Yes I had one of those. Removing the front element is a one minute job. The front element is a two part lens element. They painted the edge black to prevent reflections, the black paint comes off while cleaning the lens. The back side is very difficult to clean, the paint ruined the coating.
On 6 October 2012 22:46, J.C. O'Connell <[email protected]> wrote: > warning to those considering the pentax-m 100mm macro: I have seen a very > large percentage of these lenses with haze in the glass near the rim of > the front glass element. the earlier k version doesnt seem to have the > problem. I think it must be something to do with the cement used. > > ----------------- > J.C.O'Connell > [email protected] > ----------------- > > -----Original Message----- > From: PDML [mailto:[email protected]] On Behalf Of Bob Sullivan > Sent: Saturday, October 06, 2012 4:05 PM > To: Pentax-Discuss Mail List > Subject: Re: Macro Lens Comparison: Tamron 90/2.5 vs Pentax-M 100/4 > > Is that the Pentax M-100/4 macro you are testing? > You know there are A-100/4 macros & A-100/2.8 macros (my favorite). > Regards, Bob S. > > On Sat, Oct 6, 2012 at 1:04 PM, Collin Brendemuehl > <[email protected]> wrote: >> > http://evangelicalperspective.blogspot.com/2012/10/macro-lens-comparision-ta >> mron-9025-v.html >> >> >> -- >> PDML Pentax-Discuss Mail List >> [email protected] >> http://pdml.net/mailman/listinfo/pdml_pdml.net >> to UNSUBSCRIBE from the PDML, please visit the link directly above and > follow the directions. > > -- > PDML Pentax-Discuss Mail List > [email protected] > http://pdml.net/mailman/listinfo/pdml_pdml.net > to UNSUBSCRIBE from the PDML, please visit the link directly above and > follow the directions. > > > -- > PDML Pentax-Discuss Mail List > [email protected] > http://pdml.net/mailman/listinfo/pdml_pdml.net > to UNSUBSCRIBE from the PDML, please visit the link directly above and follow > the directions. -- PDML Pentax-Discuss Mail List [email protected] http://pdml.net/mailman/listinfo/pdml_pdml.net to UNSUBSCRIBE from the PDML, please visit the link directly above and follow the directions.
