You are mixing things up. Distortion is not an aberration. There are meny types of aberrations - like chromatic aberrations, coma etc. - but distortion is not one of them. All the best! Raimo K Personal photography homepage at: http://www.uusikaupunki.fi/~raikorho
----- Original Message ----- From: "J. C. O'Connell" <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Sent: Tuesday, October 19, 2004 7:27 AM Subject: RE: Long zoom recommendations > I'm not being closed minded, I'm being correct on the matter. > Distortion & abberations are interchangable optical terms. > distortion is one particular abberation, a geometry error, i.e a subset > of all abberations. > Vice versa is not true chromatic abberations, spherical abberations > etc, are NOT optical "distortion". They are what they are, those kinds > of abberations. > > JCO > -----Original Message----- > From: Rob Studdert [mailto:[EMAIL PROTECTED] > Sent: Monday, October 18, 2004 11:53 PM > To: [EMAIL PROTECTED] > Subject: RE: Long zoom recommendations > > > On 18 Oct 2004 at 23:26, J. C. O'Connell wrote: > > > I don't think "outside the box" when "inside the box" is the preferred > > > method. I cant think of a single instance where I have read > > anything regarding optical "distortion" where they were > > NOT referring to geometric distortion. The other types > > of abberations are called abberations, chromatic, spherical > > etc, but they are referred to as abberations, not distortions. > > You cant just go "outside the box" because the terms are conventions > > and people will not know what the hell you are talking about > > if you do "your own thing". > > http://www.angelfire.com/biz/Leica/page15.html > > Surely you can't be that closed minded? Distortions are aberrations. LOL > > > > Rob Studdert > HURSTVILLE AUSTRALIA > Tel +61-2-9554-4110 > UTC(GMT) +10 Hours > [EMAIL PROTECTED] > http://members.ozemail.com.au/~distudio/publications/ > Pentax user since 1986, PDMLer since 1998 >
