SR-M, 1970- MC lens mount. (8- AA) Same as the SRT 101 except no built-in meter, and the SRM has a built-in motor drive. This is the first SLR made for sequence photography with built-in motor drive (3 fps), power wind with auto stop. Can be manually advanced with grip removed. Flash acc. shoe included, PC sync terminals (X and FP), shutter speed range 1 sec to 1/1000 plus B, flash sync at 1/60. Microprism center spot focusing screen. Removable back. Optional accessories include: 250 exposure back, remote control and intervalometer. SR accessories can be used. **--> SRT- MC mount cameras: this camera will accept earlier non- MC lenses as well as later MD mount lenses.