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04-09-2017, 05:49 PM   #1
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Big buck Nikon lens owners...

I posted this on another side, but am really interested...And I've done a search but it seems the only answer is "use Nikon filters". The set-up: I have a D7100 that I had converted to full spectrum and want to rent the reportedly magnificent 200mm f2 lens with 52mm drop in filter. Problem is, I want to be able to take "normal" photos in addition to full spectrum and I have a 52mm hot mirror filter from Kolari (who did the conversion). However, it appears the permissible thickness of a filter for use in the Nikon drop in filter holder is an international secret. And Nikon does not offer that dimensional limitation anywhere I can find (lens manuals included) nor apparently their own 52mm hot mirror filter. Can anyone advise?

Thanks,
Z

04-10-2017, 01:27 PM   #2
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I realize this is somewhat obscure, but...really?!?
04-10-2017, 02:37 PM   #3
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best bet would be using a P filter holder and test with several square filters..
Since an ir filter has that aquamarine tint, probably you could use a laboratory square sample glass and then adjust the hue in camera..
04-10-2017, 04:02 PM   #4
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Thanks. I think I will try to chuck the hot mirror filter in a lathe and face it until it's thin enough (using cheap IR filters to soft jaw on). Worse case is I lose $50 on a filter...

04-10-2017, 05:45 PM   #5
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pics of the process will be great!
04-20-2017, 05:44 AM - 1 Like   #6
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Good news, the filter fit w/o mods ...
04-20-2017, 12:19 PM   #7
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QuoteOriginally posted by HomeMadeSin Quote
Good news, the filter fit w/o mods ...
hey, thats great! good to know!
What type and brand did you use?
04-20-2017, 06:24 PM   #8
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The filter I used was a 52mm hot mirror filter sold by Kolari (who did my D7100 conversion to full spectrum). It was just under 7mm thick front to back.

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