RJ, A small solvent injection into the escapement of your shutter might help it. If that does not succeed. have Tom send it to a technician. Or send it yourself. If you try the solvent fix, unscrew the front and rear lens cells. Easy to do on that lens and shutter combo. Jerry "Fox, Robert" wrote: > O Wise Ones, > > Before I send out the Synchro Compur shutter housing a 2.8/80 Xenotar > for my Century Graphic, would someone enlighten me if it is wise or not > wise to try and get the slow times improved on the shutter?? > > Should I not fiddle with it -- I would prefer tom send it to a good > technician who can do the CLA? > > TIA, > R.J.