Sigma's CEO says BF unofficially stands for 'beautiful foolishness,' a nod to Japanese tea ceremonies. Indeed, the camera leaves a lot of stuff out, including features enthusiasts may miss.

Sigma 24mm F3.5 DG DN | F8.0 | 1/200 sec | ISO 100Photo: Richard Butler During the three weeks I've been shooting with the Sigma BF, a surprising number of people asked me what I thought of it.

Using the Sigma BF as a camera. As someone who is used to using the AF-ON button on the back of my Nikon to focus, going back to a half-press on the shutter button took me a little getting used to.

Sigma BF camera in silver. Sigma Corp. Cameras were long ago overtaken by smartphones, but one class of camera, the "mirrorless," has seen a surge of interest in the past five years.

While I've long adored Sigma cameras for their image quality, the same can't be said for their autofocus systems. However, I was pleasantly surprised by how competent the Sigma BF is in this regard.

Sigma’s new $2,000 camera is missing so many features that you might not take the product seriously. The Sigma BF has no tilt or flip-out screen, hot shoe or cold shoe, any type of viewfinder ...

Sigma has unveiled the Sigma BF, a new mirrorless offering that represents the brand’s uncompromising new vision for the digital camera. Rooted in the origins of photography yet innovative in ...

Sigma’s BF is a minimalist full-frame camera with no memory card slot. The Sigma BF features simplified controls on the back, a redesigned user interface, and 230GB of built-in storage.

The Sigma BF is the first camera we’ve ever used (phone cameras aside) that doesn’t use removable storage. Yep, no SD cards here. Instead, it features a 256 GB internal SSD ...

On one of my photo walks with the Sigma BF, I saw a father riding a bike with his son in the seat behind him. With my X-E3 or nearly any other camera, capturing that moment would have been simple.

No, I'd stick on the smallest prime lens Sigma sells on the BF, which in the I-series of 'Contemporary' lenses is currently the 45mm f/2.8 (picture above), and that would be that.