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Nikos
Joined: 17 May 2010
Posts: 1077
Location: Greece
Expire: 2015-01-02
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 Posted: Wed Jun 09, 2010 6:34 pm Post subject: big_is Contax/EOS adapters: No infinity focusing |
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Nikos wrote:
Infinity focus was advertised (see Click here to see on Ebay)
In the end, the seller admitted it:
| Quote: |
hello,
dear friend, sorry, this issue could not be solve,
because it will hit the mirror if thiner the
adapter .
best regards
- big_is
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However, poilu told me his 1.4/85 version does focus to infinity with an adapter from big_is (but in the photo he sent me his adapter seems different).
Perhaps there is a difference between chipped and non-chipped adapters.
Or could there be such a difference between AE and MM versions?
Anyway, can you suggest an alternative adapter that you have confirmed that it reaches infinity focus with a lens bigger than 50mm, on a 5D Mark II ?
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Νίκος • www.diafragma.gr
Cameras: Canon EOS 5D Mark II, Sony α7R, Sony NEX-5N
MF lenses:
SLR:
Canon TS-E 17mm f/4, Zeiss 2.8/21 ZE, Zeiss 2/28 Contax, Zeiss 2/35 ZE, Zeiss 1.4/50 Contax, Zeiss 1.4/85 Contax, Zeiss Makro 2/100 ZE,
Zeiss 2/135 Contax, Zeiss 2.8/135 Contax, Zeiss Vario-Sonnar 35-70 Contax, Zeiss Vario-Sonnar 100-300 Contax, Zeiss F-Distagon Rollei, Canon FD 24mm f2, Minolta MD Rokkor 35mm f2.8
Rangefinder:
Zeiss 4.5/21 C Biogon ZM, Zeiss 2/35 Biogon ZM, Voigtländer 15mm f/4.5 Heliar L39, Leica Tele-Elmarit 2.8/90mm, Zeiss 2/45 Contax G, Zeiss 2.8/90 Contax G, Canon 50mm 1.8 LTM
AF lenses: Canon 15mm f/2.8 Fisheye, Canon 24-70 f/2.8 L, Canon 70-200 f/2.8 L IS II, Canon 70-200 f/4 L, Canon 300 f/4 L IS, Canon 100 f/2.8 macro
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aoleg
Joined: 22 Feb 2008
Posts: 1387
Location: Berlin, DE
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| Posted: Wed Jun 09, 2010 6:57 pm Post subject: |
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aoleg wrote:
That's weird. Most probably, they used a different batch of adapters this time, because all my adapters (and I have about 5) focus *beyond* infinity. big_is is right in that some lenses (e.g. Yashica ML 28/2. will hit the mirror if focused to "hard" infinity stop with these adapters; however, that's not the point.
Proper adapters - for me - are these:
Click here to see on Ebay
Perfectly cheap, focus slightly beyond infinity (but not too much), work just fine with all of my lenses.
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Nikos
Joined: 17 May 2010
Posts: 1077
Location: Greece
Expire: 2015-01-02
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| Posted: Wed Jun 09, 2010 7:04 pm Post subject: |
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Nikos wrote:
| aoleg wrote: |
Proper adapters - for me - are these:
Click here to see on Ebay
Perfectly cheap, focus slightly beyond infinity (but not too much), work just fine with all of my lenses. |
Seems you have the 1.4/85 , right ? |
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poilu
Joined: 26 Aug 2007
Posts: 10472
Location: Greece
Expire: 2019-08-29
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| Posted: Wed Jun 09, 2010 7:08 pm Post subject: |
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poilu wrote:
have you any friend with a contax film slr
just to check if the lens reach infinite
otherwise adapter cannot help and lens have to be calibrated
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aoleg
Joined: 22 Feb 2008
Posts: 1387
Location: Berlin, DE
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| Posted: Wed Jun 09, 2010 10:54 pm Post subject: |
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aoleg wrote:
| nkanellopoulos wrote: |
| aoleg wrote: |
Proper adapters - for me - are these:
Click here to see on Ebay
Perfectly cheap, focus slightly beyond infinity (but not too much), work just fine with all of my lenses. |
Seems you have the 1.4/85 , right ? |
Yep, I have the 85/1.4 and 5DmkII. By the way, I did have one lens that was genuinely misadjusted: a Vario-Sonnar 28-85 that I had to return. It did not reach infinity - by far - even with the thinnest of my adapters (Fotodiox Pro). So it might be a good idea to check your lens as well.
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wilson.c
Joined: 18 Jan 2010
Posts: 364
Location: Hong Kong
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| Posted: Thu Jun 10, 2010 3:48 am Post subject: |
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wilson.c wrote:
Didn't someone start a database of the thicknesses of the adapters? An easy way to tell if the adapter is at fault is to measure the thickness, then if other members can compare this with the adapters that work, it could point to someone was messing with the infinity adjustments of the lens itself.
Alex has told me that the Quality Control in the Chinese adapters are an issue. Some are ok for APS-C sensors (probably because the QC had a 450D or 500D lying around and not so for the 5D's.
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Wilson
DSLR: Canon 5DMkII, 500D + Panasonic GF-1
SLR: Canon T90, Canon F1, Canon A1, Canon AE1 + Rolleiflex SL66 + Bronica ETRs
R'finder: Contax G1, G2 + Leica M6, M3 + Contax II
Lenses
M42: Angenieaux 90/1.8
Canon: FD 50/3.5 Macro, FD 80/1.8, FD 80-200L/4
Contax G: CZ Hologon 16/8, CZ Biogon 21/2.8, CZ Biogon 28/2.8, CZ Planar 45/2.0, CZ Sonnar 90/2.8
P-Six: CZJ Sonnar 180/2.8, CZJ Biometar 120/2.8
Contax: Distagon 28/2.8, Distagon 28/2, Planar 85/1.4, Makro-Planar 100/2.8
Others: CZ Sonnar 135/3.5 (Hasselblad V mount)
More little ones to be documented.
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