SIGMA MACRO 105MM F/2.8 EX DG OS HSM: BRAND NEW OPTICAL STABILISED 1:1 MACRO LENS

摘要

Sigma's all-new Optical Stabilised (OS) 105mm macro lens is far more than a quick reworking of its predecessor. We criticised the previous non-OS 105mm for its unremarkable focusing speed and a lack of 'bite' - despite returning a peak MTF resolution in excess of 0.3 cycles-per-pixel. Sigma's new lens answers those points and more. The 105mm macro's matte blacklens barrel feels slightly slippery but nestles nicely in the hand. The focusing ring is well-placed for comfortable access and remains static in AF mode, yet accepts manual adjustments on demand. AF speed and reliability are both good and there is a focus limiter that confines the full range of object distances either within or beyond 0.45m.