Author Topic: Nippon Kogaku Nikkor-O 2,1cm/4.0  (Read 978 times)

Chris Dees

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Re: Nippon Kogaku Nikkor-O 2,1cm/4.0
« Reply #15 on: March 26, 2021, 20:46:48 »
I might have got the lens from you, Paul.

Chris: I did cobble together a DIY adapter Nikon F-RF(S) in the old days to use the lens on my black Nikon S3. When I purchased some Cosina-made Voigtländer Skopars for the RF mount some years ago, I also got a factory Cosina/Voigtländer F-RF(S) adapter from S.Grimes.  No problem for any of the two solutions to mount the 2.1cm Nikkor despite it being of the early generation.

To mount the 2.1cm on my Z bodies, I used a K&F Concept Nikon RF(S)-Z adapter together with the CV adapter.

Thanks Birna
Chris Dees

mxbianco

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Re: Nippon Kogaku Nikkor-O 2,1cm/4.0
« Reply #16 on: March 26, 2021, 22:00:14 »
Did some testing, and the conclusion is:
No way to mount the 2.1cm safely onto the FTZ - it is too narrow to allow the lens to turn correctly and click in place.
No problem mounting it on a chinese AI - N/Z adapter (10€ on Ebay): it clicked in place and infinity focussing was possible. The rear lens extends 3 mm inside the Z mount, but it does not touch anywhere (it would result in damage to the rear lens if that happened!). Quality at the corners is quite soft (Birna -as usual- was right), I did only some night test shots and the results are not conclusive.

The AI-N/Z is machined from a solid piece of aluminum alloy (tube and Z-mount), the F-mount is a piece of steel attached to the tube with three screws. No contacts (not needed at least for the 2.1 cm, different story if you have chipped lenses, but the FTZ kicks in for those).

Ciao from Massimo
Since evolution has given us TWO ears and ONE mouth, we are supposed (me included) to be doing more listening than talking.

Chris Dees

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Re: Nippon Kogaku Nikkor-O 2,1cm/4.0
« Reply #17 on: March 27, 2021, 20:43:50 »
Did some testing, and the conclusion is:
No way to mount the 2.1cm safely onto the FTZ - it is too narrow to allow the lens to turn correctly and click in place.
No problem mounting it on a chinese AI - N/Z adapter (10€ on Ebay): it clicked in place and infinity focussing was possible. The rear lens extends 3 mm inside the Z mount, but it does not touch anywhere (it would result in damage to the rear lens if that happened!). Quality at the corners is quite soft (Birna -as usual- was right), I did only some night test shots and the results are not conclusive.

The AI-N/Z is machined from a solid piece of aluminum alloy (tube and Z-mount), the F-mount is a piece of steel attached to the tube with three screws. No contacts (not needed at least for the 2.1 cm, different story if you have chipped lenses, but the FTZ kicks in for those).

Ciao from Massimo

Thanks Massimo.
I could give that a try, but I can’t find it on eBay.
Only https://www.ebay.nl/itm/AI-Nik-Z-Mount-Lens-Adapter-ring-for-Nikon-f-ai-lens-To-N-Z-Z6-Z7-Camera-body/383920041753?_trkparms=ispr%3D1&hash=item59636aef19:g:hDUAAOSw0PNgD9mh&amdata=enc%3AAQAFAAACcBaobrjLl8XobRIiIML1V4Imu%252Fn%252BzU5L90Z278x5ickkxFtV7J5P58ubuVigtBH%252Fe643HfI3KMXMCnbKILuKa8t%252FhKZ9%252BKmfR7R%252BMePPp4V8A528f1oJxCNwGCwVqdmIqSeYM7k%252BbhFtILVW8Zppgv8qgatIMNqqItdALsmJsLA%252FUiBBMWYmHk94dcCGboXy%252BVg33b%252BHRzgE52EcROyWRweh7W4icKPV3ZOml5sgUeJ5zteKk4F%252F9KEILj6UZ2gditvwJhTInXFycMmNnKfqALghIjjrG8rni1t2k9KxdtOA%252B5QFxZYYe13No%252FBGDc8cjEmfU%252B8NANtuM4F13sD%252FmYpiRp%252BmCxCuy5uOJZoEUhp4Ay20FrwbZmSOLlABhzpwBXQFZkuBxQd7NW6K562EVIKQyeX31gBHTyvpRSi7epa0VoWY3zgSNRH9mp2z2zAOFu3bOrwBTKyK6yi%252FZV4hBw48GfAJtPpaZWUWBJfxy17n8LFBj775kpCuXoWVoHFfSqV%252ByfPiorp7MAaMkTRs84GiltgrGdrG%252BRgqrk5mb4NByhQ8QlbCnWQ4rNYAwxDao0G6Nbz%252FhtZVRT%252F9k71o4cALn%252FpItbHzZC82ICV9%252BZwvnE%252Bu4Ph6CUdKyB%252BQvAPwREVhMpXiP0b3agiIlpBa9l9RH8noKH7NWszT9nY%252BbIgyflWYdu3biehcwcVvkm7ASWDRrRM4HXKA1B3FjMSPbazBSCczNn8TA%252B%252BOv5r1SgUwuef7v09bUgHXpUFJzk6gv5328G72r1ZIuuSnOtwIDBJ0Kcy9jDCMXtH5K3C3DjDHuw%252Bi9qecemu4seSvJM5q9Q%253D%253D%7Ccksum%3A3839200417539560302966be48c0b6955e8c0c5129e0%7Campid%3APL_CLK%7Cclp%3A2334524
Chris Dees

mxbianco

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Re: Nippon Kogaku Nikkor-O 2,1cm/4.0
« Reply #18 on: March 27, 2021, 21:14:15 »
Thanks Massimo.
I could give that a try, but I can’t find it on eBay.
Only

