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Newbie second attempt

 
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stephenlewis



Joined: 21 Oct 2017
Posts: 7
Location: Cheshire. GB.

PostPosted: Wed Dec 06, 2017 3:09 pm    Post subject: Newbie second attempt Reply with quote

Hello everyone.

Second attempt at this macro thingy!

The photograph was taken using a Nikon D800, a Nikkor 50mm enlarging lens reverse mounted on a set of bellows, all mounted on a Wemacro rail. The subject was a Green and black horned beetle (Mystroceros rouyeri). The lighting was two flash units, which are new to me and took a while to fathom.

I finished up with 90 photographs, which were divided into three stacks each with 30 photographs. Each individual stack was processed using Zerene Stacker to produce a Dmap image, and the three resulting images were then stacked into a final image using Dmap. The final image was processed using a combination of Photoshop and Topaz.


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Stephen.
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BugEZ



Joined: 26 Mar 2011
Posts: 642
Location: Loves Park Illinois

PostPosted: Wed Dec 06, 2017 3:38 pm    Post subject: Reply with quote

Wow! Excellent work! Shiny beetles can be quite tricky.

Why did you subdivide the images? How did you pick the dividing point?

Once again, my complements!

Keith
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ChrisR
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Joined: 14 Mar 2009
Posts: 7257
Location: Near London, UK

PostPosted: Wed Dec 06, 2017 5:10 pm    Post subject: Reply with quote

Very encouraging:).
Being picky, there is a fuzzy patch about 3/4 the way up each "horn". Any idea why?
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mawyatt



Joined: 22 Aug 2013
Posts: 985

PostPosted: Wed Dec 06, 2017 5:59 pm    Post subject: Reply with quote

Stephen,

Great work!! Only 2nd attempt....amazing results!!!

Best,

Mike[/b]
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stephenlewis



Joined: 21 Oct 2017
Posts: 7
Location: Cheshire. GB.

PostPosted: Wed Dec 06, 2017 7:01 pm    Post subject: Reply with quote

BugEZ wrote:
Wow! Excellent work! Shiny beetles can be quite tricky.

Why did you subdivide the images? How did you pick the dividing point?

Once again, my complements!

Keith


Hi Keith

After a lot of trial and error with my first effort I found that this method resulted in fewer artefacts. The split into three again came from experimenting as I found that anymore than 35 or so images also produced artefacts. I think that generally the fewer images stacked the fewer problems.
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Stephen.
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stephenlewis



Joined: 21 Oct 2017
Posts: 7
Location: Cheshire. GB.

PostPosted: Wed Dec 06, 2017 7:05 pm    Post subject: Reply with quote

ChrisR wrote:
Very encouraging:).
Being picky, there is a fuzzy patch about 3/4 the way up each "horn". Any idea why?


Hi Chris.

I think that my starting point for focus wasn’t accurate enough, and the two out of focus areas are a result of operator error !
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ChrisR
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Joined: 14 Mar 2009
Posts: 7257
Location: Near London, UK

PostPosted: Wed Dec 06, 2017 7:11 pm    Post subject: Reply with quote

OK we'll let you off (for now Wink)

This is part way through the depth though, isn't it? ? Or, when you said 3 stacks, did you have to back off coarse focus and restart fine, or something?
I'm just wondering if you were doing someting "odd".
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Sumguy01



Joined: 28 Jan 2013
Posts: 905
Location: Ketchikan Alaska USA

PostPosted: Wed Dec 06, 2017 9:24 pm    Post subject: Reply with quote

Very Happy Very nice.
Thanks for sharing.
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