Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP Posting-Version: version B 2.10.2 larry 2/4/84; site hlexa.UUCP Path: utzoo!watmath!clyde!burl!ulysses!mhuxl!aluxe!mhuxi!mhuxh!hlhop!hlexa!wjhe From: wjhe@hlexa.UUCP (Bill Hery) Newsgroups: net.rec.photo Subject: Re: lenses are sharpest at medium aperture Message-ID: <2336@hlexa.UUCP> Date: Mon, 11-Jun-84 18:12:28 EDT Article-I.D.: hlexa.2336 Posted: Mon Jun 11 18:12:28 1984 Date-Received: Tue, 12-Jun-84 01:16:50 EDT References: <757@hammer.UUCP> <132@pyuxt.UUCP> Organization: AT&T Bell Laboratories, Short Hills, NJ Lines: 9 Even if optimum sharpness could be attained at maximum aperture (as a previous poster claimed was theoretically true), practicality demands a partially stopped down lens in most cases. The shallow depth of field at say, f/1.4 or f/2.0, combined with the small focus ing screen will keep most of us mere mortals from getting that optimum sharpness. Bill Hery ATT Bell Labs, Short Hills