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Author Topic: Rehousing vintage lenses  (Read 2259 times)

Akira

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Rehousing vintage lenses
« on: March 10, 2024, 22:33:51 »
This Chinese company rehouses vintage camera lenses to cinema lenses.  And this is a fascinating report by Media Division.

The cost for rehousing?  Don't ask me.   :)

https://www.youtube.com/watch?v=ybxJHUfzCM4
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"The eye is blind if the mind is absent." - Confucius

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Bent Hjarbo

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Re: Rehousing vintage lenses
« Reply #1 on: March 10, 2024, 23:31:25 »
Interesting, thanks for sharing
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Thomas Stellwag

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Re: Rehousing vintage lenses
« Reply #2 on: March 11, 2024, 00:48:17 »
impressive video, thanks for sharing
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Thomas Stellwag

richardHaw

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Re: Rehousing vintage lenses
« Reply #3 on: March 11, 2024, 01:15:57 »
He applied Grease to the helicoids with his fingers :o :o :o
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pluton

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Re: Rehousing vintage lenses
« Reply #4 on: March 12, 2024, 23:38:10 »
Quote from: richardHaw on March 11, 2024, 01:15:57
He applied Grease to the helicoids with his fingers :o :o :o
Is this bad practice?  Biological contamination?
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Keith B., Santa Monica, CA, USA

Akira

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Re: Rehousing vintage lenses
« Reply #5 on: March 13, 2024, 00:33:13 »
Quote from: richardHaw on March 11, 2024, 01:15:57
He applied Grease to the helicoids with his fingers :o :o :o

A set of the fingers can be used as a sensitive tool.   8)
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"The eye is blind if the mind is absent." - Confucius

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richardHaw

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Re: Rehousing vintage lenses
« Reply #6 on: March 13, 2024, 00:58:46 »
It's unacceptable practice :o :o :o
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pluton

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Re: Rehousing vintage lenses
« Reply #7 on: March 14, 2024, 06:52:30 »
The video has good production values.  It was interesting to see the laser engraving being done.  I once got a cinema-style lens for zone focus use on a still camera, but I couldn't deal with the 3 pound (1.5kG) lens on a little 350g Fuji XE-2 camera.
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Keith B., Santa Monica, CA, USA

ColinM

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Re: Rehousing vintage lenses
« Reply #8 on: March 14, 2024, 15:39:22 »
Just to rephrase the question above...

Quote from: richardHaw on March 13, 2024, 00:58:46
It's unacceptable practice :o :o :o

Richard, is it unacceptable because of:
- risk to the lens, or
- risk to the human?
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richardHaw

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Re: Rehousing vintage lenses
« Reply #9 on: March 14, 2024, 18:18:19 »
It's very unprofessional, he won't be able to apply the grease evenly. He only just dab a few points on the helicoid. I was impressed until I saw what he did, something like a backyard mechanic would do in a third world nation :o :o :o
If he is not careful that same finger will end up in places where Grease should not be in. ::) if he picks his nose, his nostrils will be as smooth as voigtlander 8)
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Erik Lund

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Re: Rehousing vintage lenses
« Reply #10 on: March 15, 2024, 10:08:22 »
IMHO A dedicated stiff, very short haired brush of good quality is suitable to use. You don't want it to loose a hair in the threads so take care.
Thank you for sharing the link! A very high end rehousing compared to the hacks we usually do here on NG  :o 8)
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Erik Lund

richardHaw

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Re: Rehousing vintage lenses
« Reply #11 on: March 15, 2024, 23:54:48 »
1 day, when I have the place and money I will buy myself a CNC machine and a lathe, I will be able to manufacture barrels myself. And yes, I will never use my finger for lubricating helicoids :o :o :o only for picking my nose ::)
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Snoogly

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Re: Rehousing vintage lenses
« Reply #12 on: March 16, 2024, 00:53:07 »
Here is some more lens-tech porn ;-)

https://youtu.be/kIa42sOWG0I?si=EW2wg5CgiyPOOt-_
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Richard Hawking (not Richard Haw!), in Tokyo

richardHaw

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Re: Rehousing vintage lenses
« Reply #13 on: March 16, 2024, 01:58:27 »
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