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David
Joined: 13 Apr 2011
Posts: 1871
Location: Denver, Colorado
Expire: 2013-01-25
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 Posted: Fri Apr 04, 2014 9:23 pm Post subject: lighter fluid on leaf shutters |
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David wrote:
I picked up an old Ikoflex II for a STEAL on eBay the other day. The seller said all the shutter speeds worked properly. Well, there was a 30-plus-year-old roll of film in the camera on frame 2 and the Ikoflex II has double-exposure prevention, so I know he was lying when he said he tested all the speeds. 1./300th works most of the time, but the others open VERY slowly, time correctly (down to 1/50th) and then shut like they should. So there's some slowness in the mechanism that opens the shutter.
I have to take the elements off anyway to clean some fungus and dirt from the lens (also not disclosed in the listing...) and decided I'd like to try and make the shutter respond with lighter fluid.
I've never tried this before. Where do I put the lighter fluid so that it accesses the mechanisms? How much do I use?
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philslizzy
Joined: 07 Aug 2012
Posts: 4749
Location: Cheshire, England
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| Posted: Sat Apr 05, 2014 10:34 pm Post subject: |
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philslizzy wrote:
Just let a few drops go onto the shutter leaves, then cock it and fire it a few times. Perhaps put another drop on it when its worked its self into the mechanism. cock and fire a few more times. You will notice a difference right away. leave the camera open and the removed elements out for a few hours. try it again later it will be much better. Avoid activating the self timer. This is a separate mechanism and could jam up the shutter if it sticks.
Works for me. This applies to apertures too.
#TTP for me at least. Needs patience.
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visualopsins
Joined: 05 Mar 2009
Posts: 10362
Location: California
Expire: 2021-06-22
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| Posted: Sat Apr 05, 2014 11:22 pm Post subject: |
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visualopsins wrote:
I've only cleaned oil from a few aperture diaphragms using one or two drops on q-tip to apply onto blades, wipe, work diaphragm fully a few times, repeat as much as needed until operation is 'snappy' free.
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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
Macro-Takumar 1:4/50
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, 1:3.5/28, 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, 1:4/300, 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), Tamron SP 17mm f/3.5 (51BB), SP 500mm f/8 (55BB), SP 70-210mm f/3.5 (19AH)
Vivitar 100mm 1:2.8 MC 1:1 Macro Telephoto
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David
Joined: 13 Apr 2011
Posts: 1871
Location: Denver, Colorado
Expire: 2013-01-25
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| Posted: Sun Apr 06, 2014 1:39 am Post subject: |
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David wrote:
There we go. Thank you both, Phil and Eugene. That worked and all except a full second are close enough to correct for me (a full second is still four seconds, but not due to slow leaf movement.) I cycled the shutter a few dozen times and cleaned some surface fungus off the lens elements at the same time. The camera definitely needed the attention.
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philslizzy
Joined: 07 Aug 2012
Posts: 4749
Location: Cheshire, England
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| Posted: Sun Apr 06, 2014 8:47 am Post subject: |
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philslizzy wrote:
so #TTP 
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David
Joined: 13 Apr 2011
Posts: 1871
Location: Denver, Colorado
Expire: 2013-01-25
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| Posted: Sun Apr 06, 2014 9:03 pm Post subject: |
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David wrote:
I don't know what TTP means. 
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philslizzy
Joined: 07 Aug 2012
Posts: 4749
Location: Cheshire, England
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| Posted: Mon Apr 07, 2014 9:40 am Post subject: |
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philslizzy wrote:
Tried Tested and Proven
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