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Mal1905
Joined: 30 Oct 2008
Posts: 1705
Location: Dublin, Ireland
Expire: 2011-11-18
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 Posted: Wed Feb 11, 2009 10:17 pm Post subject: Pentax-M SMC 1.4/50 Now Working On EOS 5D |
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Mal1905 wrote:
I was a little bored this evening, and after having tried unsuccessfully to repair a jammed diaphragm in my CZ Sonnar 2.8/180, I spotted the little Pentax sitting on the shelf...
For those unfamiliar with these Pentax-M lenses, they have a horrible lever which sticks out the back of the lens, meaning you can't even mount them on a 5D (fine on the 10/20/30/40/50D), let alone use them. To add to this horribleness, there's also a tough plastic 'shield' which protects the lever.
Anyway, 10 minutes and the job was done.
The tools? A Stanley knife, a Philips head precision screwdriver and a pliers.
Five small screws and the back of the lens becomes the scene of a terrible butchering - the photos tell the story :
Fig.1 - A : The lever after I snipped it with the pliers, B : The piece I snipped off, C : The plastic 'shield' after I started on it with the Stanley knife...
Fig.2 - The lens-mount having been replaced, the lever and 'shield' no longer protrude...
Fig.3 - The Pentax-K to EOS adapter affixed to the lens...
Fig.4 - The first shot taken with this lens on my EOS 5D 
_________________
Canon EOS 5D / EOS 40D
Carl Zeiss Jena: Flektogon 2.8/20, 2.4/35, 2.8/35, Pancolar 2/50, MC 1.8/50, MC 1.8/80, Triotar 4/135, Tessar 2.8/50, S 4/135 1Q, S 3.5/135, Sonnar 3.5/135 MC, 2.8/180, Biotar 2/5,8cm, 2/58, 1.5/75
Carl Zeiss: Distagon 2/28 T*, 1.4/35 T*, Ultron 1.8/50, Tessar 2.8/50, Planar 1.4/50 T* MM, 1.7/50 T* MM, 1.4/85 T* AEG, Sonnar 2.8/135 T*
Asahi Optical Co.: Super-Multi-Coated Takumar 4.5/20, 3.5/24, 3.5/28, 2/35, 3.5/35, 1.4/50, 1.8/55, 1.8/85, 2.8/105, 2.8/120, 2.5/135 I & II, 3.5/135, 4/150, 4/200, 4/300, 5.6/400, 4/45-125, 4.5/85-210, Super-Takumar 4.5/20, 3.5/24, 3.5/28, 2/35, 3.5/35, 1.4/50, 1.8/55, 2/55, 2.8/105, 3.5/135, 4/150, 4/200, 4.5/70-150, Fish-Eye-Takumar 4/17, Macro-Takumar 4/50, Super-Macro Takumar 4/50, Super-Multi-Coated Macro-Takumar 4/50, 4/100, Bellows-Takumar 4/100, Asahi-Kogaku Takumar 3.5/50, 2.4/58, 3.5/100, Asahi-Kogaku Tele-Takumar 3.5/135, Auto-Takumar 2.3/35, 3.5/35, 1.8/55, 1.8/55 (Zebra), 2/55, 2.2/55, 1.8/85, 2.8/105, 3.5/135, Takumar 4/35, 2.2/55, 2/58, 2.8/105, 3.5/135, 3.5/200, 5.6/200, Tele-Takumar 5.6/200, 6.3/300, SMC Takumar 1.4/50, 1.8/55, 2/55, SMC-M 1.4/50, 1.7/50, 2/50
Tomioka: Tominon 2/5cm, Auto-Chinon 3.5/21, 1.4/55, Auto-Yashinon DS-M 1.2/55 |
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indianadinos
Joined: 06 Jul 2008
Posts: 1310
Location: Toulouse, France
Expire: 2011-12-05
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| Posted: Wed Feb 11, 2009 10:27 pm Post subject: |
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indianadinos wrote:
Hello,
Happy to see that you can finally use this great lens (i have the same ) ...
Nevertheless, i'm a bit sad for the lens itself (i'm a Pentaxian) ...
Enjoy your new 50mm
Cheers
_________________
Please visit my blogs Shooting with a Pentax K10D / FF Visions
Takumar: 24/3.5, 28/3.5, 35/2, 35/3.5, 50/1.4, 55/1.8, 85/1.8, 105/2.8, 120/2.8, 135/3.5, 150/4, 200/4
Pentax-K: M28/2.8, K28/3.5, M50/1.4, A50/1.7, M50/4 Macro, K85/1.8, K105/2.8, K135/2.5, M200/4, M70-150/4
Zeiss: Flektogon 20/2.8, 20/4, 35/2.4, 35/2.8, Tessar 50/2.8, Pancolar 50/1.8, Biotar 58/2, Sonnar 135/3.5, Sonnar 180/2.8
Meyer: Primagon 35/4.5, Domiplan 50/2.8, Oreston 50/1.8, Primoplan 58/1.9, Trioplan 100/2.8, Orestor 100/2.8, Orestor 135/2.8
Schacht/Steinheil: Travenar 90/2.8, Travenon 135/4.5, Quinar 135/2.8, Quinar 135/3.5
Russian: MIR 37B, Industar 50/3.5, Helios 44M & 44M-2, Jupiter 37A
P6: Flektogon 50/4, Biometar 80/2.8, Orestor 300/4
Nikkor: Nikkor-O 35/2, Micro 55/3.5, Nikkor-S 50/1.4, Nikkor-Q 135/2.8
Fuji: EBC 28/3.5, EBC 55/3.5 Macro, EBC 135/2.5
Misc Lenses: Kiron 105/2.8 Macro, Tamron SP90/2.5
... and a few other Vivitar, Tamron, Sigma and Soligor lenses ...
