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Re: Lenses and sharpening

Eric Stevens
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SubjectRe: Lenses and sharpening
FromEric Stevens
Date09/18/2014 03:00 (09/18/2014 13:00)
Message-ID<pbak1a5nonnqqp8phglfsmshqqi32mgd2f@4ax.com>
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Newsgroupsrec.photo.digital
FollowsSavageduck
FollowupsSavageduck (1h & 19m) > Eric Stevens
On Wed, 17 Sep 2014 06:05:14 -0700, Savageduck <savageduck1@{REMOVESPAM}me.com>wrote:

Savageduck
On 2014-09-17 09:22:00 +0000, Eric Stevens <eric.stevens@sum.co.nz>said:

Eric Stevens
On Tue, 16 Sep 2014 22:27:43 -0700, Savageduck <savageduck1@{REMOVESPAM}me.com>wrote:

Savageduck
On 2014-09-17 04:08:19 +0000, Eric Stevens <eric.stevens@sum.co.nz>said:

Eric Stevens
On Tue, 16 Sep 2014 07:53:15 -0700, Savageduck <savageduck1@{REMOVESPAM}me.com>wrote:

Savageduck
On 2014-09-16 10:36:29 +0000, floyd@apaflo.com (Floyd L. Davidson) said:

--- snip ---

The reverse process performed on a lossy, compressed JPEG is not going to reverse the HPF to return to the original state. That was lost once the save was executed.

Eric Stevens
That's why I never included a conversion to JPG in my example of a reversible process.

Savageduck
…but that genius Floyd did.

--- snip ---

Eric Stevens
No one who understood what we were trying to talk about would claim that a JPG conversion is a reversible process.

Savageduck
…but that genius Floyd did.

I've had a look and I cant see where. Could you refer me to the message? --

Regards,

Eric Stevens

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Savageduck (1h & 19m) > Eric Stevens