First came the electronically controlled focal plane shutter.

Focal plane shutter with speeds from 1 to 1/1000 second and B set on a single stationary dial.

It had a focal plane shutter from 1s to 1/1000 and a 39mm Leica mount.

In effect, a horizontal focal plane shutter made of cloth is only fully open and usable for flash exposure down to 1/60th second.

In 1977, the 2000 series of focal plane shutter equipped models was introduced.

In 1991, the 200 series of automated focal plane shutter equipped models was introduced.

The focal plane shutter gave an X-sync speed of 1/125 second.

There are various designs for focal plane shutters.

Later type has 170 focal plane shutter plus mirror reflex.