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Color correction filters.
Just for clarification:
I have a filter that converts 5500K daylight
to 2900K light. If I put this filter on my 580EX
II which emmits 5000K light, do I get 2100K
as a result?
I have a filter that converts 5500K daylight
to 2900K light. If I put this filter on my 580EX
II which emmits 5000K light, do I get 2100K
as a result?
“To consult the rules of composition before making a picture is a little like consulting the law of gravitation before going for a walk.”
― Edward Weston
― Edward Weston
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Comments
I think your mixing up two worlds here.
A gel is what you use to change the apearant temp of a light source. A gel in not optically flat and can't be placed in front of glass (it can but it won't provide consistant results)
A filter is used to change the color that is hitting the sensor of the camera. It is optically flat and is normallly placed in front of your glass.
I assume your taling about a gel in this situation.
EDIT:
If your talking about filters rigged to work on a light source skip to **
In short, yes. While the light temp will not be exactly 2100K, it will be very close to that. I have some bookmarks at home that I can get to you in regards to light theory and why color temps math isn't as simple as stops on a camera. It's pretty dry stuff though. I'm in Seattle for the weekend w/ friends so it will be a little while though.
**Yes, using a filter on a light will get the same results. Gels are just WAY cheaper and not as scary to break (since it's just plastic)
-Jon
(and thought the term filter applies to gels as well)
― Edward Weston