You could make a living at bring and buy sales.
The 200mmf5 is a pig to hold steady, think about a mono pod or clamp... You wont know how good it is otherwise...
@When using a tripod, hold the camera steady with both hands and press the shutter release with the ball of finger, not with the cable release.@
For the last 13 months I've only used a Kiev (or Contax), apart from folders, Fed's, Zorki's, M2, etc.,... and a digital to record dismantle sequences...