Polarized midge larvae

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Seta
Posts: 131
Joined: Thu Feb 18, 2021 8:24 pm
Location: Castellón, Spain

Polarized midge larvae

#1 Post by Seta » Wed Apr 07, 2021 2:10 pm

I did a whole series trying my polarizing set up, on top of the source light there is a 52mm polarizer, then in the middle of the swing out condenser a clear (or frosted) plastic CD protector from a CD box working as a retarder (kind of) and just below the camera the analyzer on a 30 to 37mm step up ring (makes it easy to remove it)

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First one is the front part with Nikon CF 10/0.50 Fluor via Direct projection on a Olympus BHT, XPol + retarder, 64 image stack with Sony A5100

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Big size

Stereo Pair

One more, same setup different adjustments; 66 images

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Big size

Stereo pair

Another one similar to the first one, different polarizer settings; 56 shots

Image

Big size

Stereo pair
Last edited by Seta on Fri Apr 09, 2021 7:21 pm, edited 3 times in total.

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IanW
Posts: 289
Joined: Sat Mar 07, 2015 2:58 pm
Location: Lancashire England

Re: Polarized midge larvae

#2 Post by IanW » Wed Apr 07, 2021 4:52 pm

A superb crisp photograph. Your experimental set up is working very well indeed!
Zeiss Jena NF, Zeiss Standard 18 and WL

DonSchaeffer
Posts: 3354
Joined: Sun Mar 22, 2020 10:06 am
Location: Winnipeg, Manitoba, Canada

Re: Polarized midge larvae

#3 Post by DonSchaeffer » Wed Apr 07, 2021 6:20 pm

The stereo really adds a lot to the image. How did you get that?

Seta
Posts: 131
Joined: Thu Feb 18, 2021 8:24 pm
Location: Castellón, Spain

Re: Polarized midge larvae

#4 Post by Seta » Wed Apr 07, 2021 7:45 pm

DonSchaeffer wrote:
Wed Apr 07, 2021 6:20 pm
The stereo really adds a lot to the image. How did you get that?
With Zerene stacker; is one of its features. When focus stacking more than 30 images or so you can get good synthetic stereo pairs

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