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Fotodiox Adaptateur de monture d'objectif avec Puce de Confirmation de Mise au Point pour Objectif Contax / Yashica -C/Y/ CY à Caméra Canon EOS comme EOS 7D/ 5D/ 60D et Rebel T3

3.0 étoiles sur 5 1 commentaire client

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  • Description du produit: Fotodiox 10LA-LR-SNp
  • Type de produit: Adaptateur de monture d'objectif
  • Appareil compatible: pour Contax/Yashica C à Canon
  • Garantie du fabricant: 1 an

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Informations sur le produit

Descriptif technique
MarqueFotodiox
Type d'installation Contax/Yashica C à Canon
Modèle10LA-CY-EOS-C
Appareils compatiblesCanon EOS 1d, 1ds, Mark II, III, IV, 5D, MarK II, 7D, 10D, 20D, 30D, 40D, 50D, 60D, Digital Rebel xt, xti, xs, xsi, t1i, t2i, 300D, 350D, 400D, 450D, 500D, 550D, 1000D
Garantie constructeur1 an
  
Informations complémentaires
Dimensions du produit (L x l x h)2,5 x 2,5 x 2,5 cm
Moyenne des commentaires client 3.0 étoiles sur 5 1 commentaire client
Numéro du modèle de l'article10LA-CY-EOS-C
ASINB003Y4FWDE
Classement des meilleures ventes d'Amazon
Date de mise en ligne sur Amazon.fr22 octobre 2010
  
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Description du produit

La puce ajouté ("puce pissenlit") permet le centrage confirmation sur les boîtres EOS d'appareil numérique, qui aide le photographe met au point par endroits les plus sombres.


Questions et réponses des clients

Commentaires en ligne

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Achat vérifié
N'est pas compatible avec mes vieux objectifs Sigma et Quantaray en monture Yashica.Sans doute n'est-il compatible qu'avec des objectifs Contax/Yashica.
De mma faute,pas de la leur,donc pas de remord ni de regret.
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Commentaires client les plus utiles sur Amazon.com (beta) (Peut contenir des commentaires issus du programme Early Reviewer Rewards)

Amazon.com: 3.2 étoiles sur 5 29 commentaires
4.0 étoiles sur 5 Good quality, but do you need the chip? It depends. 14 juin 2017
Par J. Crockett - Publié sur Amazon.com
Achat vérifié
I purchased this adapter to use with a Zeiss T* 50mm lens on a Canon 60D. The fit is snug without any wiggle and I found it easy to get the adapter on and off both the camera and the lens. It works and I am happy to be using this lens again after many years.

I have two complaints that dropped my rating to 4 stars. First, the instructions were at first almost incomprehensible. After several tries at understanding them, I did finally figure out what they were talking about, but at first they made no sense to me. I successfully programmed the chip for maximum aperture and focal length of the lens, but I did not have the patience to go through the trial-and-error process required to fine tune the focus sensor. Which is too bad, because my second complaint is that the focus chip is not accurate (not even close) in its default setting with this lens, so the focus alert is useless until I go through that somewhat daunting process.

So, I have 2 out of 3 of the programmable functions (maximum aperture and focal length), which basically allows the lens to be used in full manual mode with the light meter. The programming tells the camera what the maximum aperture value of the lens is, so it knows that, even when the camera aperture value is changed to match the shutter setting. This is what makes it possible for the internal light meter to give accurate readings as the shutter and aperture settings on the camera are changed in manual mode. Remember - the aperture settings on the camera and the lens are completely decoupled. The one does not know what the other is doing. The chip at least lets the camera know what the maximum (wide open) setting is on the lens (f1.7 in the case of my lens), and that allows the meter to take accurate readings.

If you do not program the chip, or if you buy an adapter without the chip, the camera must always remain set at its maximum aperture setting and must be used in Av mode for any automation of exposure. Of course, if you have an external light meter or are skilled at figuring correct shutter/aperture settings without a meter, then you can use manual mode just like you would on any manual exposure camera.

Because the lens will still work with the camera in aperture-priority mode and in manual mode without the light meter without any programming, the value of the chip - especially when the focus sensor isn't set right - is questionable. It depends on how important it is to you to be able to use the camera's meter in manual mode and to have the focus alert (and the patience to adjust it). I bought a second adapter without the chip, but for me having a fully functioning meter in manual mode is useful, so in future I think I will continue to buy the adapter with the chip.

For those who are completely unfamiliar with this sort of adapter, it should be obvious, but might not be, that an old lens with a manual aperture ring is never going to be as simple to use as an electronically operated lens. The camera is unable to read the aperture setting on the lens and the lens cannot be controlled by the aperture setting on the camera. So there is always going to be an extra step of manually setting the aperture on the lens. Focusing and metering are done with the lens wide open, and then it must be manually stopped down before taking the shot. In Av mode the lens can be stopped down and the camera will set the correct shutter speed as long as the camera is set to its maximum aperture setting. In manual mode, assuming the chip has been programmed, the meter will give the correct aperture to use, but then the lens must be manually stopped down to match that reading. This was all much easier on my film cameras, because the aperture, shutter and meter readings were all visible in the viewfinder. And the lens stayed wide open for focusing until the shutter was released. With this adapter (or any adapter), the lens aperture closes if you close down the aperture ring, so focusing and metering have to be done with the lens wide open, and then the lens must be closed down, which means taking your eye away from the viewfinder to see the setting on the lens.

