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Cuckoo bee (Paper vs foam diffuser test)

 
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lauriek
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Joined: 25 Nov 2007
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Location: South East UK

PostPosted: Tue Apr 14, 2009 1:11 pm    Post subject: Cuckoo bee (Paper vs foam diffuser test) Reply with quote

Cuckoo Bee (Nomada sp.) Please let me know if you don't think this is right, I'm not certain on this one, though I'm pretty sure it's a solitary bee of some kind, it has feathery hairs...



The usual setup, OM38/2.8 @ f2.8, 48 images stacked in ZS


Here's a side on shot;



same setup, 48 images stacked in ZS

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Last edited by lauriek on Wed Apr 15, 2009 3:06 am; edited 1 time in total
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lauriek
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PostPosted: Wed Apr 15, 2009 3:05 am    Post subject: Reply with quote

Incidentally I've been doing a few tests, the shots above were with a paper diffuser. The following shot is framed almost identically to the first shot above but was using a foam diffuser...



At web size I think this shot looks better, but at full resolution, more detail is definitely visible in the hairy sections in the first shot. However I think the less diffuse light in this shot gives more definition to the bits of the compound eyes.

It seems like everything in photography, diffusion is a real balancing act!
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rjlittlefield
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PostPosted: Wed Apr 15, 2009 7:17 am    Post subject: Reply with quote

Absolutely.

Using paper diffusers and a fiber illuminator, what I find myself doing is adjusting the distance between the fiber bundle and the paper.

This changes the size of the virtual light source, so I can dial in anything from the diameter of the bundle up to a most of a hemisphere, or a combination of those by using two bundles.

This idea is of course cribbed from Charlie Krebs' notes.

Nice illustration!

--Rik
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kds315*



Joined: 02 Feb 2009
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PostPosted: Sat Apr 18, 2009 12:07 pm    Post subject: Reply with quote

I like the "foam diffusor shot" better, since it brings a higher contrast all over and a few nice highlights.
Which foam did you use??
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Klaus

http://www.macrolenses.de for macro and special lens info
http://www.pbase.com/kds315/uv_photos for UV Images and lens/filter info
http://photographyoftheinvisibleworld.blogspot.com/ my UV diary
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lauriek
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PostPosted: Sat Apr 18, 2009 4:05 pm    Post subject: Reply with quote

Klaus,

It's that thin white foam you get wrapped round all sorts of electronics these days. I think the best bit I have was wrapped around an LCD monitor...
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