New optics manufacturer Irix has announced a second extreme wide-angle lens for full-frame DSLR users that will join the existing 15mm F2.4. The new lens is a manual focus 11mm F4 which will come in two versions Blackstone and Firefly like the companys first lens.
Constructed using 16 elements arranged in 10 groups the lens offers a nine-bladed iris with apertures from F4 to F22. Electrical contacts allow users to control aperture values from the camera body and for aperture values... more