Read more: Major SSD Brands Ranked Worst To Best (And Which Ones To Avoid) The "Zero-D" in Laowa 10mm f/2.8 Zero-D FF stands for zero distortion, meaning that this is a rectilinear lens ...

In this case, that's distortion, and where in a normal rectilinear lens the whacky warping of the image would be viewed as a downside, here it's integral to how the Sigma 15mm f/1.4 is meant to ...