Digital BW, The Print

Yes, one needs a degree of humor with this stuff!!

gar - Out Of Focus

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On 1/4/08 at 12:34 PM AnnMarie Tornabene wrote:

>Well oof is definitely the sound I make when I see dust and scratches  
>on negs ;) (Sorry, I thought it was funny anyway)
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>AnnMarie
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>AnnMarie Tornabene
>www.annmarietornabene.net
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>On Jan 4, 2008, at 11:39 AM, Gary Weaver wrote:
>
>> The focus thing isn't just epson flatbeds.
>>
>> I have two scanmaker III's and one is much sharper. Or rather, one  
>> much worse.
>>
>> I mistakenly developed some unexposed 4x5 and used these sheets to  
>> Sharpie mark and layered them on the glass bed to see which was  
>> sharper. The FP4 was maybe too thick for this test..
>>
>> I suspect that a degree of OOF is built-in to minimize dust and  
>> scratches.
>>
>> But ...
>>
>> gar
>> .
>>
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>> On 1/4/08 at 9:52 AM Doug Fisher wrote:
>>
>>>>> The tests I've seen show that the 4990 is capable of resolving  
>>>>> about
>>> 2100
>>> ppi. So it would seem that scanning at anything higher is just  
>>> increasing
>>> the file size without gaining anything in useful information. I  
>>> use a 4990
>>> with 4x5 and 8x10 negatives.<<
>>>
>>> That is about right.  You might want to do some shimming tests to  
>>> see if
>>> you
>>> can eek out a bit more sharpness.  Every bit helps with these  
>>> scanners.
>>> Norm Koren discusses this.  Here are two links that show examples:
>>>
>>> http://www.normankoren.com/Tutorials/ 
>>> Epson_flatbeds.html#Focus_spacing
>>>
>>> http://www.larry-bolch.com/ephemeral/4870-shims.htm
>>>
>>> This example shows the difference when you hold the film really  
>>> flat and
>>> then adjust by only .2 mm (click on the image to enlarge it and  
>>> see the
>>> text
>>> in Internet Explorer):
>>>
>>> http://farm3.static.flickr.com/2035/1664778870_ba674a82da_o.gif
>>>
>>>
>>> Doug
>>> ---
>>> BetterScanning.com - Innovative Accessories for Better Film Scanning
>>> http://www.BetterScanning.com/
>>>
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