> On 15 Mar 2017, at 21:06, John Francis <jo...@panix.com> wrote: > >> On Wed, Mar 15, 2017 at 04:50:03PM -0400, Paul Stenquist wrote: >> https://www.bhphotovideo.com/c/product/1325637-REG/irix_il_15bs_pk_15mm_blackstone_lens_for.html > > Hmmm. Neutrino coating? How do they get the neutrinos to stop? >
Charm. They keep them there with gluon. -- PDML Pentax-Discuss Mail List PDML@pdml.net http://pdml.net/mailman/listinfo/pdml_pdml.net to UNSUBSCRIBE from the PDML, please visit the link directly above and follow the directions.