Seemed to me that he was implying that he has the ability to expose every frame he shoots within 1/3 stop of a TECHNICALLY perfect exposure with a TLL meter reading. He has no clue that his camera/lenses are not that accurate or consistent across all the settings. JCO
> -----Original Message----- > From: Caveman [mailto:[EMAIL PROTECTED] > Sent: Wednesday, June 11, 2003 5:19 PM > To: [EMAIL PROTECTED] > Subject: Re: Exposure > > > The problem is that he's claiming he gets a Something that he's not > defining what it is. I may claim that I can get the "trusty exposure" > anytime all day long 100% accurate. Can you argue with that without me > defining what a "trusty exposure" would be ? And of course, I may also > claim that it's something you never got and will never be able to. And > you still can't argue. > > cheers, > caveman > > > J. C. O'Connell wrote: > > the problem is that he is making these claims > > on cameras using TTL metering (open aperture) > > that assume the selected f-stop and shutter > > speed combination is not only perfect, but > > also that changing the speed and aperture settings > > to what is theoretically the equivalent exposure > > is also perfect even though a DIFFERENT > > compensation may needed from the first one. > > The meter cant be right for both but it indicates > > the same. > > JCO > > > > > >>-----Original Message----- > >>From: Mike Ignatiev [mailto:[EMAIL PROTECTED] > >>Sent: Wednesday, June 11, 2003 4:45 PM > >>To: [EMAIL PROTECTED] > >>Cc: J. C. O'Connell > >>Subject: Re[2]: Exposure > >> > >> > >>So make a table: > >>Lens | Shutter Speed | Aperture | Compensation > >>------------------------------------------------- > >> | | | > >>What's the big deal? I was not saying it's not random. That is > >>irrelevant. What matters is that it's reproducible to withing > >>your tolerances. > >> > >>If your cammera gives you random shutter speeds at the same > >>position of the dial, or the same lens has different aperture > >>openings at the same aperture setting (over the tolerances) -- > >>that means the equipment is junk. > >> > >>Mishka > >> > >>-----Original Message----- > >>From: "J. C. O'Connell" <[EMAIL PROTECTED]> > >>To: "Mike Ignatiev" <[EMAIL PROTECTED]>,<[EMAIL PROTECTED]> > >>Date: Wed, 11 Jun 2003 16:02:13 -0400 > >>Subject: RE: Exposure > >> > >> > >>>shutter speed and aperture variations are random from > >>>stop to stop and speed to speed. There is no way > >>>to "calibrate" them out of the system. Especially if > >>>youre using different lenses which may not match > >>>each other stop for stop. > >>>JCO > >> > > > > > >