Despite the raves that recent micro four-thirds and Sony E-Mount cameras have received of late, there's still a dearth of lenses for the fledgeling systems compared to their more entrenched counterparts. Luckily, Sigma's just added to the pool of autofocus-equipped models for each system: updated 19mm F2.8 DN and 30mm F2.8 DN models along with an all-new 60mm F2.8 DN telephoto lens. Each Japan-made model has a "telecentric" optical design to minimize CMOS color issues, a metal exterior with silver or black color options, and a linear autofocus motor that Sigma claims is quiet enough to use ... Read More