|The Leica M4 with MR-4 meter mounted on top.|
I always liked the look of the Leica meter. Not that it worked all that well -- I still carried around a hand held auxiliary meter for more accurate readings -- but it slipped conveniently into the accessory shoe, had a high/low range, and synchronized with the shutter speed dial, all pretty advanced stuff for 1968.
|The M4 did away with the removable film take up spool, and introduced a faster film loading system that gripped the end of the film automatically to load it onto the spool.|
|The self-timer lever was an M4 luxury -- some say frivolous addition -- eliminated from later versions of the M series. After all, pros don't need self-timers.|