSM_Macro_Chromatic_aberration.html
http://www.lenstip.com/318.5-Lens_review-Sigma_105_mm_f_2.8_EX_DG_OS_HSM_Macro_Chromatic_aberration.html