This is the largest-aperture zoom available for APS-C mirrorless cameras, but how does it measure up? Andy Westlake finds out ...

The Sigma 17-40mm F1.8 DC Art zoom lens brings full-frame background blur to APS-C cameras to satisfy shutterbugs who chase subject isolation or make images in dark environments.

The DC-8 series, including Series 30 and 40, were the first to use turbojet engines with 17,500-pound thrust. The Series 50 was the first to be powered by new, more efficient turbofan jet engines ...

The Douglas DC-8 Super 60's size would be created (the Super 60 is approximately 187 feet and 5 inches long), and it would be a widebody jet. The standard DC-8, by contrast, had been a single ...