visualopsins
Joined: 05 Mar 2009
Posts: 11027
Location: California
Expire: 2025-04-11
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 Posted: Wed Apr 24, 2024 4:31 pm Post subject: Re: CANON FL 19mm 3.5 |
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visualopsins wrote:
| benjamin vallet wrote: |
Help !
I'm stuck repairing my Canon FL 19mm 3.5.
I can't remove the second front lens.
So I'm looking for a helping hand or a repair manual for this lens.
Can someone help me ?
Thank you in advance and have a good evening!
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Welcome benjamin vallet (no images first post is spam prevention-- should be OK now)
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Cameras: Sony ILCE-7RM2, Spotmatics II, F, and ESII, Nikon P4
Lenses:
M42 Asahi Optical Co., 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
M42 Carl Zeiss Jena Flektogon 2.4/35
Contax Carl Zeiss Vario-Sonnar T* 28-70mm F3.5-4.5
Pentax K-mount SMC PENTAX-A 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 (151B), SP 500mm f/8 (55BB), SP 70-210mm f/3.5 (19AH)
Vivitar 100mm 1:2.8 MC 1:1 Macro Telephoto (Kiron)
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BrianSVP
Joined: 09 Jun 2023
Posts: 351
Location: Philadelphia
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| Posted: Wed Apr 24, 2024 5:02 pm Post subject: |
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BrianSVP wrote:
This is not a lens I've worked on in the past, but here is what I suggest based on what I can see:
In picture number one, there is a small hole in the center just above the black front ring. Is there a set screw in this? If so, and you remove it, you may be able to rotate the black front portion until it unscrews, in which case, the second element may insert from the back.
Typically, when you see a seam between two colored sections, one can be removed from the other, so even if there is no set screw, it may still simply rotate out. If it is too tight to turn, heating the lens might help. |
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BrianSVP
Joined: 09 Jun 2023
Posts: 351
Location: Philadelphia
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| Posted: Thu Apr 25, 2024 12:13 pm Post subject: |
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BrianSVP wrote:
This looks like it should be helpful. It does seem to indicate that the entire black portion comprising the front cell of the lens (part A in the second illustration) screws out. It doesn't explode the cell into individual elements/retaining rings,though. Is there another illustration that does so? If so, it can let the OP know whether the element in question is set in from the front and the back, as well as the retaining ring configuration holding it in.
| fdlenses wrote: |
FL 19mm 1:3.5 (Non-R!):
But yours looks to be a FL 19mm 1:3.5 R:
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