NikonGear'23

Gear Talk => What the Nerds Do => Topic started by: richardHaw on June 12, 2016, 15:54:12

Title: Modifying the 5.5cm f/3.5 Micro-Nikkor to achieve infinity focus!
Post by: richardHaw on June 12, 2016, 15:54:12
https://richardhaw.com/2016/06/12/repair-micro-nikkor-5-5cm-f3-5-22/
Finally, part 2 of the Micro-Nikkor 5.5cm f/3.5 series! This time, I will show you how to make this focus to infinity on modern Nikon cameras like the D750 and the D7200!
Title: Re: Modifying the 5.5cm f/3.5 Micro-Nikkor to achieve infinity focus!
Post by: the solitaire on June 12, 2016, 18:02:19
The extension to use the lens on modern cameras allowing to focus to infinity is very interesting.
Title: Re: Modifying the 5.5cm f/3.5 Micro-Nikkor to achieve infinity focus!
Post by: richardHaw on June 13, 2016, 04:20:48
Quote from: the solitaire on June 12, 2016, 18:02:19
The extension to use the lens on modern cameras allowing to focus to infinity is very interesting.
Hi!, I got the idea from people modifying their lenses for mirrorless use here :o :o :o
Title: Re: Modifying the 5.5cm f/3.5 Micro-Nikkor to achieve infinity focus!
Post by: Bjørn Rørslett on June 13, 2016, 05:57:34
An alternative is of course using a Dremel to cut down the excess material of the aperture collar ....

However, the image quality of this Micro-Nikkor isn't that remarkable to make the efforts worth while. I let my copy survive - as of now.
Title: Re: Modifying the 5.5cm f/3.5 Micro-Nikkor to achieve infinity focus!
Post by: richardHaw on June 13, 2016, 07:22:13
Quote from: Bjørn Rørslett on June 13, 2016, 05:57:34
An alternative is of course using a Dremel to cut down the excess material of the aperture collar ....

i am actually planning to print an alternative focusing ring for this Nikkor :o :o :o

the problem is the available filaments
Title: Re: Modifying the 5.5cm f/3.5 Micro-Nikkor to achieve infinity focus!
Post by: Bjørn Rørslett on June 16, 2016, 00:30:50
If you find a practical solution, my 5.5 cm might still escape the fate of meeting its Dremel ...
Title: Re: Modifying the 5.5cm f/3.5 Micro-Nikkor to achieve infinity focus!
Post by: richardHaw on June 16, 2016, 01:38:11
Quote from: Bjørn Rørslett on June 16, 2016, 00:30:50
If you find a practical solution, my 5.5 cm might still escape the fate of meeting its Dremel ...
i am going to 3D print one. if that proves too expensive I will just make one from resin :o :o :o
Title: Re: Modifying the 5.5cm f/3.5 Micro-Nikkor to achieve infinity focus!
Post by: Akira on June 16, 2016, 03:05:45
Interesting article as always, Rick!

Do you really need the special spacer?  I would think three washers of the appropriate thickness and moltoprene filling for the light seal would be good enough.
Title: Re: Modifying the 5.5cm f/3.5 Micro-Nikkor to achieve infinity focus!
Post by: richardHaw on June 16, 2016, 03:31:15
Quote from: Akira on June 16, 2016, 03:05:45
Interesting article as always, Rick!

Do you really need the special spacer?  I would think three washers of the appropriate thickness and moltoprene filling for the light seal would be good enough.

Hello, Akira.

Yes. the spacer is the most rigid solution as of now :o :o :o
a more permanent solution would be the 1 that i am planning.
my problem now is aligning the 3D text to the ones on the original focusing ring.
my fallback is to just cast it in resin....