SRT 101, 1966-73. MC lens mount. (1-MRB625) Built-in TTL light meter, manual metering, center weighted averaging, needle metering display, flash acc. shoe included (changed to X sync hot shoe on later models), PC sync terminals (X and FP), shutter speed range 1 sec to 1/1000 plus B, flash sync at 1/60, ASA range 6-6400, DOF preview and lockable mirror lockup (according to Minolta instruction manual, but this feature not built on all SRT101 cameras). Microprism focusing screen. Meter uses two cells for unique Contrast Lighting Compensation (CLC) which compensates for contrasty light situations. Self Timer.