PENTAX has announced the first pocket-friendly interchangeable lens camera to sport its new bayonet lens mount. The company says that its Q mount is about a third less in diameter than the more familiar K-mount, thanks to a reduction in the distance from the lens mount surface to the image sensor and by tweaking the size of the lens image circle to be proportionate to the sensor. The Pentax Q also makes use of a compact camera-sized sensor and sacrifices the onboard optical viewfinder, mirror box, focusing plate and autofocus sensor.GM