Re: sheen and iridiscence?

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Test: go to a butterfly habitat, and catch the iridescence of a Blue Morpheus.


From: karl shah-jenner <shahjen@xxxxxxxxxxxx>
To: List for Photo/Imaging Educators - Professionals - Students <photoforum@xxxxxxxxxxxxxxxxxx>
Sent: Monday, May 5, 2014 8:54 PM
Subject: Re: sheen and iridiscence?


> All autofocus camers recomend against linear polarizers.  Linear
> polarizers
> work just fine on my leaf as well as arri sony and red digital cinema
> cameras.  Have you guys tried using different color spaces? sRGB is crap
> and abobe rgb isnt all that. Much better but has a lot more gamut then
> srgb.  I dont know why 35mm limits to those 2 profiles.  Leaf and phase
> one
> camera rgb are bigger gamut then even prophoto rgb.  Im going to go out
> on
> a limb and say either in camera debayer jpg or abobe light room raw
> conversation.  If there is a item not bugish that i can shoot with my
> leaf
> to see if its a simple camera gamut issue I can take a stab.

it's the bugs that are causing the problems...  any chance you'd like to
visit a local zoo or any such place that may have iridescent
butterflies/spiders/bugs and see how you get on there?

I know with any media, angle of attack is pretty important to get these
colours right, but even being aware of that and framing them appropriately
it seems most sensors have issues coping with the colours.. but as I said
before, distance from the subject does appear to play a part




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