On Oct 7, 2014, at 10:24 , P.J. Alling <[email protected]> wrote: > > Just for example why was 135mm the most popular long lens for 35mm film for > such a long time? It's a funny focal length. Doesn't match any particular > rule that I ever heard. Well it was the "normal" focal length for larger a > film format. There were lots of good 135mm designs to base the new Long Lens > design on. So it became a defacto standard. Faster short telephotos were > designed, but the 135mm focal length was now engrained in the photographers > mindset, so they were designed in 135mm. n >
Cool information! I never knew this (but have wondered from time to time). -Charles -- Charles Robinson - [email protected] Minneapolis, MN http://charles.robinsontwins.org http://www.facebook.com/charles.robinson -- 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.
