Archived posting to the Leica Users Group, 2009/06/02

[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]

Subject: [Leica] Why sharpen?
From: clive.moss at (Clive Moss)
Date: Tue, 2 Jun 2009 21:17:28 -0500
References: <036901c9e3d8$fe810840$fb8318c0$@net>

1. To recover apparent sharpness after the blur of the anti-aliasing filter.

2. Same reason that one used a high-acutance developer with film. Same
optical illusion. Brighten the dark side of the edge. Lighten the light side
of the edge. Painters have done it forever.

On Tue, Jun 2, 2009 at 6:22 PM, Frank Filippone <red735i at>wrote:

> Sincerely asked.....
> Why sharpen a digital shot?  What do you gain over the basic " negative" (
> which could be RAW, Jpeg, TIFF or something else....) ?????
> I understand correcting some color qualities, and overall "blend" of
> colors,
> and exposure.....
> But the idea of taking an image that was captured digitally and putting it
> through a sharpening filter ( all the time) , somehow escapes me.......

Replies: Reply from drodgers at (David Rodgers) ([Leica] Why sharpen?)
Reply from mark at (Mark Rabiner) ([Leica] Why sharpen?)
In reply to: Message from red735i at (Frank Filippone) ([Leica] Why sharpen?)