For as long as there have been cameras, photographers have faced a Goldilocks conundrum. The best-quality cameras are too heavy. The portable ones sacrifice too much performance.
Finally, there’s a camera that’s just right.
The ambitious new DxO One takes stunning 20.2-megapixel pictures from a device that’s half the size of a deck of cards. The secret: It’s a pro-level image sensor and bright lens that plugs onto the base of an iPhone, which serves as the viewfinder and central command.