Tue Jun 27 19:37:54 EST 2006 Joseph Tainter wrote:
> "A prime 2.8 lens is actually faster than a 2.8 zoom because of the > increased contrast which you'll find remarkable in comparison to your > zoom lens." > > Got that? > > Joe Joe, I have been working with students of different levels, so, I've seen very curious nonsense-sounding statements. So, let me try to guess... I think the author meant to say that zoom lenses more often than prime lenses tend to be soft when wide open. So, if you have a zoom lens, and want the best quality, you'd need to stop it down. Hence, such a zoom is effectively slower. Igor -- PDML Pentax-Discuss Mail List [email protected] http://pdml.net/mailman/listinfo/pdml_pdml.net