So this is never going to be as quick and easy as an electronically controlled lens, nor as quick and easy as it was on a film camera with mechanical aperture control, but if you are willing to slow down, and shoot only in manual or Av modes, it works, and gives new life to some fine old lenses.
1 internautes sur 1 ont trouvé ce commentaire utile 
5.0 étoiles sur 5 AWESOME! 11 janvier 2014
Par C. I. Manorina - Publié sur Amazon.com
Achat vérifié
EzFoto f'd up my order and I decided not to take another chance with that brand and went with Fotodiox's version.

I own two Fotodiox adapters already so I like the quality. I went with the EzFoto adapter the first time because it was cheaper and it was in a black finish (c'mon, the silver ring stands out!). EzFoto screwed me over when they sent me an m42-EOS adapter.

Now onto this one.
I love it. The instructions were clear and easy to follow. I was having a tough time getting it to mount onto my Canon 5D Mark 2, but I suppose I was doing something wrong as it was able to screw on properly shortly after.

I am using a Contax Zeiss Planar T* 1,7/50 that I am borrowing from my Contax RTS II and wanted to play around with it.

I have read no review on this yet so here it goes:
The default focus parameter is set to 27, which I found off. I toyed around with several values and found 23, 24, and 25 to be good points (though I wish you could use half values). Those values worked, but later on it would be off. I then realized that I did the setup for the AF chip in the wrong order. I went from setting the max aperture, to fine tuning the focus, and finally setting the focal length of the lens. Doing so made me have to re-do the focus tuning several times, leading me to believe that this adapter is requires more work than with just the regular non-AF confirm adapter. After doing each setup set in the order listed on the instructions again I found that the default focus parameter of 27 is just right.

Key notes:
-Follow guide in the exact order.
4 internautes sur 4 ont trouvé ce commentaire utile 
5.0 étoiles sur 5 It works - well, as an adapter. Autofocus, not so much. 9 novembre 2011
Par Mrs. Sandra Schriefer - Publié sur Amazon.com
Achat vérifié
I recently got back into shooting film. This adapter allows me to use all of my C/Y mount lenses on a digital body. I own the Canon T1i (500D) and the 60D; adapter works as described on both of them. Both bodies use 'stop-down metering' when this lens is attached. This means you will shoot in either Av or M. Manual mode is easier.

Stop down metering is what these two (and most other) Canon bodies will do with a manual aperture lens. When you adjust the aperture, it actually opens and closes while adjusting, not just at the moment of exposure, like a Canon lens. So the meter actually reports exposure for the aperture that is set. That works just fine.

I ran into two issues and both of them relate to the camera(s), not the lens or adapter. Issue #1: Since Canon bodies use stop-down metering (a good thing), you will have to have the aperture at f/5.6 or wider to use AF. This is easy to overcome. Focus wide open, stop down, adjust ISO and Tv as necessary, shoot. Issue #2: Since the adapter ALWAYS reports that aperture is set at f/1.4, automatic flash exposure is NOT possible, unless you are actually shooting at f/1.4. Once again an easy problem to surmount. Shoot manual flash! Either do it the old fashioned way, Aperture = Guide Number/Distance, or the modern way. Guess (at flash power and ISO), shoot, adjust. Its digital, waste a few shots, they're free!

This device does what it is designed to do; allow me to use manual lenses, some really good ones, on my Canon digital bodies. You'll never win any speed photography competitions with this setup. But, you will have some fun. If I could afford it, I'd buy one for each of my C/Y lenses.

EDIT: Same day.
This adapter appears NOT to work with my Canon Elan 7NE film body. It does mount and appear as though it would work if the shutter were actuated. It does NOT report any consistent aperture, nor meter correctly on this body. If I had to guess, I would surmise that the ELAN 7NE is not capable of 'stop-down' metering. In any event, this adapter/camera (Elan 7NE) combination appears NOT to work properly. Not really an issue, I can use my C/Y lenses on my Yashica bodies, that they were designed for. This adapter works fine with my Canon digital bodies.

Edit: Later that same day...
I checked around the web... The Elan 7NE will work with manual lenses and this adapter, IF YOU SEND IT TO CANON FOR A FIRMWARE UPGRADE.
Not worth it to me.

EDIT: 11/11/11
After some experimentation I have determined that while the AF chip does cause the camera to beep on focus, it is not accurate. I can do better manually, even with the T1i (500D) that doesn't have a split prism. If I had it to do over, I would buy the version WITHOUT the AF chip. It is half the price of this one. I still recommend the adapter; it allows C/Y lenses on Canon cameras. The AF is just not accurate with my cameras.
4.0 étoiles sur 5 Best adapter for Contax Zeiss to Canon 26 juillet 2016
Par Yechwando - Publié sur Amazon.com
Achat vérifié
Adapter works perfectly, but didn't immediately. Initially, the adapter was extremely tight and gritty going on my 5D body, too tight in fact. I tried it on an old Canon film mount several times until it loosened up. Now it fits perfectly fine on my 5D. Focus confirm works on all Canon bodies, including my t5i, eh8ch no other adapter has done. Infinity focus is confirmed, again which my older adapter could not do. Now all my Contax Zeiss glass works flawlessly. One star docked for not working perfectly right out of the box and for its higher price.
1.0 étoiles sur 5 My Canon 1DS did not like this adapter. 19 mars 2015
Par Gerald Johnson - Publié sur Amazon.com
Achat vérifié
This adapter did not work properly on my Canon 1DS camera. Focus confirmation did not work. Even worse, the camera would not turn off unless I removed the lens! The camera would fire and take a picture (some adapters I've tried won't even do that) but the mentioned problems were my reason for return. Do the manufacturers ever test these things? My 1DS is old (in today's terms) but it's mint with less than 5,000 shots and works perfectly in all other respects but it just doesn't seem capable of handling C/Y mount lenses. The same camera loves Nikon AI and AI-S lenses and, of course, all the Canon EF lenses.
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