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Scorpion tail
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Smokedaddy



Joined: 07 Oct 2006
Posts: 1547
Location: Phoenix, Arizona

PostPosted: Thu Feb 13, 2020 4:47 pm    Post subject: Reply with quote

rjlittlefield wrote:
Yes, this looks excellent.

Note to other people: this pair is designed for parallel viewing, not crossed eyes.

--Rik


And the difference being?

-JW:
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rjlittlefield
Site Admin


Joined: 01 Aug 2006
Posts: 20363
Location: Richland, Washington State, USA

PostPosted: Thu Feb 13, 2020 6:15 pm    Post subject: Reply with quote

Parallel: left eye image on left side of pair.

Crossed: left eye image on right side of pair.

Viewing either one as if it were the other results in depth inversion, so a convex object looks concave.

Most images published in this forum are crossed-eye, so they can be viewed without aid by people have learned the trick.

--Rik
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Smokedaddy



Joined: 07 Oct 2006
Posts: 1547
Location: Phoenix, Arizona

PostPosted: Thu Feb 13, 2020 6:17 pm    Post subject: Reply with quote

rjlittlefield wrote:
Parallel: left eye image on left side of pair.

Crossed: left eye image on right side of pair.

Viewing either one as if it were the other results in depth inversion, so a convex object looks concave.

Most images published in this forum are crossed-eye, so they can be viewed without aid by people have learned the trick.

--Rik


Thanks for a simple explanation.

-JW:
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Smokedaddy



Joined: 07 Oct 2006
Posts: 1547
Location: Phoenix, Arizona

PostPosted: Mon Feb 17, 2020 8:16 pm    Post subject: Reply with quote

Thought I'd experiment with a UV flashlight on this little critter. Below is a link to a larger image.

https://squattingdog.smugmug.com/My-First-Gallery/i-XJPVrmP/A



-JW:


Last edited by Smokedaddy on Tue Feb 18, 2020 1:53 pm; edited 1 time in total
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Smokedaddy



Joined: 07 Oct 2006
Posts: 1547
Location: Phoenix, Arizona

PostPosted: Tue Feb 18, 2020 1:47 pm    Post subject: Reply with quote

Here's a panorama created with PTGui. Shot with a DiMAGE 5400 scanner lens at 1.8x magnification with a Canon 50D. Not spot on, stack wise, but close. Below is a link to a much larger version. Once there if you click on the image you can pan through it.

https://squattingdog.smugmug.com/My-First-Gallery/i-2tdFsmJ/A



-JW:
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Saul



Joined: 31 Jan 2011
Posts: 1510
Location: Naperville, IL USA

PostPosted: Tue Feb 18, 2020 3:33 pm    Post subject: Reply with quote

UV picture is impressive !
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mawyatt



Joined: 22 Aug 2013
Posts: 2329
Location: Clearwater

PostPosted: Tue Feb 18, 2020 5:05 pm    Post subject: Reply with quote

Nice images JW!!! What extension did you use with the Di5400?

Best,
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Smokedaddy



Joined: 07 Oct 2006
Posts: 1547
Location: Phoenix, Arizona

PostPosted: Tue Feb 18, 2020 8:36 pm    Post subject: Reply with quote

mawyatt wrote:
Nice images JW!!! What extension did you use with the Di5400?

Best,


It's mounted on my Nikon MM-11. I need to design another adapter to achieve 1:1 magnification. My camera is mounted as close as possible on top. As I mentioned, this was 1.8x. Of course my illumination isn't shown below nor my diffuser. All of my Nikon Measuurescope lenses mount on that adapter too, as do my enlarger lenses.



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mawyatt



Joined: 22 Aug 2013
Posts: 2329
Location: Clearwater

PostPosted: Wed Feb 19, 2020 7:20 am    Post subject: Reply with quote

Smokedaddy wrote:
mawyatt wrote:
Nice images JW!!! What extension did you use with the Di5400?

Best,


It's mounted on my Nikon MM-11. I need to design another adapter to achieve 1:1 magnification. My camera is mounted as close as possible on top. As I mentioned, this was 1.8x. Of course my illumination isn't shown below nor my diffuser. All of my Nikon Measuurescope lenses mount on that adapter too, as do my enlarger lenses.





Thanks, from the picture this looks like ~100mm extension from the sensor.

Best,
_________________
Research is like a treasure hunt, you don't know where to look or what you'll find!
~Mike
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Smokedaddy



Joined: 07 Oct 2006
Posts: 1547
Location: Phoenix, Arizona

PostPosted: Wed Feb 19, 2020 7:42 am    Post subject: Reply with quote

... not sure where you would measure to on a scanning lens but it's in that neighborhood.
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