Presharpening digital images?

DC
Posted By
Dave Cohen
Feb 12, 2006
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438
Replies
4
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Closed
I recently began working with a company that uses a Kodak digital back (16 meg) and they begin their workflow by cropping and removing all sharpening in the Kodak software then converting to tiff before opening files in PS.
For my own work (8 meg Canon) I’ve always used presharpening at default in PS Raw thinking is was advantageous for digital files and was too slight to produce any noticeable artifacts.
Anyone have thoughts on which method is preferred?

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TN
Tesco News
Feb 12, 2006
"Swatch" wrote in message
I recently began working with a company that uses a Kodak digital back (16 meg) and they begin their workflow by cropping and removing all sharpening in the Kodak software then converting to tiff before opening files in PS. For my own work (8 meg Canon) I’ve always used presharpening at default in PS Raw thinking is was advantageous for digital files and was too slight to produce any noticeable artifacts.
Anyone have thoughts on which method is preferred?

Hi.

If you look carefully into the Ps Raw Converter, you will find that ypu need to change the Preferences in order to apply sharpening to the image. Its default setting shows the preview with sharpening, but it does not apply that sharpening to the saved version.

I suspect the reason behind this, is that most people believe sharpening should be the last Edit applied to the image, and just before printing.

A number always ensure their final saved files have not had any sharpening applied, just in case they may need to apply some additional editing at a later date.

Roy G
H
Harvey
Feb 12, 2006
Forgive me if I’m wrong.
1. I thaught RAW files were just that raw, with no in camera adjustments.

2. When you open a RAW file in ps a window pops up and that is where you adjust sharpening, exposure, color temp.. One of the pre made preferences is "as shot". When your camera takes a picture and saves it in raw, somehow (maybe in the thumbnale) your camera also saves the processing information. PS uses this information in the inital screen of ps raw converter.

3. As you well know tiff files are huge. Maybe that is their workflow. At some point in a raw files workflow you have to "process" it. If it is done at the beging of the workflow as a batch while they are out for the night of having a very long lunch then that time is used better. When they want to open the tiff file, although it is larg, it is faster then going through the steps to convert the raw file manually.
"Swatch" wrote in message
I recently began working with a company that uses a Kodak digital back (16 meg) and they begin their workflow by cropping and removing all sharpening in the Kodak software then converting to tiff before opening files in PS.
For my own work (8 meg Canon) I’ve always used presharpening at default in PS Raw thinking is was advantageous for digital files and was too slight to produce any noticeable artifacts.
Anyone have thoughts on which method is preferred?
PF
Paul Furman
Feb 14, 2006
Tesco News wrote:

"Swatch" wrote

…I’ve always used presharpening at default in
PS Raw thinking is was advantageous for digital files and was too slight to produce any noticeable artifacts..

…most people believe sharpening
should be the last Edit applied to the image, and just before printing.

I’ve heard this also but I agree the sharpening in ACR is so minimal that it’s not a big deal. I will go in and reduce or eliminate sharpening for some particular images if it’s really noisy high ISO or something.

I’m not sure there really is a technical reason for sharpening last unless you want to do noise reduction first or something like that.

A number always ensure their final saved files have not had any sharpening applied, just in case they may need to apply some additional editing at a later date.

You always have the RAW file to go back to if something special is needed. For batch converting, I assume some average settings and usually only change for special cases.
P
PacMan
Feb 14, 2006
don’t ever sharpen an image until the final production work and correction have been made.
Unless your 100% sure the sharpening stage will be missed later do it.

The problem is that any graphic artist that receives your files, will make a sharpening at the end. That means the image will be sharpened twice. It could lead to oversharpening.

On 2006-02-12 08:07:45 -0400, Swatch said:

I recently began working with a company that uses a Kodak digital back (16 meg) and they begin their workflow by cropping and removing all sharpening in the Kodak software then converting to tiff before opening files in PS.
For my own work (8 meg Canon) I’ve always used presharpening at default in PS Raw thinking is was advantageous for digital files and was too slight to produce any noticeable artifacts.
Anyone have thoughts on which method is preferred?


Cheers
PacMan

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