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JeremyB
Joined: 14 May 2021
Posts: 7
Location: Montreal
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 Posted: Tue Jul 06, 2021 4:09 pm Post subject: Need help to fix an old and rare lens |
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JeremyB wrote:
Hello everyone,
I recently bought an Edixa Mat Reflex D with an Edixa Xenar 50mm f/2.8 lens (Schneider - Kreuznash).
The rear element was dirty with fungus and I dismantled it and cleaned it. It is now ok, but 2 little balls felt and I didn't see where they came from. Now, I noticed that the focus is stuck, it was ok when I received it.
I'm looking for a tutorial on how to dismantle this lens or an old paper showing the different internal parts, but I'm pretty sure it is very difficult to find.
I really like the rendering and the quality of this lens, it would be sad not to fix it.
Thanks alot for any help.
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visualopsins
Joined: 05 Mar 2009
Posts: 9852
Location: California
Expire: 2021-06-22
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| Posted: Fri Jan 21, 2022 3:03 am Post subject: |
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visualopsins wrote:
Anybody?
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Cameras: Sony A7Rii, Spotmatics II, F, and ESII, Nikon P4
M42 Asahi Optical Co., Lenses:
Takumar 1:4 f=35mm, 1:2 f=58mm (Sonnar), 1:2.4 f=58mm (Heliar), 1:2.2 f=55mm (Gaussian), 1:2.8 f=105mm (Model I), 1:2.8/105 (Model II), 1:5.6/200
Tele-Takumar 1:5.6/200, 1:6.3/300
Auto-Takumar 1:2.3 f=35, 1:1.8 f=55mm, 1:2.2 f=55mm
Super-TAKUMAR 1:3.5/28 (fat), 1:2/35 (Fat), 1:1.4/50 (8-element),
Super-Multi-Coated Fisheye-TAKUMAR 1:4/17
Super-Multi-Coated TAKUMAR 1:4.5/20, 1:3.5/24, 1:2/35, 1:3.5/35, 1:1.8/85, 1:1.9/85 1:2.8/105, 1:3.5/135, 1:2.5/135 (II), 1:4/150, 1:4/200, 1:4.5/500
Super-Multi-Coated Macro-TAKUMAR 1:4/50, 1:4/100
Super-Multi-Coated Bellows-TAKUMAR 1:4/100
SMC TAKUMAR 1:1.4/50, 1:1.8/55
Other lenses:
Carl Zeiss Jena Flektogon 2.4/35
SMC PENTAX ZOOM 1:3.5 35~105mm, SMC PENTAX ZOOM 1:4 45~125mm
Nikon Micro-NIKKOR-P-C Auto 1:3.5 f=55mm, NIKKOR-P Auto 105mm f/2.5 Pre-AI (Sonnar), Micro-NIKKOR 105mm 1:4 AI, NIKKOR AI-S 35-135mm f/3,5-4,5
Tamron SP 17mm f/3.5 (51B), SP 500mm f/8 (55BB), SP 70-210mm f/3.5 (19AH) |
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kds315*
Joined: 12 Mar 2008
Posts: 16418
Location: Weinheim, Germany
Expire: 2021-03-09
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| Posted: Fri Jan 21, 2022 8:27 am Post subject: |
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kds315* wrote:
Should be a nice lens optically, but unfortunately I have no docs how to open it or how it looks inside.
That guys here did it, but a different lens, but in principle it would be similar: https://www.youtube.com/watch?v=OAOBv0DwRUg
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"S'il vient a point, me souviendra" [Thomas Bohier (1460-1523)]
http://www.macrolenses.de for macro and special lens info
http://www.pbase.com/kds315/uv_photos for UV Images and lens/filter info
https://www.flickr.com/photos/kds315/albums my albums using various lenses
http://photographyoftheinvisibleworld.blogspot.com/ my UV BLOG
http://www.travelmeetsfood.com/blog Food + Travel BLOG
https://galeriafotografia.com Architecture + Drone photography
Currently most FAV lens(es):
X80QF f3.2/80mm
Hypergon f11/26mm
ELCAN UV f5.6/52mm
Zeiss UV-Planar f4/60mm
Zeiss UV-Planar f2/62mm
Lomo Уфар-12 f2.5/41mm
Lomo Зуфар-2 f4.0/350mm
Lomo ZIKAR-1A f1.2/100mm
Nikon UV Nikkor f4.5/105mm
Zeiss UV-Sonnar f4.3/105mm
CERCO UV-VIS-NIR f1.8/45mm
CERCO UV-VIS-NIR f4.1/94mm
CERCO UV-VIS-NIR f2.8/100mm
Steinheil Quarzobjektiv f1.8/50mm
Pentax Quartz Takumar f3.5/85mm
Carl Zeiss Jena UV-Objektiv f4/60mm
NYE OPTICAL Lyman-Alpha II f1.1/90mm
NYE OPTICAL Lyman-Alpha I f2.8/200mm
COASTAL OPTICS f4/60mm UV-VIS-IR Apo
COASTAL OPTICS f4.5/105mm UV-Micro-Apo
Pentax Ultra-Achromatic Takumar f4.5/85mm
Pentax Ultra-Achromatic Takumar f5.6/300mm
Rodenstock UV-Rodagon f5.6/60mm + 105mm + 150mm
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JeremyB
Joined: 14 May 2021
Posts: 7
Location: Montreal
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| Posted: Fri Jan 21, 2022 4:37 pm Post subject: |
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JeremyB wrote:
| kds315* wrote: |
Should be a nice lens optically, but unfortunately I have no docs how to open it or how it looks inside.
That guys here did it, but a different lens, but in principle it would be similar: https://www.youtube.com/watch?v=OAOBv0DwRUg |
Hello there,
Thanks for the follow up. I tried and unfortunately, the aperture mechanism was damaged by humidity probably due to bad storing conditions for many many years.
I sold it "for parts". |
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MagdaleneSanchez
Joined: 22 Jan 2022
Posts: 1
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| Posted: Sat Jan 22, 2022 11:18 am Post subject: |
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MagdaleneSanchez wrote:
Thanks for the YouTube link. I also want to fix my old lens and it is rare. Because of this, I don't want to take any risk while repairing it. That is the reason before started repairing my lens and I want to do a lot of research. I am a college student and I can't concentrate on it very well because of my professor who gave me a lot of assignments. I hate to write essay assignments but my professor doesn't know that I have found the https://www.topessaywriting.org/samples/daca link through which I always take help when it comes to writing essay assignments. Now, I am all free and after watching that YouTube link, I will start repairing my lens. I hope I won't destroy it while repairing it. |
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bigbear
Joined: 06 Jun 2022
Posts: 1
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| Posted: Mon Jun 06, 2022 2:46 am Post subject: |
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bigbear wrote:
Friday Night Funkin is a PC game that will challenge the price of your rhythm. The game will ask you to press a button at a specific time: the screen will tell you which button to press and the game will show you both the rhythm accuracy and the time. |
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