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Mal1905
Joined: 30 Oct 2008
Posts: 1705
Location: Dublin, Ireland
Expire: 2011-11-18
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| Posted: Wed Feb 11, 2009 10:53 pm Post subject: |
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Mal1905 wrote:
| indianadinos wrote: |
Hello,
Happy to see that you can finally use this great lens (i have the same ) ...
Nevertheless, i'm a bit sad for the lens itself (i'm a Pentaxian) ...
Enjoy your new 50mm
Cheers |
Thanks for the kind words - but don't worry, I have a second copy...
Next step is to do the 1.7/50 & 2/50 (I have copies of those too)
_________________
Canon EOS 5D / EOS 40D
Carl Zeiss Jena: Flektogon 2.8/20, 2.4/35, 2.8/35, Pancolar 2/50, MC 1.8/50, MC 1.8/80, Triotar 4/135, Tessar 2.8/50, S 4/135 1Q, S 3.5/135, Sonnar 3.5/135 MC, 2.8/180, Biotar 2/5,8cm, 2/58, 1.5/75
Carl Zeiss: Distagon 2/28 T*, 1.4/35 T*, Ultron 1.8/50, Tessar 2.8/50, Planar 1.4/50 T* MM, 1.7/50 T* MM, 1.4/85 T* AEG, Sonnar 2.8/135 T*
Asahi Optical Co.: Super-Multi-Coated Takumar 4.5/20, 3.5/24, 3.5/28, 2/35, 3.5/35, 1.4/50, 1.8/55, 1.8/85, 2.8/105, 2.8/120, 2.5/135 I & II, 3.5/135, 4/150, 4/200, 4/300, 5.6/400, 4/45-125, 4.5/85-210, Super-Takumar 4.5/20, 3.5/24, 3.5/28, 2/35, 3.5/35, 1.4/50, 1.8/55, 2/55, 2.8/105, 3.5/135, 4/150, 4/200, 4.5/70-150, Fish-Eye-Takumar 4/17, Macro-Takumar 4/50, Super-Macro Takumar 4/50, Super-Multi-Coated Macro-Takumar 4/50, 4/100, Bellows-Takumar 4/100, Asahi-Kogaku Takumar 3.5/50, 2.4/58, 3.5/100, Asahi-Kogaku Tele-Takumar 3.5/135, Auto-Takumar 2.3/35, 3.5/35, 1.8/55, 1.8/55 (Zebra), 2/55, 2.2/55, 1.8/85, 2.8/105, 3.5/135, Takumar 4/35, 2.2/55, 2/58, 2.8/105, 3.5/135, 3.5/200, 5.6/200, Tele-Takumar 5.6/200, 6.3/300, SMC Takumar 1.4/50, 1.8/55, 2/55, SMC-M 1.4/50, 1.7/50, 2/50
Tomioka: Tominon 2/5cm, Auto-Chinon 3.5/21, 1.4/55, Auto-Yashinon DS-M 1.2/55 |
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gill
Joined: 08 Apr 2009
Posts: 44
Location: Lahore
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| Posted: Wed Feb 05, 2014 7:40 am Post subject: Tamron 17-35 f2.8/4 AF pentax mount working on eos 5d(C) |
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gill wrote:
| Mal1905 wrote: |
[quote=
Next step is to do the 1.7/50 & 2/50 (I have copies of those too) |
I recently picked Tamron 17-35 f 2.8/4 AF in Pentax mount with the intention of using on eos 5d(c) with adapter. It is my first fast wide-angle zoom and sigma 12-24 AF is beyond my budget and having negative reports on the net. I will appreciate if any member of this group using this lens after removing aperture lug/collar infinity focus, mirror is not striking.. Its back elements on close focusing are little bit out as compared to my other zoom like 28-70 AF FA which is focusing perfectly |
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gill
Joined: 08 Apr 2009
Posts: 44
Location: Lahore
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| Posted: Sun Feb 09, 2014 6:40 am Post subject: Re: Tamron 17-35 f2.8/4 AF pentax mount working on eos 5d(C) |
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gill wrote:
[quote="gill"][quote="Mal1905"][quote=
Next step is to do the 1.7/50 & 2/50 (I have copies of those too) [/quot
After controlling my brain strom for a week and receiving no response from the members I performed the operation as per Mal 1905 and removed the lever and plastic shield of Tamron 17-35 f 2.8/4 AF and with k adapter working fine as per attached picture. |
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