Sigma has released a Sony AF version of its 105mm f/2.8 EX DG OS HSM lens.
Marketed as a large aperture, medium telephoto, macro lens the newcomer incorporates Sigma’s Optical Stabilisation (OS) system.
Features include a splash-resistant design, plus a Special Low Dispersion (SLD) lens and a high refractive index SLD lens, claimed to deliver ‘excellent correction for all types of aberration and distortion’.
The nine diaphragm-blade optic is built from 16 elements in 11 groups and boasts a maximum magnification ratio of 1:1.
The 725g lens, which replaces the Sigma Macro 105mm f/2.8 EX DG launched eight years ago, costs £649.99.