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Hello from Geneva, Switzerland

 
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YannickW



Joined: 20 Nov 2010
Posts: 1

PostPosted: Fri Dec 03, 2010 12:23 am    Post subject: Hello from Geneva, Switzerland Reply with quote

Hello

My name is Yannick. I’m from Geneva, Switzerland. My main interest in photography is wildlife photography. I was looking to something to photography during the winter (there is not much to photography in winter here and the days are shorts) when I saw some fly eyes photography… Animals, technique and computer… All what I like Very Happy After some search on internet, I found your forum with plenty of very interesting information.

I have a Nikon D300, a PB-6 and just received a StackShot rail. I have started to build a table top setup (I will post some pics when it’s finished) and now I face the tricky question: selecting the microscope lens. I would like to make picture of things like fly heads and details of the heads.

Could you help me with the selection of the lens for this kind of pictures? I have found the following from opticsplanet.net in order of price:


  1. MRN70040: Nikon 4x CFI Plan Achromat Objective
  2. MRN70100: Nikon 10x CFI Plan Achromat Objective
  3. MRP70040: Nikon CFI E Plan Microscope Objective 4x
  4. MRP70100: Nikon CFI E Plan Microscope Objective 10x
  5. MRN20100: Nikon Microscope CFI BE Plan Achromat DL Phase Contrast Objective 10x


Thanks for your help,
Yannick

PS: Sorry for my bad English…
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AndrewC



Joined: 14 Feb 2008
Posts: 1436
Location: Belgium

PostPosted: Fri Dec 03, 2010 4:39 am    Post subject: Reply with quote

Welcome Smile

Those are (I think) all infinite objectives so need a tube lens or similar.

Look at this thread: http://www.photomacrography.net/forum/viewtopic.php?t=9664&highlight=infinite+objective
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Pau
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Joined: 20 Jan 2010
Posts: 4242
Location: Valencia, Spain

PostPosted: Fri Dec 03, 2010 8:47 am    Post subject: Reply with quote

There is a lot of info in this forum about this subjet. You can use the search facility with keywords like nikon cf, nikon cfi, and infinity objective to find it, being the most complete the one linked by Andrew.

Nikon CFI are infinite corrected objectives, and aren't adequate for direct use in bellows, CF finite corrected (160 or 210 tube lens) are.

CFs are discontinued models and you can find them in the used market (mainly eBay).

Between the lenses you mentioned, the CFI Plan 10X 0.25 is very good (the E plan models are of inferior quality series) and the DL are designed for phase contrast microscopy, so no ideal for macro work.
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rjlittlefield
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Joined: 01 Aug 2006
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PostPosted: Fri Dec 03, 2010 9:07 am    Post subject: Re: Hello from Geneva, Switzerland Reply with quote

YannickW wrote:
I have found the following from opticsplanet.net in order of price:

  1. MRN70040: Nikon 4x CFI Plan Achromat Objective
  2. MRN70100: Nikon 10x CFI Plan Achromat Objective

Be aware that these lenses are not quite what you have written. The picture shown at opticsplanet.net is for the CFI Plan Achromat series, but the description says "Nikon CFI BE Plan Achromat Objectives". The BE series objectives are a new design, specifically intended to be used on Nikon's Eclipse microscope. They are substantially cheaper than the original non-BE objectives ($83 versus $285, list price in April 2010) . Presumably this means some compromises in optical quality (field of view, perhaps), but no one has reported test results so we do not know for sure.

The Nikon 10X CFI Plan Achromat (not BE) is a superb lens, as discussed in the long thread HERE. I cannot find it offered by Optics Planet, but it can commonly be found on eBay as either used or new (China) in the $100 price range.

--Rik
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