Digital cameras comprising a lens assembly comprising N lens elements L1-LN starting with L1 on an object side, wherein N is ≥4, an image sensor having a sensor diagonal SD, and a pop-out mechanism that controls a largest air-gap d between two consecutive lens elements within lens elements L1 and LN to bring the camera to an operative pop-out state and a collapsed state, wherein the lens assembly has a total track length TTL in the operative pop-out state and a collapsed total track length cTTL in the collapsed state, wherein SD is in the range of 7-20 mm and wherein cTTL/SD