le pollen aux Camélias

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iconoclastica
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Joined: Sun Jan 20, 2019 5:43 pm

le pollen aux Camélias

#1 Post by iconoclastica » Tue Mar 19, 2019 8:02 pm

This is one of my first attempts to use the 1950 Lomo OI-2 darkfield condenser substage a Nikon optiphot. It's a wet condenser and I use it with glycerin. Sometimes it works very well, bright subjects and a nice black background, but often the field is uneven, with bright/black areas and with black/black areas (or even bright/bright spots). I move the subject around to a good contrasty spot... With 40x there are often nova-like halos.

Anyway, it's much better than what I got with a patch stop in an abbe condenser.

In two of the North-Western pollen grains it shows where the black/black area starts.
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pollen (Camelia). Nikon optiphot 20x/0.40; lomo oi-2 DF condenser; 50W halogen lamp full power.
pollen (Camelia). Nikon optiphot 20x/0.40; lomo oi-2 DF condenser; 50W halogen lamp full power.
Camelia pollen.jpg (78.17 KiB) Viewed 1872 times

billbillt
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Re: le pollen aux Camélias

#2 Post by billbillt » Tue Mar 19, 2019 8:47 pm

That is very, very good!...

BillT

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mrsonchus
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Location: Cumbria, UK

Re: le pollen aux Camélias

#3 Post by mrsonchus » Wed Mar 20, 2019 12:05 am

Ditto Bill, very nice clear image, always love to see pollen! :)

John B.
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KurtM
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Re: le pollen aux Camélias

#4 Post by KurtM » Wed Mar 20, 2019 12:49 am

Yes! More pollen images, please! 8-)
Cheers,
Kurt Maurer
League City, Texas
email: ngc704(at)aol(dot)com
https://www.flickr.com/photos/67904872@ ... 912223623/

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