Archived posting to the Leica Users Group, 1999/03/28
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]Alan Ball wrote: >As a matter of fact, ALL autofocus bodies provide focus confirmation with >compatible mount, manual, electronics free lenses (most Nikons and all >Pentax show complete backward compatibility in that respect). AFAIK, you >will also get focus confirmation with a Leica R or a M42 lens mounted on an >EOS body. There is no need for electronics in lenses for focus assistance >applications: the sensors are in the body and they telemeter points as they >will appear on the film plane. Electronics come in handy for sophisticated >TTL flash management, and, depending on the supplier's architecture, >reliable, non-mechanical, interactive management of the iris. Not quite true. My early Nikon F90X's don't. Nikon wants $100Cdn to allow focus confirmation with non-AF lenses. There are probably others. * Henning J. Wulff /|\ Wulff Photography & Design /###\ mailto:henningw@archiphoto.com |[ ]| http://www.archiphoto.com