Archived posting to the Leica Users Group, 1999/12/01
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]This is a multi-part message in MIME format. - ------=_NextPart_000_001D_01BF3C4E.9901A240 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Photographic myths are hard to die. =20 "The longer the focal length, the more depth of field one has in front = of the target subject and the less you have behind the subject. Also, = the longer the lens, the less the total depth of field ..." "Depth of field differences between focal lenghts are greatest for image = sizes smaller than 1:20 and lens openings smaller than f4. When you're = working close or at large apertures, changing the lens focal length has = little effect on depth of field ..." =20 "Everythig you know is wrong", Copyright Ctein=20 PhotoPro September/October 1994 pp 50-51 Regards, Robert - ------=_NextPart_000_001D_01BF3C4E.9901A240 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable <!DOCTYPE HTML PUBLIC "-//W3C//DTD W3 HTML//EN"> <HTML> <HEAD> <META content=3Dtext/html;charset=3Diso-8859-1 = http-equiv=3DContent-Type><!DOCTYPE HTML PUBLIC "-//W3C//DTD W3 = HTML//EN"> <META content=3D'"MSHTML 4.72.3110.7"' name=3DGENERATOR> </HEAD> <BODY bgColor=3D#b8b8b8> <DIV> </DIV> <DIV><FONT color=3D#000000 size=3D2>Photographic myths are hard to = die.</FONT></DIV> <DIV><FONT color=3D#000000 size=3D2></FONT> </DIV> <DIV><FONT color=3D#000000 size=3D2>"The longer the focal length, = the more=20 depth of field one has in front of the target subject and the less you = have=20 behind the subject. Also, the longer the lens, the less the total = depth of=20 field ..."</FONT></DIV> <DIV><FONT color=3D#000000 size=3D2>"Depth of field differences = between focal=20 lenghts are greatest for image sizes smaller than 1:20 and lens openings = smaller=20 than f4. When you're working close or at large apertures, changing = the=20 lens focal length has little effect on depth of field = ..."</FONT></DIV> <DIV><FONT color=3D#000000 size=3D2></FONT> </DIV> <DIV><FONT color=3D#000000 size=3D2>"Everythig you know is = wrong",=20 Copyright Ctein </FONT></DIV> <DIV><FONT color=3D#000000 size=3D2>PhotoPro September/October 1994 pp=20 50-51</FONT></DIV> <DIV><FONT color=3D#000000 size=3D2></FONT> </DIV> <DIV><FONT color=3D#000000 size=3D2>Regards,</FONT></DIV> <DIV><FONT color=3D#000000 size=3D2></FONT> </DIV> <DIV><FONT color=3D#000000 size=3D2>Robert</FONT></DIV></BODY></HTML> - ------=_NextPart_000_001D_01BF3C4E.9901A240--