On 2016-02-12 1:19 , Bipin Gupta wrote:
You see the basic optics are the same. Only the mount, flange distance and the chip varies. In fact lenses for Pentax need not have the optical shake reduction system.
it would seem that the Pentax badge also bestows the HD coatings -- 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.
