Salt mix

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Saul
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Salt mix

#1 Post by Saul » Thu Jan 02, 2020 10:59 pm

Playing with new additions for the DF/Obl/Pol condenser insert

Single test shot (~50% crop), Nikon D7200, Microphot, 20x BD Plan, SB-800, LED/flash illuminator

Bigger at 2000px

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wporter
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Re: Salt mix

#2 Post by wporter » Fri Jan 03, 2020 1:23 am

Very dramatic, and nicely focused.
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mrsonchus
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Re: Salt mix

#3 Post by mrsonchus » Fri Jan 03, 2020 11:15 am

A very nice image and effect/s indeed. As said - very dramatic.
You've clearly a great technique old chap, nicely-done!
John B
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Radazz
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Re: Salt mix

#4 Post by Radazz » Mon Jan 06, 2020 3:29 pm

Very nice, and cool colors!
Radazz
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Saul
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Re: Salt mix

#5 Post by Saul » Tue Jan 07, 2020 4:41 am

Thank you all for your kind comments !

Setup used:
Video: https://youtu.be/EzCzoC0IHxY

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Saul
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Re: Salt mix

#6 Post by Saul » Wed Jan 08, 2020 6:12 pm

Tried another type of the slider instead slit - results are great, I can adjust 3D effect (even it is not close to the aperture !)

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Chris Dee
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Re: Salt mix

#7 Post by Chris Dee » Wed Jan 08, 2020 8:59 pm

Fantastic result, well done.
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PeteM
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Re: Salt mix

#8 Post by PeteM » Wed Jan 08, 2020 9:42 pm

Great images, Saul. Thanks for posting them.

Hoping you can add a bit of information to your setup. Is the "retarder" in your diagram a 1/4 wave, full wave or ?? plate. And is the rotatable filter /modulator a combination of ??? Do like that you've taken the time to model your setup. Regards, Pete
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75RR
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Re: Salt mix

#9 Post by 75RR » Wed Jan 08, 2020 10:26 pm

Nicely done. Good to see sharply focused polarized crystals.
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Wes
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Re: Salt mix

#10 Post by Wes » Thu Jan 09, 2020 5:17 pm

Awesome shot, I really like the dominant colors too!
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Saul
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Re: Salt mix

#11 Post by Saul » Thu Jan 09, 2020 7:54 pm

Thank you all for your kind comments !
PeteM wrote: ↑
Wed Jan 08, 2020 9:42 pm
 ...Is the "retarder" in your diagram a 1/4 wave, full wave or ?? plate. And is the rotatable filter /modulator a combination of ??? ....
Retarder for this photo was simple mica piece.
Rotatable filter/modulator - did not have right material on hand, so used small pieces of pol sheet and mica to make something similar to the HM modulator in order to match sliding slit in the insert.
75RR wrote: ↑
Wed Jan 08, 2020 10:26 pm
...Good to see sharply focused polarized crystals.
Could be better with stacking ... :)
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PeteM
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Re: Salt mix

#12 Post by PeteM » Fri Jan 10, 2020 2:15 am

Thanks, Saul. Very clever and effective setup.
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Saul
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Re: Salt mix

#13 Post by Saul » Wed Jan 15, 2020 2:32 am

Another one. King Kong ?

33 photos, same setup, except modulator - got some "ND sheet" from China, so tried to improvise HM "thing" plus pol filter together on the rotatable insert above the objective.

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Bigger:
https://live.staticflickr.com/65535/493 ... 73c7_k.jpg
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Saul
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Re: Salt mix

#14 Post by Saul » Wed Jan 15, 2020 3:56 am

Filters are temporary, just for testing, will make something better :) ...
Rotatable pol insert fits Nikon EPI illuminators, Microphots etc ( https://www.ebay.com/itm/323232270818 , 27mmx5.6mm) . It contains gears, when you are rotating one end, another rotates also.

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KurtM
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Re: Salt mix

#15 Post by KurtM » Thu Jan 16, 2020 12:46 am

Man, that first image is just the thing for Mardi Gras. Laissez les bons temps rouler!
Cheers,
Kurt Maurer
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PeteM
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Re: Salt mix

#16 Post by PeteM » Thu Jan 16, 2020 12:54 am

Second image looks even sharper. Bravo.
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Saul
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Re: Salt mix

#17 Post by Saul » Thu Jan 16, 2020 2:04 am

KurtM wrote: ↑
Thu Jan 16, 2020 12:46 am
 Man, that first image is just the thing for Mardi Gras. Laissez les bons temps rouler!
Ha ha, thanks Kurt, great idea ! :D
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Saul
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Re: Salt mix

#18 Post by Saul » Thu Jan 16, 2020 2:12 am

PeteM wrote: ↑
Thu Jan 16, 2020 12:54 am
 Second image looks even sharper. Bravo.
Thanks Pete, it is correct - 1st photo is single shot, 2nd - stack of 33.
This is Nikon BD Plan 20x 0.4 , will try objective with higher NA
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Saul
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Re: Salt mix

#19 Post by Saul » Sat Jan 25, 2020 12:30 am

Some photos of the slider:

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