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Re: [OM] IMG: Real full frame

Subject: Re: [OM] IMG: Real full frame
From: Chuck Norcutt <chucknorcutt@xxxxxxxxxxxxxxxx>
Date: Fri, 18 Oct 2013 10:26:31 -0400
Perhaps your problem with "sharpness" is no more than a difference of 
depth of field between the small and large formats.  Depending on which 
cameras you're comparing you may have to close down a stop or more to 
get equivalent depth of field on the larger camera.  You may also be 
disappointed if you're doing pixel peeping on the scans from the larger 
camera.  A respectable circle of confusion for a 645 is about 0.05mm. 
That's a minimum spot size that would cover a lot of pixels on a much 
smaller camera.  If you account for these things you may realize that 
your results or potential results are better than you think.

Chuck Norcutt


On 10/16/2013 5:07 PM, Nathan Wajsman wrote:
> While y'all were drooling over the new Sony with its paltry 36 megapixels, I 
> was dealing with SERIOUS pixels, scanning MF film, albeit the baby 645 
> variety. Here are four images from the roll of Fuji Acros I developed at the 
> weekend:
>
> Handsome couple outside Café Zurich:
> http://gallery.leica-users.org/v/belgiangator/luggers/20131016-Acros_2013_4_001.jpg.html
>
> A street in Barcelona:
> http://www.greatpix.eu/Other/Sometimes-I-use-film/7590141_5KmXsg#!i=2838257765&k=WSdJ4xT&lb=1&s=O
>
> The view from Busot in the hills above Alicante:
> http://www.greatpix.eu/Other/Sometimes-I-use-film/7590141_5KmXsg#!i=2838257962&k=LDmFzGZ&lb=1&s=O
>
> The port of El Campello with bad weather on its way:
> http://www.greatpix.eu/Other/Sometimes-I-use-film/7590141_5KmXsg#!i=2838258095&k=LwrfxNP&lb=1&s=O
>
> I get better sharpness with my digital cameras, but I have yet to achieve 
> such tonality using non-chemical methods.
>
> Cheers,
> Nathan
>
> Nathan Wajsman
> Alicante, Spain
> http://www.frozenlight.eu
> http://www.greatpix.eu
> PICTURE OF THE WEEK: http://www.fotocycle.dk/paws
> Blog: http://nathansmusings.wordpress.com/
>
> YNWA
>
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-- 
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