On 25 Mar 2005 at 13:37, Godfrey Digiorgi wrote: > A speck of dust won't hurt anything. I am much more bothered by the thought of > taking a lens apart to clean a speck of dust and then reassembling it without > having a collimator handy to be certain that all the elements are properly > centered than I am by a speck of dust.
Collimation isn't a problem when repairing Pentax lenses, they are designed in such a way that none of the metal/metal or metal/glass assemblies have free- play. I've never experienced a degradation or resolution in any repaired lenses. Rob Studdert HURSTVILLE AUSTRALIA Tel +61-2-9554-4110 UTC(GMT) +10 Hours [EMAIL PROTECTED] http://members.ozemail.com.au/~distudio/publications/ Pentax user since 1986, PDMLer since 1998

