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Re: [Digital BW] Help! Scanning B&W negs

2009-07-31 by Mark Savoia

Can somebody explain to me what all the  are in this post?

Mark
http://www.stillrivereditions.com

On Jul 31, 2009, at 6:30 PM, renato cury wrote:

> Hello Walter,
> Â Â  Â  Â When you bought your scanner it came with a SilverFast  
> Disc ( probably Ai version) , two IT-8 targets ( one 4x5  
> transparency and one 5x7 reflective) and  a Monaco Easy program.   
> Â  Â  Â Install and use Silver Fast instead of Epson Scanner Driver  
> if you are not already doing so. Â  What follows is my way of using  
> it for BW negatives, chromogenic or not:
> Â Â  Â  Â -Use HDR (16 bits per channel ) . There is a box of  
> configurations where you will find an option for defining HDR gamma.  
> Try gamma 2.2 for HDR.        HDR will permit you to scan only  
> as a RGB positive and does not leave you  apply any correction nor  
> unsharp mask, etc. You will get a very flat negative image.       
> Â -Define scan resolution numbers at 100% . Avoid " broken  
> numbers" . Find  the one that gives you the nearest file size of  
> our interest among 1200, 2400, 3200 or 4800 ( the maximum for your  
> scanner ). Â Â Â  Â  Â  -Open it in Photoshop. Ignore or accept the  
> embeded profile from Silver Fast, but dont convert it to any RGB  
> that has a gamma diferent from the one you are thinking to use when  
> editing your grayscales . ( Prophoto, for instance has a gamma 1.8,  
> Adobe 98 has a gamma 2.2 ). I supose that your color settings in PS  
> are configured to preserve profiles when opening and to ask when  
> finding an embeded profile different
> from the one you have choosen for RGB color space.        -Look  
> at the image at 100% or more (200%, 400%) and choose the best  
> channel in terms of sharpness( in my 4990 is the green channel and  
> in my V750 is the blue ). Select the best channel and convert it to  
> gray gamma 2.2 ( 16 bits). Take a look at the histograms of each  
> channel too and check if the channel you`ve choosen is not  
> clipped .      -Invert the image. Go to adjustment layers/curves  
> and adjust for what you want.Â
> Â Â  If your negatives are very similar one to each other you may  
> use a set of all these actions but still can adjust the adjustment  
> layer for each case.Â
> Â Â  Â  Apply un-sharp mask (s) Â after defining the print size. Â Â  
> Â Â  Â  Â  Renato Â
>
> --- Em sex, 31/7/09, Walter Oliver <wso@...> escreveu:

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