Author Topic: Special Exhibition "Ultra-Micro-NIKKOR"  (Read 3428 times)

John Geerts

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Re: Special Exhibition "Ultra-Micro-NIKKOR"
« Reply #15 on: April 05, 2018, 12:53:34 »
Very interesting. Thanks for the link.

Jack Dahlgren

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Re: Special Exhibition "Ultra-Micro-NIKKOR"
« Reply #16 on: April 05, 2018, 16:22:20 »
Some more info on these Nikkors:


https://www.mir.com.my/rb/photography/companies/nikon/nikkoresources/RF-Nikkor/Micro_RF/index2.htm


Similarly, the shorter the wavelength used, the higher the resolution.

This is very true. Currently feature sizes on semiconductors are smaller than the wavelengths used to create them requiring using multiple patterning and using the same feature on the mask to pattern two separate features on the silicon (using the diffraction effects when light passes through a slit/slits).

I would imagine that these lenses are the philosophical opposites to Michael’s beloved APO’s. They are typically highly corrected at a single wavelength with no compromise made for wide spectrum. 

richardHaw

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Re: Special Exhibition "Ultra-Micro-NIKKOR"
« Reply #17 on: April 07, 2018, 06:30:09 »
here's one at home  :o :o :o

Michio Akiyama

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Re: Special Exhibition "Ultra-Micro-NIKKOR"
« Reply #18 on: April 11, 2018, 17:35:14 »
My friend Mr. Siroyagi-san's flickr is great!
He visited the Nikon Museum and took a lot of pictures for you.
Please browse, enjoy and have fun! Thank you Siroyagi-san!

Siroyagi's flickr, The Nikon Museum Special Exhibition
https://www.flickr.com/photos/siroyagi3000/sets/72157665646722947/