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shad309
Joined: 08 Mar 2008
Posts: 453
Location: Illinois, USA
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 Posted: Sat Mar 15, 2008 9:54 pm Post subject: Help with stop down pin |
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shad309 wrote:
I have a 200mm that has the auto stop down pin and my adapter has no flange to push it in. Other than buying another M42 adapter or using it wide open, can I adjust it so it is permanently pushed in? |
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Attila
Joined: 24 Feb 2007
Posts: 57849
Location: Hungary
Expire: 2025-11-18
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| Posted: Sat Mar 15, 2008 10:37 pm Post subject: |
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Attila wrote:
yes
carefully glued is fine
_________________
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Items on sale on Ebay
Sony NEX-7 Carl Zeiss Planar 85mm f1.4, Minolta MD 35mm f1.8, Konica 135mm f2.5, Minolta MD 50mm f1.2, Minolta MD 250mm f5.6, Carl Zeiss Sonnar 180mm f2.8
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shad309
Joined: 08 Mar 2008
Posts: 453
Location: Illinois, USA
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| Posted: Sun Mar 16, 2008 12:11 am Post subject: |
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shad309 wrote:
should I use something like JB Weld or would you suggest something else? Thanks again! |
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Attila
Joined: 24 Feb 2007
Posts: 57849
Location: Hungary
Expire: 2025-11-18
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| Posted: Sun Mar 16, 2008 12:26 am Post subject: |
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Attila wrote:
Any kind of glue is ok what is capable to fix metal and dry fast.Just need to carefully do it, if going inside into the lens it will not works any more.
_________________
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Items on sale on Ebay
Sony NEX-7 Carl Zeiss Planar 85mm f1.4, Minolta MD 35mm f1.8, Konica 135mm f2.5, Minolta MD 50mm f1.2, Minolta MD 250mm f5.6, Carl Zeiss Sonnar 180mm f2.8
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shad309
Joined: 08 Mar 2008
Posts: 453
Location: Illinois, USA
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| Posted: Sun Mar 16, 2008 12:42 am Post subject: |
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shad309 wrote:
No problem, I thought it could be done that way but wanted to check with others first. Thanks! |
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Attila
Joined: 24 Feb 2007
Posts: 57849
Location: Hungary
Expire: 2025-11-18
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| Posted: Sun Mar 16, 2008 12:45 am Post subject: |
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Attila wrote:
Somebody suggested long time ago another solution, I remember it was good , but I don't remember in details.
_________________
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Items on sale on Ebay
Sony NEX-7 Carl Zeiss Planar 85mm f1.4, Minolta MD 35mm f1.8, Konica 135mm f2.5, Minolta MD 50mm f1.2, Minolta MD 250mm f5.6, Carl Zeiss Sonnar 180mm f2.8
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Attila
Joined: 24 Feb 2007
Posts: 57849
Location: Hungary
Expire: 2025-11-18
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| Posted: Sun Mar 16, 2008 12:49 am Post subject: |
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Attila wrote:
Finally I found it...
http://forum.mflenses.com/viewtopic.php?t=4485&highlight=&sid=8742db08375b4e3ff20e4f68db0d482c
Take a look on Rick suggestion.
_________________
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Items on sale on Ebay
Sony NEX-7 Carl Zeiss Planar 85mm f1.4, Minolta MD 35mm f1.8, Konica 135mm f2.5, Minolta MD 50mm f1.2, Minolta MD 250mm f5.6, Carl Zeiss Sonnar 180mm f2.8
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shad309
Joined: 08 Mar 2008
Posts: 453
Location: Illinois, USA
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| Posted: Sun Mar 16, 2008 2:50 am Post subject: |
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shad309 wrote:
Atilla, that must have been driving you crazy for you to search for that link! I am glad you found it though  I will be using the Qtip version so that this can be reversed if need be.
I am glad nobody charges a fee to be here, but I would pay if you did!!! |
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kansalliskala
Joined: 19 Jul 2007
Posts: 5028
Location: Southern Finland countryside
Expire: 2016-12-30
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| Posted: Mon Mar 17, 2008 2:29 pm Post subject: |
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kansalliskala wrote:
Try first this thing: first put the aperture to widest possible say 3.5 and push the pin. Then set the aperture like 16 and try again. If there is really much difference in the force needed like that the 3.5 needs much more force, then the super glue could solution could damage the spring mechanism and eventually destroy it?
