On 24/04/07, Shel Belinkoff <[EMAIL PROTECTED]> wrote: > Rob, > > A few years ago I did something like that using a damaged SMC filter. I > couldn't see any scratches or abrasions, even when using a magnifier. > However, I did ruin a 20mm Super Tak by cleaning it with Kodak lens tissue. > although I couldn't see the scratches. When I brought the lens in for a > CLA, the technician, by knowing where to shine lights, etc., showed me the > problem.
By late Pentax coatings I would assume A series and later, earlier than that and I would be too keen to clean heavily, I've seen plenty of old Leica glass trashed by cleaning. -- Rob Studdert HURSTVILLE AUSTRALIA Tel +61-2-9554-4110 UTC(GMT) +10 Hours [EMAIL PROTECTED] http://picasaweb.google.com/distudio/PESO http://home.swiftdsl.com.au/~distudio//publications/ Pentax user since 1986, PDMLer since 1998 -- PDML Pentax-Discuss Mail List [email protected] http://pdml.net/mailman/listinfo/pdml_pdml.net

