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Chinese algae eater at 1:1 magnification...

 
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twebster
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Joined: 19 Apr 2004
Posts: 1518
Location: Phoenix "Valley of the Sun", Arizona, USA

PostPosted: Thu Jul 20, 2006 12:48 am    Post subject: Chinese algae eater at 1:1 magnification... Reply with quote

Hi y'all, Very Happy

I just finished building a new diffuser box for my flash to light my macro subjects. The closest test subject I had at hand was a Chinese algae eater in my aquarium... Very Happy


Chinese Algae Eater (Gyrinocheilus aymonieri) Canon EOS 20D with Tamron 90mm f 2.8 macro lens set to 1:1 image magnification, Canon 550ex with homemade "double diffuser" box, ISO 200, 1/250th sec @ f 8, handheld, full frame, no cropping.

The algae eater was about 1" from the aquarium glass. I positioned the flash/diffuser box just above the front of the lens and aimed down about 45 or, maybe, a little less. Notice how diffuse the highlight in the eye has become and also notice how diffuse the shadow is under the fin. The diffusion box is about 4" above the fish. My new "double diffuser" box appears to work very well. Very Happy

For a brief description as to how I made the "double diffuser" box, see this post... http://www.photomacrography1.net/forum/viewtopic.php?t=5426. The box I made is, I readily admit, awkward but the quality of lighting offsets that disadvantage. I can still attach the flash w/diffuser box on my Kirk Enterprises macro flash bracket and position it where necessary. The foamcore is at least very light. I have a Sigma 180mm macro lens on order and now I am anxious to see how well this diffusion box works with that lens. Very Happy

Best regards to all as always Exclamation Very Happy
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Tom Webster
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Think about this...maybe Murphy is an optimist!!!
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Ken Ramos
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Joined: 04 May 2004
Posts: 4809
Location: Western North Carolina

PostPosted: Thu Jul 20, 2006 3:46 am    Post subject: Reply with quote

Wow, what a shot Tom. Was that taken with a "fisheye" lens? Laughing Wink
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Kenneth Ramos
Rutherfordton, North Carolina
Kens Microscopy
Reposts of my images within the galleries are welcome, as are constructive critical critiques.
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Beetleman



Joined: 02 Apr 2006
Posts: 362
Location: Southern New Hampshire USA

PostPosted: Thu Jul 20, 2006 4:33 am    Post subject: Reply with quote

What do you mean!!! The fish only has one eye now Shocked Very good subject and a beautiful picture Tom
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Doug Breda
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twebster
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Joined: 19 Apr 2004
Posts: 1518
Location: Phoenix "Valley of the Sun", Arizona, USA

PostPosted: Thu Jul 20, 2006 12:14 pm    Post subject: Reply with quote

Ken Ramos wrote:
Wow, what a shot Tom. Was that taken with a "fisheye" lens? Laughing Wink


OK, I deserved that for posting the hummingbird photo Exclamation Very Happy
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Tom Webster
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Ken Ramos
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Joined: 04 May 2004
Posts: 4809
Location: Western North Carolina

PostPosted: Thu Jul 20, 2006 3:21 pm    Post subject: Reply with quote

Why Tom, I liked the humming bird photo and the fish is good too! Very Happy
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Kenneth Ramos
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Wim van Egmond



Joined: 08 Apr 2005
Posts: 440
Location: Rotterdam, the Netherlands

PostPosted: Fri Jul 21, 2006 2:16 am    Post subject: Reply with quote

Nice!!! What design flash diffuser did you make, Tom?

And another thing. I have done some macro of marine organisms and I think the quality of the glasss makes a difference! Has anyone been thinking about that? There is optical glass with better quality and if you make a little tank from that glass the image quality will improve. Not that this it not good, Tom. It is just something worth considering!

Wim
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twebster
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Joined: 19 Apr 2004
Posts: 1518
Location: Phoenix "Valley of the Sun", Arizona, USA

PostPosted: Fri Jul 21, 2006 7:17 am    Post subject: Reply with quote

Hi ya' Wim, Very Happy

Thanks for the nice comment, my friend. I have a description of the box at http://www.photomacrography1.net/forum/viewtopic.php?t=5426. I'll post a photo of it a little later this weekend. OK?

Best regards as always, Wim. Very Happy
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