_________________
MF: Kodak DCS SLR/c; Samsung NX10; OM-10; Canon T50
Zuiko 28/3.5, Distagon 35/2.8; Yashica ML 50/2;
Zuiko 50/1.4; S-M-C 120/2.8; Zuiko 135/3.5; 200/5;
Tamron AD1 135/2.8, Soligor 180/3.5; Tamron AD1 300/5.6
Tamron zooms: 01A, Z-210
Yashicaflex C; Київ 4 + Юпитер 8, 11; Polaroid 100; Olympus XA; Yashica T3
Museum stuff: Certo-Phot; Tele-Edixon 135; Polaris 90-190; Asahi Bellows; Ixus IIs
Projects: Agfa Isolette III (no shutter), Canon AE-1D (no sensor),
Nikon D80 (dead), The "Peace Camera"
AF: Canon, Tokina, Sigma Video: JVC GZ-MG275E |
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j.lukow
Joined: 03 Oct 2007
Posts: 856
Location: Lindsay Ontario, Canada
Expire: 2021-11-25
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| Posted: Sat May 31, 2008 3:36 am Post subject: |
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j.lukow wrote:
I know this is late but I thought I'd mention it . . .
The Roxsen M42 to MD adapter I use for my Minolta keeps the stop down pin always depressed.
Personally I'm not keen on this, but could be a universal solution if you found the right one.
_________________
EMPLOYMENT: That which funded photography and my new woodworking business.j.lukow
Jim's Kit:
Minolta Kit: Minolta X570 & Autowinder G, Minolta SRT200
LENSES:Minolta - 45mm & 50mm F1:2, PF 58mm F1:1.4, Tamron 28mm f1:2.5, Tamron SP 35-80mm f1:2.8/3.8 & CF TeleMacro zoom 80-210 f1:3.8, Vivitar f3.0~4.5 35-200mm macro focusing zoom, f 2.8 28mm CF Wide angle, 2x macro focus teleconverter,Sigma F4 25-250, f 2.8~4 35-70mm zoom master,Tokina SD f4-5.6 70-210 zoom, f4.5 80-200 "Ultra" Zoom,AutoImage 135mm F1:2.8, Spiratone 400mm f1:6.3, Magicon f3.5-4.8 35-70mm macro zoom,Quantary f8-500 Mirror/macro lens, Accura MD mount Macro bellows
M42 Kit:Praktica PLC2,Yashica TL Electro X
LENSES:Meyer Goerlitz Oreston 50mm f1:1.8 , Auto Yashinon DX 1:1.7 50mm,Steinheil Munchen Culminar 135mm f4.5, Adaptall-2 M42 adapter
Zeiss . . . Zeiss Contaflex 126 system, Zeiss Contaflex Super
Medium Format: Pentacon sixTL
Hasselblad 500c/m - CZ 2.8-80mm planar, CZ 4-150mm sonnarCF |
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kansalliskala
Joined: 19 Jul 2007
Posts: 5028
Location: Southern Finland countryside
Expire: 2016-12-30
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| Posted: Fri Jun 13, 2008 10:26 am Post subject: |
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kansalliskala wrote:
Again. Remember to examine what type the pin-aperture link is. I made a drawing -- >
I think fixing a "Fujinon" type can damage the mechanism.
_________________
MF: Kodak DCS SLR/c; Samsung NX10; OM-10; Canon T50
Zuiko 28/3.5, Distagon 35/2.8; Yashica ML 50/2;
Zuiko 50/1.4; S-M-C 120/2.8; Zuiko 135/3.5; 200/5;
Tamron AD1 135/2.8, Soligor 180/3.5; Tamron AD1 300/5.6
Tamron zooms: 01A, Z-210
Yashicaflex C; Київ 4 + Юпитер 8, 11; Polaroid 100; Olympus XA; Yashica T3
Museum stuff: Certo-Phot; Tele-Edixon 135; Polaris 90-190; Asahi Bellows; Ixus IIs
Projects: Agfa Isolette III (no shutter), Canon AE-1D (no sensor),
Nikon D80 (dead), The "Peace Camera"
AF: Canon, Tokina, Sigma Video: JVC GZ-MG275E |
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Poolhall
Joined: 25 Feb 2008
Posts: 1296
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| Posted: Sun Jun 15, 2008 5:09 pm Post subject: |
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Poolhall wrote:
You don't necessarily need the q-tip solution, I used the insulation from electrical wire to do the same job on my Pentacon 29mm, its reversible and seems to hold the pin in place easily. |
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