this ultra-wide lens offers a huge 110° angle of view – though of course, that 15mm focal length will become 22.5mm if mounted to an APS-C body (or 24mm on a Canon APS-C camera). While its size ...

The taller the column, the better the lens performance. CA (Chromatic Aberration) is measured with any in-camera corrections ... as we stop down. You can view additional images in the Equipment ...

RATWORKS has a new 15mm RatBat Rangefinder Modular Mount. It is made up of 2 parts, and it was designed by the late Ed ...