Wouldn't the theroretical SNR be infinity??? when noise = ZERO! If you mean the therotical SNR of the physical sensor than there is a noise level to deal with and the number of bits required is not irrelavant.
JCO -----Original Message----- From: Herb Chong [mailto:[EMAIL PROTECTED] Sent: Saturday, November 06, 2004 10:47 AM To: [EMAIL PROTECTED] Subject: Re: USAF target and resolution tests no scanner or DSLR Shel's been looking at have SNRs appreciably less than the theoretical maximum at their lowest ISO. Herb... ----- Original Message ----- From: "Mishka" <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Sent: Saturday, November 06, 2004 10:26 AM Subject: Re: USAF target and resolution tests > not true. unless you factor in the S/N ratio, the number of bits is irrelevant > for shadow detail. but, yes, no scanner manufacturere specifies that.
