On 06/04/2011 20:10, Tony Duell wrote:
Leaf shutter (and diaphragm) blades must be
oil-free or they will stick
like crazy.
I was taught (by a optical technician) that some iris diaphragm and
shutter blades do get lubricated -- but only with a tiny, tiny amount of
I did say 'oil-free' not 'lubricant free' :-)
More seriously, a tiny amount of graphite is probably a good idea, but I
will assure you that they will run a lot better with no lubricant than
they will if oily.
-tony