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Been reading here for a while, finally decided to post.

 
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Roundel



Joined: 30 Mar 2018
Posts: 9

PostPosted: Sat Mar 31, 2018 2:17 pm    Post subject: Been reading here for a while, finally decided to post. Reply with quote

Hi everyone! I've been lurking on these forums for a couple of years waiting until I could assemble a proper macro kit to get this stuff done. Here's a shot of an abalone shell, focus stacked and shot with a Tamron 90mm macro with some extension tubes for additional magnification. Magnification is about 1.75x. I think my Velbon has a broken gear on the inside as it skips a little. Anyway, I know there are a couple of errors in this but this is what I have so far. I have some scorpions I'll upload at a later date that I took for the California Academy of Sciences curator of arachnids.

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Roundel



Joined: 30 Mar 2018
Posts: 9

PostPosted: Sat Mar 31, 2018 2:28 pm    Post subject: Reply with quote

Also before people give me helpful hints, I am well aware of the problems in this image and can correct them in a later session.
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Roundel



Joined: 30 Mar 2018
Posts: 9

PostPosted: Sat Mar 31, 2018 2:46 pm    Post subject: Reply with quote

Here's one of the scorpions, a Uroctonus mordax from California. Preserved specimen.
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BugEZ



Joined: 26 Mar 2011
Posts: 710
Location: Loves Park Illinois

PostPosted: Sat Mar 31, 2018 6:18 pm    Post subject: Reply with quote

Lovely specimen. Well done!

Keith
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rjlittlefield
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Joined: 01 Aug 2006
Posts: 19183
Location: Richland, Washington State, USA

PostPosted: Sat Mar 31, 2018 7:42 pm    Post subject: Re: Been reading here for a while, finally decided to post. Reply with quote

Welcome to posting! The images look great.

Quote:
I know there are a couple of errors in this

For whatever it's worth, errors are not immediately obvious.

I would be interested to hear what you're seeing. Focus banding somewhere?

--Rik
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Roundel



Joined: 30 Mar 2018
Posts: 9

PostPosted: Mon Apr 02, 2018 12:23 am    Post subject: Reply with quote

Yeah, there are a number of regions with less than ideal focus in there. Nothing glaring at this resolution, but when viewed even at half the native resolution it's easily noticeable. Certainly due to user error vis a vis the rail I am using; it has a sticky spot once per rotation that I need to learn to accommodate. The scorpion was shot with a professional macro rail and is pixel-perfect at maximum size.
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