William Robb wrote: > I have used the Pentax 6x7 800mm f/4 lens once.
> There is significant distance from the tripod socket to the shutter,
> hence the problem with shutter induced vibration.
> Using two tripods is a good way to tame the problem.
You're supposed to carry a couple sandbags in the
trunk of the car for this lens ( according to the
lens manual)
!8^D Bill
