资讯

Atoms are the fundamental building blocks of metallic materials, and their arrangement and distribution determine the ...
Art is the world’s first autofocus 135mm F1.4 prime lens designed for full-frame mirrorless. Available in late September at ...
Sigma has announced a second-generation version of its full-frame 35mm F1.2 'Art' lens, after teasing that it was coming ...
Hot on the heels of the stabilized 200mm F2, Sigma is releasing another first for mirrorless systems: the 135mm F1.4 DG Art.