Which lens would capture better macro images on the nikon D5100: Sigma 150mm f2.8 EX OS DG Macro Lens - Nikon AF OR Sigma 105mm f/2.8 OS EX DG Macro HSM Lens - Nikon AF?
(e.g http://500px.com/photo/83624085/salticidae-by-hua-ming-lee)
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