QTR-Quadtone RIP

New file uploaded to QuadtoneRIP

Hello,

This email message is a notification to let you know that
a file has been uploaded to the Files area of the QuadtoneRIP
group.

File : /OffsetGrad8.jpg
Uploaded by : jrandall1149 <jrandall@...>
Description : Offset gradiation wedge to provide sensitive detection
of flat spots and reversals in B&W printing workflows.

You can access this file at the URL:
http://groups.yahoo.com/group/QuadtoneRIP/files/OffsetGrad8.jpg
<http://groups.yahoo.com/group/QuadtoneRIP/files/OffsetGrad8.jpg>

To learn more about file sharing for your group, please visit:
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Regards,

jrandall1149 <jrandall@...>




[Non-text portions of this message have been removed]

I downloaded the .jpg file and printed it using my current profile for
Ilford Smooth Glossy created with PrintfixPro and printed through
Photoshop CS2,and am not sure what it is that I should be looking for.
I see offset gradations pretty much all the way through. 

Your friend in Photography,

Johnny


--- In QuadtoneRIP@yahoogroups.com, "Jeff Randall" <jrandall@...> wrote:

>
> 
> New file uploaded to QuadtoneRIP
> 
> Hello,
> 
> This email message is a notification to let you know that
> a file has been uploaded to the Files area of the QuadtoneRIP
> group.
> 
> File : /OffsetGrad8.jpg
> Uploaded by : jrandall1149 <jrandall@>
> Description : Offset gradiation wedge to provide sensitive detection
> of flat spots and reversals in B&W printing workflows.
> 
>

If the black to white gradient is not exactly smooth, you will see very 
faint (hopefully) or stronger diagonal streaks (upper left to lower 
right).  You will need to illuminate the ramp well and look carefully 
from directly above to a shallower angle.

Another test is to print out Keith Cooper's excellent B&W test print 
and look at the circular gradient (look for streaky rings) and the 
diagonal wall (look for radial streaks around the upper end of the 
wall).

www.northlight-images.co.uk/digital_black_white.html

The advantage to the offset gradient is that you can determine the 
approximate location of the problem (0-100% scale).

--- In QuadtoneRIP@yahoogroups.com, "Johnny Eades" <jeades1@...> wrote:

>
> I downloaded the .jpg file and printed it using my current profile for
> Ilford Smooth Glossy created with PrintfixPro and printed through
> Photoshop CS2,and am not sure what it is that I should be looking for.
> I see offset gradations pretty much all the way through. 
>