On 2 September 2014 11:18, Eric Weir <eew...@bellsouth.net> wrote: > On Sep 2, 2014, at 12:27 AM, Boris Liberman <bori...@gmail.com> wrote: > >> I would probably leave Sigma 135-400 behind... Instead, you could bring Q, K >> to Q adapter, and get by DFA 100 macro for extreme telephoto… > > I don’t understand this. How would a 100mm macro on a Q be provide extreme > telephoto capability? (Not doubting, just would like to know.)
Because the Q has a different crop factor (of 5.6) so 100mm lens on the Q has the same FOV as a 370mm lens on a Pentax K DSLR (or 560mm on a K film SLR.) -- Eric -- 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.
