The previously rumored Irix 150mm f/2.8 MACRO 1:1 lens was just officially announced. Here are the MTF chart, distortion graph, technical specifications and press release: Compatible sensor size 35mm “Full Frame” and smaller Focal length 150 mm Maximum aperture F2.8 Field of view 160 (diagonal) Range of focus 0.345 m (0.92 ft) – ∞ Focus setup … Continue reading Just announced: Irix 150mm f/2.8 MACRO 1:1 lens