This SIGMA lens has a 0.31-metre minimum focusing distance and a 105 mm maximum focal length. The aperture of the lens is minimum ƒ/22 and maximum ƒ/2.8.
From London Camera Exchange
Sigma 105mm F2.8 EX DG MACRO OS HSM - For Canon
Ecprof
258954 - 105mm f/2.8 EX DG HSM Macro Lens for Canon EF Mount
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