Today, Sony introduced two new interchangeable lens cameras—with a twist. Unlike the usual DSLRs, with mirrors that flip up during shooting to allow light to strike the sensor, the A55 and A33 use ...

A really good measure of the strength of a technology company is how well it does things that can’t be done. Sony, confronted with a vexing glitch of DSLR video, dipped into a bag of old and new ...