Mark,
Your guess about the auto-WB compensating for the yellow light is very
plausible. I've seen this type of things happening.
If that's not the case, - I wonder if it is somehow a result of optical
interference on the thickness of some layer(s) of the flake.
It looks like the blue color is where there are some sort of "droplets"
on the snowflake. I wonder if it's the interference on the two surfaces of
those "droplets".
Nice image, as usual.
Igor
On Tue, Jan 27, 2015 at 7:38 PM, Mark C <[email protected]> wrote:
We had e a little snow on Sunday but it was mostly rimey and poorly formed.
I took the opportunity to try using a yellow filter, just to experiment. In
this shot the background is yellow but the crystal itself is mostly blue -
maybe an artifact of having the multi while balance featured enabled. At any
rate - it was something different :
http://www.markcassino.com/b2evolution/index.php/blue-snowflake
Watching the weather reports - I hope to try some more yellow snow shots
soon...
Mark
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