Can take the picture while looking LCD monitor?
No. mainly reason is mechanism of Single Lens Reflex Camera. For take the picture while looking LCD monitor, the CCD needs to catch the right all the time for taking the picture while looking LCD monitor such as compact digital camera. On the other hand, Single Lens Reflex Camera has mirror at the front of CCD for conducting light through the viewfinder. The CCD catches the light only shutter is opening.