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PN105 Wafer Image

 
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mawyatt



Joined: 22 Aug 2013
Posts: 985

PostPosted: Mon Oct 02, 2017 5:10 pm    Post subject: PN105 Wafer Image Reply with quote

Here's a couple images with my new to me Printing Nikkor PN105mm F2.8A (thanks Ray). I used a Wemacro Vertical Stand with a Nikon D800E and PB6 Bellows. Focus rail is a modified (MJKZZ kit) THK KR20 controlled by Wemacro controller. The subject is a old 6" silicon wafer apparently with some very large test chips.

This image is a single image from the stack shot at ~1X.

Lighting was from a 8" by 3" by 9" cone made from $ Store stiff white paper and 3 strobes. I had to use hp inkjet paper as a white balance as the cheap paper cone had a ugly yellow cast. I'll be getting some better material for the cone soon to help improve the lighting....and working on the other aspects of the setup.

Anyway, think this is a good start for the PN105 Very Happy

BTW these look much better in full resolution.

Best,

Mike




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RobertOToole



Joined: 17 Jan 2013
Posts: 405
Location: United States

PostPosted: Mon Nov 06, 2017 9:36 pm    Post subject: Reply with quote

Top image looks great Mike.

For some reason the bottom one looks soft, I am sure the original is not judging by the other images I have seen of yours.

Great work on the lighting!

Robert
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mawyatt



Joined: 22 Aug 2013
Posts: 985

PostPosted: Tue Nov 07, 2017 6:55 am    Post subject: Reply with quote

Robert,

I hadn't noticed, but you are right it does look soft. Probably caused by my downsizing. As you say the originals are much sharper.

Looking forward to your 4X test.

BTW did you ever make it to Clearwater?

Best,

Mike
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