Let's talk about the Sigma BF's missing card slot

When you use DPReview links to buy products, the site may earn a commission. Image: Sigma Sigma announced its BF mirrorless camera today, with a "purposefully minimal" design that "cuts out everything that distracts, limits or stifles creativity." The "radical" simplicity is obvious looking at it - it only has five buttons, including the power and shutter release, and a dial. The biggest concession to minimalism, though, may be what the BF lacks. It's not the first camera to omit a viewfinder or...