Live-view Live view lets you take photos without using the viewfinder which makes you less obstrusive and this works very well during street photography where you don't want to get people's attention.
Face-Detection Focusing Face detection focusing mode is very helpful in the street scenes where you focus on a face, since you can concentrate on framing and other adjustments while the camera handles the focus for you.
Image Stabilization Image stabilization reduces the effects of camera shake at long exposures and long focal lengths in street photography thus ensuring sharper photos.
Medium sized Body Mirrorlessbody of Pentax Q7 is a good combination of relatively small size and good handling camera, without giving the impression of a professional camera.
Small 1/1.7" (7.44 x 5.58 mm) sensor An articulated screen gives you the flexibility to shoot in non traditional positions such as waist level, which helps you to be more creative and unobtrusive in the streets.