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dmillard
Joined: 24 Oct 2006
Posts: 546
Location: Austin, Texas
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 Posted: Tue Mar 08, 2011 9:05 am Post subject: Great Purple Hairstreak egg (another image added) |
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I found some low-hanging mistletoe yesterday, and collected this egg. I'll be going back today with a ladder, and see what else the Easter bunny can give me  .
Great Purple Hairstreak (Atlides halesus) egg on Mistletoe (Phoradendron), about 14X, Mitutoyo 20/0.42 w/135mm tube lens
Approx. 12X, Nikon CF N 10/0.30
I've been a little busy recently, so I have only had time to play with these eggs some more . . .
Last edited by dmillard on Sun Mar 27, 2011 8:32 am; edited 4 times in total |
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rjlittlefield
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Location: Richland, Washington State, USA
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| Posted: Tue Mar 08, 2011 10:39 am Post subject: |
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Beautiful! What optics? Any chance of a stereo pair on this one?
--Rik |
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realjax
Joined: 19 May 2010
Posts: 136
Location: Netherlands
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| Posted: Tue Mar 08, 2011 11:00 am Post subject: |
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That is indeed beautiful! Thanks for sharing.
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dmillard
Joined: 24 Oct 2006
Posts: 546
Location: Austin, Texas
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| Posted: Tue Mar 08, 2011 1:18 pm Post subject: |
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Thanks for your comments!
| rjlittlefield wrote: | Beautiful! What optics? Any chance of a stereo pair on this one?
--Rik |
I used a Mitutoyo 20 with a 135mm tube lens, in part because I already had it set up and I wanted to photograph the egg before it hatched. This image is slightly cropped because there were streaks along one edge from the leaf curling slightly during the exposures. I just collected another half-dozen Atlides eggs, and I'm going to compare the images I get with my finite optics to those from my Mitutoyos. I'll try a stereo pair as soon as I have time - I know they can reveal additional detail to many viewers, but I've never been able to see the effect myself.
David |
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rjlittlefield
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Posts: 19541
Location: Richland, Washington State, USA
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| Posted: Tue Mar 08, 2011 1:56 pm Post subject: |
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| dmillard wrote: | | I've never been able to see the effect myself. |
How sad!
I can't recall whether you and I have discussed this before. The most reliable method I know is to use a stereo viewer such as the Wheatstone Mini-Scope.
But even if you have two fully functioning eyes, it's not guaranteed that you'll be able to see stereo. I know one person whose eyes work fine, but he reports that there's nothing special about having them both open at once. Even looking at stuff on the table in front of him, he apparently gets depth from head motion and other cues, not from stereo vision. Presented with a stereo pair, he says the images lock up fine but nothing else happens.
--Rik |
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dmillard
Joined: 24 Oct 2006
Posts: 546
Location: Austin, Texas
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| Posted: Wed Mar 09, 2011 9:05 am Post subject: |
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Now I have the mug shots, I'll try some other perspectives.
David |
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Charles Krebs
Joined: 01 Aug 2006
Posts: 5805
Location: Issaquah, WA USA
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| Posted: Wed Mar 09, 2011 10:57 pm Post subject: |
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Beautiful images, remarkable "structures"!
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dmillard
Joined: 24 Oct 2006
Posts: 546
Location: Austin, Texas
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| Posted: Sun Mar 27, 2011 8:33 am Post subject: |
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| Another image added . . . |
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eurythyrea
Joined: 25 Dec 2010
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Location: Budapest, Hungary
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seta666
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dmillard
Joined: 24 Oct 2006
Posts: 546
Location: Austin, Texas
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| Posted: Tue May 03, 2011 7:32 pm Post subject: |
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| Thank you! |
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