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Subject: "Amateur medical imaging" Previous topic | Next topic
kenuck Silver Member Nikonian since 03rd Nov 2008Fri 14-Sep-12 12:58 AM
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"Amateur medical imaging"
Fri 14-Sep-12 11:38 PM by kenuck

Burnaby, CA
          

Using a V1 for macro: A friend wanted pictures of her kidney stone before sending it in for analysis. I mounted the V1 + FT-1 to my old bellows + 50mm f/1.4 D lens. I had to put an extension tube in front of the bellows so that the "foot" on the FT-1 didn't hit the rails on the bellows. I found I couldn't just use extension tubes as the V1 gave an FEE error, even though the lens was set at f/16. Another option would be to use extension tubes and reverse the lens, but I couldn't find my reversing ring.



Depth of field is always a problem in cases like this...f/4 1/3 sec electronic shutter, remote trigger, un-cropped. Focus on nearest side, Levels and moderate sharpening



So I took 5 images focused across the depth of the kidney stone, then merged them in Helicon Focus. The stone was about 4 mm across and apparently very painful - it looks like cut glass!


Ken

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Attachment #1, (jpg file)
Attachment #2, (jpg file)
Attachment #3, (jpg file)

  

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nwcs Silver Member Awarded for his in-depth knowledge in various areas, including Landscape and Wildlife Photography Nikonian since 15th Jan 2006Fri 14-Sep-12 06:43 PM
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#1. "RE: Amateur medical imaging"
In response to Reply # 0


Knoxville, US
          

Very interesting! And a great use of the V1 + macro. I've experimented with the V1 and my 105 macro but haven't had a lot of time to really try something special yet.

  

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Snappo Silver Member Nikonian since 10th Apr 2004Thu 11-Oct-12 12:27 AM
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#2. "RE: Amateur medical imaging"
In response to Reply # 1


Tulsa, US
          

Cool project, very well done. Wish I still owned my bellows from 30-40 years ago.

an old duffer with the time to have fun,
Jim

  

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KnightPhoto Gold Member Nikonian since 18th Dec 2006Mon 15-Oct-12 11:50 PM
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#3. "RE: Amateur medical imaging"
In response to Reply # 2


Alberta, CA
          

+ 1

Super interesting!

Yay V1 to the rescue. I just, finally, did some birding with mine and the FT-1 and it was a lot of fun.

Best regards, SteveK

'A camera is an instrument that teaches people how to see without a camera.' -- Dorothea Lange
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