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Re: filmscanners: Re: LPI for EPSON . Rob, Jon, Austin



Thanks !
 
Sincerely.
 
Ezio    
 
----- Original Message -----
Sent: Saturday, March 31, 2001 4:24 PM
Subject: Re: filmscanners: Re: LPI for EPSON . Rob, Jon, Austin

No trick - line screen frequency relates to optimal print resolution but is not the same thing.
 
If 320lpi works best on your set-up, though, there is no way I would say you were overshooting or somehow wrong.  The proof is in the (empirical) pudding.
 
Maris
 
----- Original Message -----
From: Ezio
Sent: Saturday, March 31, 2001 4:39 AM
Subject: filmscanners: Re: LPI for EPSON . Rob, Jon, Austin

_________________________________________________________
Troubleshooting Tip #0216
Scanner resolution for printing
 
The Line Screen Frequency for EPSON Stylus printers can be calculated using the following formula:
 
Printing Resolution       1
 ________________    X   ____  = Line Screen Frequency
 
        3                 2
 

You should set the MINIMUM scan resolution at 1/3rd of the desired print resolution. For example, for a print resolution of 720dpi, you will need to set the scan resolution to 240dpi or higher. If you are going to increase the size of the printed image then you should scan at a higher dpi resolution.
 
______________________________
 
Thank you Austin, Jon, Rob for the information.
I have been looking for this since 3 years ago when I bought my first 750.
 
BTW ... 1440/3 * 1/2 = 240 !!!!!!!!!!!!! ... why ? 
 from their calculations should be 720/3=240 . * 1/2 = 120 ... and they say 240 !!!
Where it is the trick in the calculations ?
 
Empirically I have used (lacking this information despite my requests to EPSON) 320 dpi to achieve near photography quality with my 750 on A4 glossy paper.
 
Was I over-shooting or somehow wrong ? 
Sincerely.
 
Ezio    
 
www.lucenti.com  e-photography site
 
 


 




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