Digital BW, The Print

Hi,
I am using my 24x36 BW negatives as a basis for my prints. The 
scanner is a Canoscan FS4000US and I am scanning at 4000 dpi in 
Photoshop. The scans are very good with the exception of the skies 
(with- or without clouds, light or heavy) which are broken up and 
mottled. Can anybody tell me the reasons for this? And how to avoid 
it? The negatives are carefully processed and show no discernible 
graininess. I would very much appreciate any help on this problem.
John

I had this same problem on a bunch of negs shot with infrared film. I 
thought it was the processing, perhaps, but maybe it wasn't. Anyway, I 
never figured out a solution other than selecting the skies and doing a 
gradation and then adding a lot of grain (since it was grainy film). 
Worked pretty well, but I'd love to know what caused it, also.

Barbara White
On Friday, June 18, 2004, at 06:33  AM, johngoerlich wrote:

> Hi,
> I am using my 24x36 BW negatives as a basis for my prints. The
> scanner is a Canoscan FS4000US and I am scanning at 4000 dpi in
> Photoshop. The scans are very good with the exception of the skies
> (with- or without clouds, light or heavy) which are broken up and
> mottled.

www.barbarawhitephoto.com
www.worldartphotographs.com

Hello John,

>The scans are very good with the exception of the skies 
>which are broken up and mottled. Can anybody tell me the 
>reasons for this? And how to avoid it? 

Have you tried scanning at a different resolution (or any other
changed settings) to see if it makes a difference?

Regards,
Clayton


Info on black and white digital printing at    
http://www.cjcom.net/digiprnarts.htm

Could be you are scanning the grain, try it at a lower res as Clayton 
suggest.
Mark

On Jun 18, 2004, at 10:07 PM, Clayton Jones wrote:

> Hello John,
>
>  >The scans are very good with the exception of the skies
>  >which are broken up and mottled. Can anybody tell me the
>  >reasons for this? And how to avoid it?
>
>  Have you tried scanning at a different resolution (or any other
>  changed settings) to see if it makes a difference?
>
>  Regards,
>  Clayton
>
>
>  Info on black and white digital printing at���
> http://www.cjcom.net/digiprnarts.htm
>
>
>
> Please visit the Group Homepage to check the Files, and other 
> resources as they are often being updated.
>
> http://groups.yahoo.com/group/DigitalBlackandWhiteThePrint
>
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-
-- In DigitalBlackandWhiteThePrint@yahoogroups.com, "Clayton Jones" 
<cj@c...> wrote:
> Hello John,
> 
> >The scans are very good with the exception of the skies 
> >which are broken up and mottled. Can anybody tell me the 
> >reasons for this? And how to avoid it? 
> 
> Have you tried scanning at a different resolution (or any other
> changed settings) to see if it makes a difference?
> 
> Regards,
> Clayton

Hello Clayton, Mark,
usefull suggestions,thanks,  yes have tried changed res, changed 
exposure, even fiddled with the focus, nothing really helps.
Its not the grain - which in  the negative is invisible under a 7x 
loupe - I guess I have to take the shots in future w/o any sky. 
Useful exercise.
Thanks and regards - John

> 
> 
> Info on black and white digital printing at    
> http://www.cjcom.net/digiprnarts.htm

If you rotate before you scan does the pattern go with it or change?
Mark

On Jun 21, 2004, at 4:09 PM, johngoerlich wrote:

> -
>  -- In DigitalBlackandWhiteThePrint@yahoogroups.com, "Clayton Jones"
>  <cj@c...> wrote:
>  > Hello John,
>  >
>  > >The scans are very good with the exception of the skies
>  > >which are broken up and mottled. Can anybody tell me the
>  > >reasons for this? And how to avoid it?
>  >
>  > Have you tried scanning at a different resolution (or any other
>  > changed settings) to see if it makes a difference?
>  >
>  > Regards,
>  > Clayton
>
>  Hello Clayton, Mark,
>  usefull suggestions,thanks,� yes have tried changed res, changed
>  exposure, even fiddled with the focus, nothing really helps.
>  Its not the grain - which in� the negative is invisible under a 7x
>  loupe - I guess I have to take the shots in future w/o any sky.
>  Useful exercise.
>  Thanks and regards - John
>  >
>  >
>  > Info on black and white digital printing at���
>  > http://www.cjcom.net/digiprnarts.htm
>
>
>
> Please visit the Group Homepage to check the Files, and other 
> resources as they are often being updated.
>
> http://groups.yahoo.com/group/DigitalBlackandWhiteThePrint
>
>  If you wish to receive no emails or just a daily digest, or you wish 
> to unsubscribe, please edit your Membership preferences by visiting 
> this same page.
>
>  Please follow these basic guidelines:
>  - As threads develop, trim off excess portions of earlier messages to 
> keep them short.
>  - Good manners are required at all time. No personal attacks or 
> flames. Hostile, aggressive or argumentative users may be removed from 
> the membership without notice.
>  - Keep your posts and threads related to the group topic of digital 
> B&W printing. Users who persistently make off-topic posts may be 
> removed from the membership.
>  - By posting on this forum you agree to abide by the group rules and 
> guidelines, and to abide by the actions and decisions of the group 
> Owner and Moderators. See �Group Topic, Rules and Guidelines� in the 
> Files section:
> http://groups.yahoo.com/group/DigitalBlackandWhiteThePrint/files/
>
>  BY PARTICIPATING IN AND/OR POSTING MESSAGES TO THE DIGITAL BW, THE 
> PRINT YAHOO! GROUP YOU EXPRESSLY UNDERSTAND AND AGREE THAT THE �OWNER� 
> AND �MODERATORS� OF DIGITAL BW, THE PRINT YAHOO GROUP SHALL NOT BE 
> LIABLE TO YOU FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 
> CONSEQUENTIAL OR EXEMPLARY DAMAGES, INCLUDING BUT NOT LIMITED TO, 
> DAMAGES FOR LOSS OF PROFITS, GOODWILL, USE, DATA OR OTHER INTANGIBLE 
> LOSSES (EVEN IF THE� �OWNER� AND �MODERATORS� OF DIGITAL BW, THE PRINT 
> YAHOO GROUP HAVE BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES), 
> RESULTING FROM: (i) THE USE OR THE INABILITY TO USE THE DIGITAL BW, 
> THE PRINT YAHOO GROUP; (ii) UNAUTHORIZED ACCESS TO OR ALTERATION OF 
> YOUR TRANSMISSIONS OR DATA; (iii) STATEMENTS OR CONDUCT OF ANY THIRD 
> PARTY ON THE DIGITAL BW, THE PRINT YAHOO GROUP; OR (iv) ANY OTHER 
> MATTER RELATING TO THE DIGITAL BW, THE PRINT YAHOO GROUP.
>
>
>
>
>
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