Abe's of Maine offers the Sigma 30mm f/2.8 EX DN Lens for Sony Cameras (pictured), model no. 330965, or Panasonic and Olympus Digital Cameras, model no. 330963, for $199. Coupon code "DEALNEWS12" drops it to $187. With free shipping, that's the lowest total price we could find for either item by $12. Designed for mirrorless interchangeable lens cameras, this lens features a lens construction of seven elements in five groups, a seven blade diaphragm, and more.