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Scott LaBorde
Joined: 14 Dec 2009
Posts: 104
Location: North Carolina
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 Posted: Feb 17, 2014 11:05 Post subject: Re: Snowflake Photographs? |
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Here is my meager attempt. Frozen fingers and wind kept me from taking the time I wanted for optimal focus stacking so the image is not as crisp. For the backdrop I simply used some black fabric to catch the snowflakes.
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Josele
Joined: 10 Apr 2012
Posts: 410
Location: Tarifa, Spain
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| Posted: Feb 17, 2014 11:43 Post subject: Re: Snowflake Photographs? |
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When snow stays under the fog during some nights at very low temperature this amazing texture is formed:
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Bugaboos Mts., British Columbia, Canada
February 2014 |
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Bugaboos Mts., British Columbia, Canada
FOV: 50 cm |
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Scott LaBorde
Joined: 14 Dec 2009
Posts: 104
Location: North Carolina
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| Posted: Feb 17, 2014 13:28 Post subject: Re: Snowflake Photographs? |
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| trtlman wrote: | | Even in subzero temperatures once you turn a light onto that slide the snow will melt so how do you light it without losing your subject. |
My guess is that with a microscope you don't use the hot incandescent lamp it comes with. Rather, use the ambient light of the day, or a low heat emitting LED light. The light does not have to be directly next to the flake as you should adjust your exposure for additional needed light. It's a trial and error process depending on your tools, lights, angle of flake, etc. etc. Wind comes into effect as well especially if you are focus stacking -- some of my attempts were ruined by puffs of wind moving the flake around during the shots.
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nicholas
Joined: 07 Sep 2014
Posts: 8
Location: North Carolina
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| Posted: Oct 11, 2014 14:10 Post subject: Re: Snowflake Photographs? |
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| Don't have pics, but 2 years ago I had snowflakes fall on my jacket and all were the perfect shape of the star of david. Really weird and wish I had a camera handy.
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Tom Mazanec
Joined: 11 Feb 2016
Posts: 139
Location: Twinsburg, Ohio
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| Posted: Feb 14, 2016 08:52 Post subject: Re: Snowflake Photographs? |
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Something I wonder about snowflakes...
How do they have those symmetric branches? How does a molecule of H2O "know" that it is supposed to go THERE to be on the side of an arm, to match the other five arms that are a millimeter away (which is like a megaparsec to a molecule)? Why don't they just spread out at random, H2O unit cells going here and there higgelty-piggelty?
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