The US pricing for the brand new Irix 150mm f/2.eight Macro 1:1 full-frame DSLR lens for Pentax Okay-mount is now formally introduced: $595. Pre-orders are now open at B&H Photo.
Further info, together with MTF chart, distortion graph and technical specs can be found here:
Here’s a evaluate of the lens:
Source from pentaxrumors