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Re: [OM] Brand Shift - The Sequel

Subject: Re: [OM] Brand Shift - The Sequel
From: Nathan Wajsman <photo@xxxxxxxxxxxxxx>
Date: Fri, 14 Feb 2014 09:04:41 +0100
CFA - chartered financial analyst?
B to B - business to business?
R to R - ???
POCS - sounds like some sexually transmitted disease

Just trying to understand the abbreviations before diving into the technical 
bits ;-)

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

On Feb 14, 2014, at 12:53 AM, usher99@xxxxxxx wrote:

> The fuji cams just handle well with the SS dials and aperture 
> rings--feel like real cams and
> not computers with lenses attached. The lenses seem to have very nice 
> rendering as well or is it the lens/cam combo---dunno. Still FF A7(r) 
> is not that much bigger and perform better in many circumstances and 
> MFT can be quite small and horse cam friendly with large stable of 
> lenschoices.
> X-trans design still bothers a bit.
> 
> CFA's have trade offs by nature. Xtrans designed so the "green" raw 
> channel has more coverage but less positional symmetry than in a Bayer 
> sensor
> and as a direct result there is less high-frequency luminance 
> "miscalculations" in the interpolation, giving lower noise in raw 
> conversion.
> The larger B to B and R to R distances necessitate a large chroma 
> smoothing radius resulting in "watercolor effects or artifacts--balance 
> seems different with different converters. Accuraw allows one to adjust 
> the balance though have never used it.
> 
> http://www.dslrbodies.com/accessories/software-for-nikon-dslrs/software-news/accuraw-11-update.html
> 
> I was hoping that DXO with all their optics Ph.D's would use POCS 
> algorithm to minimize the complicatons of the uneven channel coverage 
> but they haven't bitten on that yet and don't support Fuji in DXO 
> optics pro. I think they could have the very best converter if they 
> wanted to develop it.
> 
> Still would very much enjoy using fuji gear I think and the above 
> concerns are not that dramatic. Certainly have admired the images here.
> 
> Mike


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