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Blue butterfly taking off -- 4 frames in 1/15 second

 
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rjlittlefield



Joined: 06 May 2005
Posts: 727
Location: Richland, WA, USA

PostPosted: Sun Aug 14, 2005 12:24 pm    Post subject: Blue butterfly taking off -- 4 frames in 1/15 second Reply with quote

Rummaging through some old files, I ran across this one that I thought might be of interest.



This is Plebejus saepiolus, the Greenish Blue butterfly. It is shown at takeoff after nectaring on yarrow (Achillea millefolium).

The four frames are in sequence, 1/60 second apart.

The image capture was done by analog video camera at its "high speed sports" shutter setting -- about 1/4000 second.

Analog video is often described as 30 frames per second, but it is actually 60 fields per second, each field consisting of just the odd- or even-numbered scan lines. By post-processing to separate the fields, one can effectively get low resolution snapshots (320x240 pixels) at 60 per second as shown here.

Just to tie some things together, this butterfly is a close relative of Icaricia lupini, whose egg is pictured in an earlier posting. The egg of saepiolus is similar to lupini's, but somewhat less finely structured.

--Rik
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S. Alden
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Joined: 29 Apr 2004
Posts: 2780
Location: Pennsylvania, USA

PostPosted: Sun Aug 14, 2005 6:05 pm    Post subject: Reply with quote

Nice capture. Butterflies are so pretty, but difficult to photography in flight. Once they decide to leave...they are usually gone.
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Sue Alden
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Ken Ramos
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Joined: 04 May 2004
Posts: 4809
Location: Western North Carolina

PostPosted: Sun Aug 14, 2005 6:10 pm    Post subject: Reply with quote

I ment to comment on this earlier this evening. I saw one that looked something like this one, this afternoon but didn't get a shot of it. Nice sequencing shots here Rik, very nice. Very Happy
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Kenneth Ramos
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Kens Microscopy
Reposts of my images within the galleries are welcome, as are constructive critical critiques.
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nzmacro
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Joined: 20 Apr 2004
Posts: 1604
Location: New Zealand

PostPosted: Sun Aug 14, 2005 11:56 pm    Post subject: Reply with quote

Congrats on an excellent sequence Rik. Very nicely done. Great timing and the lighting couldn't be better for this.

All the best Rik, excellent sequence. Very Happy

Danny.
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Erland



Joined: 05 Aug 2005
Posts: 140
Location: Kolding, Denmark

PostPosted: Tue Aug 16, 2005 11:54 am    Post subject: Reply with quote

Never seen a series like this before, excellent stuff.

Erland
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