Scans back to slides

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After scanning a 35mm slide in a 4000dpi film scanner and editing the
scan in Photoshop, I want to send the digital file to a service to
convert it back to a slide. The slide will be submitted for jurying. The
digital file is edited in Adobe rgb1998 color space, at 16-bit per
channel, and has a resolution of 4000 by 6000 pixels. Some questions:

How good will the converted slide be compared to the original slide?
I.e., can a jury tell the difference?

At what resolution should I send the file to the service?

Should I send the file at the Adobe rgb1998 color space or convert it to
srgb?

Should I send the file at 16-bit or convert it to 8-bit?

Can you recommend a good service?

Thanks.
 
After scanning a 35mm slide in a 4000dpi film scanner and editing the
scan in Photoshop, I want to send the digital file to a service to
convert it back to a slide. The slide will be submitted for jurying. The
digital file is edited in Adobe rgb1998 color space, at 16-bit per
channel, and has a resolution of 4000 by 6000 pixels. Some questions:

How good will the converted slide be compared to the original slide?
I.e., can a jury tell the difference?
Click to expand...

If they can't tell the difference what was the point in scanning &
Photoshopping it? :)
At what resolution should I send the file to the service?

Should I send the file at the Adobe rgb1998 color space or convert it to
srgb?

Should I send the file at 16-bit or convert it to 8-bit?

Can you recommend a good service?
Click to expand...

It might if you wait what country you are in.
 
After scanning a 35mm slide in a 4000dpi film scanner and editing the
scan in Photoshop, I want to send the digital file to a service to
convert it back to a slide. The slide will be submitted for jurying.
How good will the converted slide be compared to the original slide?
I.e., can a jury tell the difference?
Click to expand...


You mean to remove yourself from a crime scene photo?
 
Michael said:
You mean to remove yourself from a crime scene photo?
Click to expand...

This facetious remark aside, why would you want to deliberately alter/edit a
photo/slide that is being presented to a jury?

If you intend to fully disclose your intentions, please disregard the
following (and kudos to you).
Whether it be civil or criminal, I hope the "other side" becomes aware of
this or you provide a 'before' and 'after' slide to the jury.

FWIW, because of the ease of editing and digital manipulation, photographic
evidence is not as strong as it used to be.
 
Sometime on Sat, 14 Jan 2006 15:41:04 +0000, Peter D scribbled:
This facetious remark aside, why would you want to deliberately alter/edit a
photo/slide that is being presented to a jury?

If you intend to fully disclose your intentions, please disregard the
following (and kudos to you).
Whether it be civil or criminal, I hope the "other side" becomes aware of
this or you provide a 'before' and 'after' slide to the jury.

FWIW, because of the ease of editing and digital manipulation, photographic
evidence is not as strong as it used to be.
Click to expand...

"Submitted for jurying" does not mean it's something do with a
court case.
 
DaveG said:
Sometime on Sat, 14 Jan 2006 15:41:04 +0000, Peter D scribbled:


"Submitted for jurying" does not mean it's something do with a
court case.
Click to expand...

Thank you for your understanding. Now can everyone get back to my
questions.
 
Thank you for your understanding. Now can everyone get back to my
questions.
Click to expand...


Your original question is, " How to alter photographic evidence, and submit it
to a jury without telling them it was retouched?" This is what you asked, isn't
it? If not please post more info.
 
.........editing the scan in Photoshop,
.............I.e., can a jury tell the difference?
Click to expand...
Thank you for your understanding [that this is not being submitted to
a trial jury]. Now can everyone get back to my questions?
Click to expand...
Your original question is, " How to alter photographic evidence, and
submit it to a jury without telling them it was retouched?" This is
what you asked, isn't it? If not please post more info.
Click to expand...

Hey, Michael, it seems obvious that the "jury" that (e-mail address removed)
was referring to is *NOT* a trial jury. It's probably a set of 5 or 6
people who are all looking at pieces of art/photographs/whatever, and
they vote on which pieces are the best. And, (e-mail address removed), the
thing that I described in my last sentence is more commonly referred to
as "a panel of judges" than "a jury". (English can be so bloody
imprecise. Gotta love it.)

If you edit a scanned image in a photo editing program, it always leaves
traces. The traces it leaves can be minor or major, depending on what
exactly you did. Hardly anybody will notice contrast/brightness/gamma/
color balance alterations if they're minor. Everybody will notice a
pasted-in Loch Ness Monster that covers 1/4 of the frame. Say roughly
what you want to do, and people will have a better shot at telling you
whether it'll look decent.

Note that if you write out a TIFF from Photoshop, it'll put its own name
in the Software tag in that file. If the judges are smart enough to
look at that data, they'll know you edited the image with that program.
JPEGs also have comment fields available in their EXIF data, and image
editors may populate those fields. Check your files with identify
-verbose or something if you're curious. HTH,
 
I have used www.gammatech.com for making slides from digital files for
submission to galleries and shows and I couldn't tell the slide from an
original with my loupe. Maybe a microscope would have easily
distinguished the pixels from the grain, but not any other way. Follow
their advice on sizing, format, etc.

NOTE: there are no EXIF files in a slide! No TIFF metadata, either,
nothing but the image.

Frank
 
DaveG said:
Sometime on Sat, 14 Jan 2006 15:41:04 +0000, Peter D scribbled:


"Submitted for jurying" does not mean it's something do with a
court case.
Click to expand...

I'm sorry. My bad. When I re-read I see that it could mean presenting the
altered slide to a panel for evaluation.
 
Finally a post that's on topic and helpful.

I have used www.gammatech.com for making slides from digital files for
submission to galleries and shows and I couldn't tell the slide from an
original with my loupe. Maybe a microscope would have easily
distinguished the pixels from the grain, but not any other way. Follow
their advice on sizing, format, etc.
Click to expand...

The site does provide lots of info in answering some of my questions.
Unlike many other similar online digital to film services, this one
actually took the trouble to clarify how they do the transfer.
NOTE: there are no EXIF files in a slide! No TIFF metadata, either,
nothing but the image.
Click to expand...

But of course. How someone could mention EXIF files in the context of
slides is beyond me.

Thanks.
 
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