what is mirrorless camera
A mirrorless interchangeable lens camera (MILC, commonly referred to simply as a mirrorless camera), is a camera with an interchangeable lens that does not have a mirror reflex optical viewfinder.ot all mirrorless cameras have a large sensor: The original Pentax Q (announced in June 2011) has a 1/2.3 sensor (typical of mainstream compact cameras); the current Pentax Q7 (announced in June 2013) has a 1/1.7 sensor (typical for high-end compacts).