The one you indicated seems to work as well as the one I've found. The important thing is the absence of internal baffles/flanges that restrict the rotation of the lens when you mount it: that's the problem with the FTZ. Naturally the absence of contacts will give a 0mm/f0 in the EXIF, but it can be easily corrected with Exiftool or a similar tool.

Another word of caution: since the rear lens extends beyond the Z-mount, in order to mount the rear lenscap I had to put a small extension tube (a 10mm Meike), otherwise the rear element would touch the cap and get scratched. When taking photographs, you remove the extension tube, or you keep it on if you want to get closer than the 90 cm minimal distance of the 2.1cm.

Ciao from Massimo
Since evolution has given us TWO ears and ONE mouth, we are supposed (me included) to be doing more listening than talking.

Chris Dees

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Re: Nippon Kogaku Nikkor-O 2,1cm/4.0
« Reply #19 on: March 27, 2021, 21:31:49 »
The one you indicated seems to work as well as the one I've found. The important thing is the absence of internal baffles/flanges that restrict the rotation of the lens when you mount it: that's the problem with the FTZ. Naturally the absence of contacts will give a 0mm/f0 in the EXIF, but it can be easily corrected with Exiftool or a similar tool.

Another word of caution: since the rear lens extends beyond the Z-mount, in order to mount the rear lenscap I had to put a small extension tube (a 10mm Meike), otherwise the rear element would touch the cap and get scratched. When taking photographs, you remove the extension tube, or you keep it on if you want to get closer than the 90 cm minimal distance of the 2.1cm.

Ciao from Massimo

Again thanks Massimo. :-)
I ordered one. Now let’s see how long it takes to get to my door.
Chris Dees

richardHaw

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Re: Nippon Kogaku Nikkor-O 2,1cm/4.0
« Reply #20 on: March 27, 2021, 23:27:56 »
im yet to find an adapter that works with the tickmark lenses :o :o :o

Akira

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Re: Nippon Kogaku Nikkor-O 2,1cm/4.0
« Reply #21 on: March 29, 2021, 10:23:14 »
Rick just shared the latest article of Ten Thousand And One Nights whose chapter VI is very well related to the issue discussed in this thread.

https://imaging.nikon.com/history/story/0077/index.htm?fbclid=IwAR0C7IQK0qQ-YsrJpnFw2I8WVrCPki5jB-AVBlUUsHyLgKDfFuIk2QpFJbo
"The eye is blind if the mind is absent." - Confucius

"Limitation is inspiration." - Akira

Chris Dees

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Re: Nippon Kogaku Nikkor-O 2,1cm/4.0
« Reply #22 on: April 02, 2021, 13:26:30 »
Got my knock-off adapter, but unfortunately no succes.
The lens fits nicely in the mount, but then I can't turn it to lock on the adapter. :(
I guess there's some grinding and drilling necessary on the adapter.
It seems the collar of the lens is too thick and this prevents turning.
Chris Dees

mxbianco

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Re: Nippon Kogaku Nikkor-O 2,1cm/4.0
« Reply #23 on: April 02, 2021, 20:21:02 »
Got my knock-off adapter, but unfortunately no succes.
The lens fits nicely in the mount, but then I can't turn it to lock on the adapter. :(
I guess there's some grinding and drilling necessary on the adapter.
It seems the collar of the lens is too thick and this prevents turning.

I have a lot of room inside my AI-N/Z adapter (see photo 1)
For completeness, I also have a photo of the 2.1 cm lens mounted on my Z6, and two more photos, one illustrating how much the 2.1 cm sticks out of the Z-mount (without touching inside the mirror-less box), and another showing the usage of the 111mm extension tube to be able to mount the rear lenscap.

Ciao from Massimo
Since evolution has given us TWO ears and ONE mouth, we are supposed (me included) to be doing more listening than talking.

Edgy01

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Re: Nippon Kogaku Nikkor-O 2,1cm/4.0
« Reply #24 on: July 22, 2021, 07:53:07 »
Congrats on mounting the 2.1cm.  I tried a few years ago with a variety of adapters and felt the depth was too great to be successful on my Leica SL. The rotational aspect of mounting it is also conflict prone.  Of the some 50 Nikkors I own it’s the only one I can’t fit on other than my F or F2.  Just not willing to risk a sensor.  Maybe it’s time to break out the dial gauge again!