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sushidelic



Joined: 10 Jun 2016
Posts: 205

PostPosted: Thu Mar 15, 2018 8:38 am    Post subject: Oblique View Reply with quote

Auliscus Oamaruensis


Mitty 50x + 1x Jansjö

Best regards,
Michael
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JH



Joined: 09 Mar 2013
Posts: 1133
Location: Vallentuna, Stockholm, Sweden

PostPosted: Thu Mar 15, 2018 9:16 am    Post subject: Reply with quote

Shocked I like the 3D perspective!
Best regards Jörgen
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Smokedaddy



Joined: 07 Oct 2006
Posts: 1130
Location: Phoenix, Arizona

PostPosted: Thu Mar 15, 2018 11:58 am    Post subject: Reply with quote

Very nice? Would you mind telling how that was done? I do have one diatom that is mounted similar to your picture but of course nowhere near the quality of your posting.

You should make a stereo pair if possible.

-JW:
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sushidelic



Joined: 10 Jun 2016
Posts: 205

PostPosted: Thu Mar 15, 2018 2:01 pm    Post subject: Reply with quote

Hello and thanks for your answers.

The picture was made with a Nikon MM60 Measurescope, a little bit taylored for my purpose. Placed on the floor for safety, the thing is a beast at roughly 80 kg that would most likely break my table.



Sorry for the stage and other mess, the whole scope is still a building site.

The diatom is lying loosely on a slide, that is tilted with a ball head specimen stage.



Of course this is a 10x Mitty, not the 50x. one single Jansjö through a paper diffusor, that's it.

I'll try to make a stereo, but it takes considerably more time to do than a single view, so I have to try to find some time for it.

Best regards,
Michael
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Saul



Joined: 31 Jan 2011
Posts: 1174
Location: Naperville, IL USA

PostPosted: Thu Mar 15, 2018 2:16 pm    Post subject: Reply with quote

Very nice setup, what is that black "thing" with the stepper motor on the focus ? Gearbox ?
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Saul
Studio, horizontal and field setups
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sushidelic



Joined: 10 Jun 2016
Posts: 205

PostPosted: Thu Mar 15, 2018 2:23 pm    Post subject: Reply with quote

The MM60 has a triaxial focus. The stepper sits inside a 3D printed enclosure, that connects to the "middle" focus (the coarse focus is achieved by rotating the big lever). The shaft of the stepper is connected to the fine focus. Very minimal but works perfectly.
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Smokedaddy



Joined: 07 Oct 2006
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Location: Phoenix, Arizona

PostPosted: Thu Mar 15, 2018 4:02 pm    Post subject: Reply with quote

Like I said beautiful image and thanks for taking the time to post the additional images of the actual setup you used.

Last edited by Smokedaddy on Thu Mar 15, 2018 11:26 pm; edited 1 time in total
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ChrisR
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Joined: 14 Mar 2009
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Location: Near London, UK

PostPosted: Thu Mar 15, 2018 4:09 pm    Post subject: Reply with quote

Ooh, never seen an MM60, it looks very good.

Is the motor "fixed" on a coarse(r) focus while turning a fine(r) focus knob?

I find it odd that such a distorted-looking organism has such a round outline. Think
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rjlittlefield
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Joined: 01 Aug 2006
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Location: Richland, Washington State, USA

PostPosted: Thu Mar 15, 2018 9:03 pm    Post subject: Reply with quote

Quote:
I'll try to make a stereo, but it takes considerably more time to do than a single view, so I have to try to find some time for it.

Looking at your main image -- which is very nice! -- I'm suspecting that you spent quite a bit of time in tuning parameters and/or manual retouching.

The image is great, but as you say, doing a similar version in stereo could take a lot longer.

On the other hand, one way to save a lot of time with stereo is to just skip retouching altogether -- just run PMax and accept that there will be a lot of artifacts. Often artifacts from PMax, even if easily visible, will not interfere with understanding the 3-D shape. Then the combination of the single clean image and the stereo-with-artifacts image gives, well, certainly not the best of both worlds, but enough good to be very helpful.

--Rik
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Smokedaddy



Joined: 07 Oct 2006
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Location: Phoenix, Arizona

PostPosted: Thu Mar 15, 2018 9:54 pm    Post subject: Reply with quote

Thanks

Last edited by Smokedaddy on Thu Mar 15, 2018 11:25 pm; edited 1 time in total
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Jacek



Joined: 02 Oct 2011
Posts: 5027
Location: Poland

PostPosted: Thu Mar 15, 2018 10:35 pm    Post subject: Reply with quote

Good job, Super photo !
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sushidelic



Joined: 10 Jun 2016
Posts: 205

PostPosted: Fri Mar 16, 2018 3:26 am    Post subject: Reply with quote

Thanks for your replies!

ChrisR wrote:
Is the motor "fixed" on a coarse(r) focus while turning a fine(r) focus knob?
Exactly

rjlittlefield wrote:
just run PMax and accept that there will be a lot of artifacts. Often artifacts from PMax, even if easily visible, will not interfere with understanding the 3-D shape.
True, and considering that I will need to scale the stereo down to match de forum's rules, I think a straight PMax with little retouching will work fine. I already processed a stereo pair inside Zerene, and it looked quite convincing. I hope I'll finish it today.

@James: I had a glimpse at your Measurescope before you edited the post, really a nice beast! No need to delete the image, at least I didn't mind Smile.

Best regards,
Michael
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sushidelic



Joined: 10 Jun 2016
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PostPosted: Fri Mar 16, 2018 5:44 am    Post subject: Reply with quote

Quick stereo:

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Smokedaddy



Joined: 07 Oct 2006
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PostPosted: Fri Mar 16, 2018 8:42 am    Post subject: Reply with quote

Sweet, thanks for making the stereo.
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Olympusman



Joined: 15 Jan 2012
Posts: 3755

PostPosted: Fri Mar 16, 2018 1:26 pm    Post subject: Diatom Reply with quote

Ridicuously fabulous.

Mike
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