Youre still not clear, what is the "theorethical maximum SNR of a DSLR/SCANNER at lowest ISO" mean according to you? Use said "theoretical" which usually does involve mathematics and abstraction and is exactly what you were comparing the real hardware against! JCO
-----Original Message----- From: Herb Chong [mailto:[EMAIL PROTECTED] Sent: Saturday, November 06, 2004 11:52 AM To: [EMAIL PROTECTED] Subject: Re: USAF target and resolution tests why isn't it clear we are talking about real pieces of hardware and not some mathematical abstraction? i've spent a lot of time doing the mathematics of information theory and i know the difference between a noisy channel and an ideal channel. Herb... ----- Original Message ----- From: "J. C. O'Connell" <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Sent: Saturday, November 06, 2004 11:45 AM Subject: RE: USAF target and resolution tests > You posted """no scanner or DSLR Shel's been looking at have SNRs > appreciably less than the theoretical maximum at their lowest ISO."" > > Maybe I misunderstood you, What exactly did you mean by that if you > think I somehow twisted it into meaning something else??
