The Canon RF 28mm f/2.8 STM produces a heavy (4.1%), albeit not excessive, degree of barrel distortion in RAW images. As usual, auto-correction reduces the issue to a negligible degree. If you choose JPEG-only output, you can't even disable auto-correction in the camera. 28mm (corrected)

The Canon EF-S 35mm f/2.8 Macro IS STM lens is the first of its kind in the EF-S range. For use with Canon’s APS-C sensor cameras, the lens features a unique built-in Macro Lite technology to illuminate close-up subjects. As it’s a dedicated macro lens, it has a 1.0x magnification, with a close focusing range of just 0.13 metres.

EF-S 24mm f/2.8 STM - photos, first impressions, and reviews Nov 13, 2014 The lens is starting to ship today, earlier than expected, and the images are beginning to trickle in. Mount Stortinden reflecting in the calm Flakstad Fjord, Lofoten. I was standing about 1 km from this 850m tall mountain. Being so close, I couldn't have included both the mountain and the reflection with a 16mm. It was easily done, however, with the 11-24mm. Canon EOS 5D Mark IV, Canon 11-24mm F4L Nisi Filters 180mm ND + GND 11mm, F11, 0.5 sec . 279 118 56 35 148 339 4 295

canon efs 24mm f 2.8 stm review