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Re: [OM] Best of Both Worlds

Subject: Re: [OM] Best of Both Worlds
From: Chuck Norcutt <chucknorcutt@xxxxxxxxxxxxxxxx>
Date: Wed, 17 Mar 2010 10:27:31 -0400
Simple.  Just tell the bride no purple flowers allowed.  :-)

Chuck Norcutt


Ken Norton wrote:
> Smurf Moose wrote:
> 
>> The problem is clear. The solution of going to an E-1 or to specific
>> films, not so attractive.
>>
> 
> Ah, but you might not want to. Not all Canon cameras are so afflicted with
> color blindness. Some are, some aren't. I'm not going to give you any hints,
> though as to whether yours is or isn't.  If you haven't figured out the
> limitations of your camera by now, you never will.  :)
> 
> But I will say this--the classic 5D ain't no slouch.
> 
> There is a more general solution available in post. Later version of PS
>> include a color match function, which was, I believe included for
>> exactly the sort of issues you are talking about. The problem of the
>> flowers and dress that should match are exactly what many color
>> production people have to control.
>>
> 
> You are absolutely right. However, here's the rub--it requires post
> processing with masking on each and every photograph that you need to
> correct. For the landscape/flower photographer, it's no big deal as the
> quantity of photos from any one session are not that great. But for the
> wedding photographer, we might be talking about 500 photographs that need to
> be corrected.
> 
> At issue is that you cannot automate the process in many situations. The
> imager/film converted the lavender or purple flower to blue. But there are
> other blue objects in the same photograph. When you do a color match to
> correct for the flowers, the other objects will also shift. This forces us
> into masking.
> 
> In nearly every case, with digital the shifting occurs due to a hyperactive
> IR cut filter on the sensor. Astronomy photographers are well aware of the
> cut wavelengths for nearly every camera and film out there.
> 
> AG
-- 
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