NikonGear'23
Gear Talk => What the Nerds Do => Topic started by: richardHaw on December 31, 2017, 15:27:16
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http://richardhaw.com/2017/12/31/repair-micro-nikkor-105mm-f-4-ai/
Somebody requested this a couple of months ago :o :o :o
Took me some time to finish this as I was busy with the World of F-mount Nikkor articles ::)
http://richardhaw.com/2017/12/09/world-of-f-mount-nikkors/
http://richardhaw.com/2017/12/13/world-of-f-mount-nikkors-2-3/
http://richardhaw.com/2017/12/24/world-of-f-mount-nikkors-3-3/
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thank you!... great reading!
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Great overview of all those beautiful Nikkor's, Richard ! Thanks for the links.
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Thanks for this fascinating series.
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glad that I am entertaining you guys :o :o :o
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I can’t see anything about the iris, is it inside the objective?
I have one where the iris is stuck at f4 :-\
By removing the front and replacing the objective and all the linkage, it now works :)
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it might be oily :o :o :o
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There are traces of oil on the blades, but I think that the linkage somehow was interuptet.
I may make a more nettet service later, but for now it works, Thanks to your write-up :)
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glad that I am entertaining you guys :o :o :o
Far more than entertainment Richard, education about the inner workings is a valuable skill to be passed on, even if I never have to delve into my Micro Nikkor 105mm f4 ai it gives me useful knowledge which may apply elsewhere. Thank you for taking the time to tell us.
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the blog is a therapy for my mild depression. i had to maintain it to keep me sane :o :o :o there, i said it ::)
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We all need to be busy and active, helps keep us fit, physically and mentally. Good luck with the depression. Stay busy but NOT overloaded.
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Got the 105mm working, I already had the 105mm bellows, now can you see what’s missing ;)
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wow! i am currently looking for a cheap 13.5cm f4 bellows lens ::)
you are just missing a good subject that's all :o :o :o
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now can you see what’s missing ;)
The connecting 52mm - bayonet mount for the bellows lens?
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The K3 ring to connect the bellow lens in front of the other 105mm, according to Bjørn it should not be used reversed in front of the 105.
And of course I neeca good subject ;)
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I probably have a spare K3 floating around in the chaos ensuing after my recent move out of Oslo. Will bring it to Spain -- if I can locate it first :D
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Looking forward to meet again, and hopefully you find something in one of the many boxes :)
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You are also missing the AIS 105/4 micro, to complete your collection of lens designs using the same optical design :)
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And the K ;)
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Doesn't the rear element of the bellows micro 105 hit the front element of Ai(s) micro if the former is mounted onto the latter just with K3? Don't you need, say, a 52mm filter with its glass removed to add some length to K3?
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I am not shure, but I will consult Bjørn in order not make any harm to the front element.
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The front element of the AI 105/4 micro is recessed (see http://www.destoutz.ch/lens_105mm_f4_178997.html) so I expect it should be safe to use with the K3 and bellows 105 Nikkor, but take care just in case!
And yes the K is also missing, but it is essentially the same as the AI version so you could leave it out :)
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As you already know, Bjørn only refers to K3 ring in his classic review. Maybe I'm overly concerned, but you cannot be too careful.
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Doesn't the rear element of the bellows micro 105 hit the front element of Ai(s) micro if the former is mounted onto the latter just with K3? Don't you need, say, a 52mm filter with its glass removed to add some length to K3?
No problem with that combination. There are space enough.
For a shorter shade, I use the shade from Voigländer 90mm/3.5. That makes it a lot easier to lighten the subject.
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Roland and Asle, thank you for the confirmation. I've had an Ais version just briefly and knew that the front element was recessed "a bit" but didn't realized that is actually recessed "enough".
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No problem with that combination. There are space enough.
For a shorter shade, I use the shade from Voigländer 90mm/3.5. That makes it a lot easier to lighten the subject.
I actually tried just by holding the lenses together by hand, an yes the shade is too long. Will see if something appropriate can be found.
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I actually tried just by holding the lenses together by hand, an yes the shade is too long. Will see if something appropriate can be found.
Bent, if you get the whole K-ring set, you could use the K4 or K5 ring as a shorter shade.
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i got a whole K-ring set for little money at Alps-do :o :o :o
https://richardhaw.com/2017/12/01/shopping-alps-do-camera/
The shade was handy. I was shooting bugs and it helped protect my lens from pollen and sap (and bugs)
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The shade of the 90mm/3.5 is essential a 52-39mm step down ring, and a short tube with 39mm threads. That makes it a effectiv shade even if it is short. And the smaller diameter does also help not shading the subject.