ove the Leica logo with the ttl illumination as read by the internal meter... <a href="http://www.dpreview.com/forums/thread/2853117#forum-post-36073766#3:">http://www.dpreview.com/forums/thread/2853117#forum-post-36073766#3:</a> ...there is no communication between the mechanical aperture & the electronics of the camera, so the data is derived & not all that accurate, particularly in low light...