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Canon EOS and manual focus lenses
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PostPosted: Sun Nov 04, 2007 9:44 am    Post subject: Canon EOS and manual focus lenses Reply with quote

Please post your comments here for new members as a reference. Mount adapter, compatability, AF confirm chip availability etc


PostPosted: Sun Nov 04, 2007 10:16 am    Post subject: Reply with quote

I have this system and it seems to be the most common one that people use. With its market dominance Canon certainly had the most accessories and mount adaptors made for it. Lens registration distance (sensor to lens mount) is 44mm http://www.a1.nl/phomepag/markerink/mounts.htm M42 is 45.46mm allowing a healthy thickness for adaptors. These are cheap and available for little money on Ebay. Focus confirmation chips are also available. The 400D offers sensor cleaning a large LCD screen and brighter viewfinder than the 350D. sensor cleaning is certainly an issue if you are changing lenses frequently as you tend to with several primes in your bag. I also understand that metering has improved over the 350D. Older canon FD lenses are not able to be mounted without an optical converter that degrades image quality


PostPosted: Sun Nov 04, 2007 1:13 pm    Post subject: Reply with quote

Not all C/Y and Rollei adapters have a problem with infinity, and not all lenses from these makers (essentially, always Zeiss) can cause such a problem. At least the 50% of my Contax lenses work perfectly with any commercial adapters. For the other 50%, you can reduce the thickness of the adapter. Both C/Y and Rollei adapters can be easily sandpapered to obtain optimal thickness if needed. I did that on more than one adapter, with perfect working results.

Additionally, I can provide the contact to an Ebay seller who has an optical mechanical construction company, and who does fix adapters that are too thick if you want a mechanically precise and beautiful work.

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PostPosted: Sun Nov 04, 2007 1:19 pm    Post subject: Reply with quote

Martin @ Panoramaplanet's list of 5D compatible lenses:

http://www.panoramaplanet.de/comp/index.html

From what I've gathered from various sources, Exakta-EF adapters generally don't quite allow infinity focus in that the adapter flange would have to be extremely thin.


PostPosted: Sun Nov 04, 2007 4:45 pm    Post subject: Reply with quote

According to this listing the Exakta lens register is 44.7mm compared with the Canon EF at 44mm:

http://www.a1.nl/phomepag/markerink/mounts.htm


With 0.7mm difference it's a wonder no one has tried the same as what Pentax did and offered an adapter that fitted inside the camera lens mount.


PostPosted: Sun Nov 04, 2007 4:49 pm    Post subject: Reply with quote

Thanks LL. Based on your figures I've updated the compatability chart of register distances. Look along the horizontal row for the lens type and then down that column to see if it is compatible with the camera type on the left. Green indicates distance is OK, red indicates inifinity focus not possible without additional optics and yellow indicates probably OK but if a flange is needed it will probably be too thin or the bayonets may clash.



edit: updated to include Exakta lenses. Any others?


Last edited by peterqd on Sat Apr 17, 2010 2:29 pm; edited 1 time in total


PostPosted: Mon Nov 05, 2007 11:31 am    Post subject: Reply with quote

Excellent information here guys. Many thanks.

I have 4 M42->EOS adapters including an AF confirm. None of them is 1.5mm thick Sad They are about 1mm thick.
What would be the effect on pictures/focussing? Do I have to build up by packing 0.5mm thick tape between the lens and adapter? Or should I un-dust my Canon lenses and say good-bye to all my MF lenses?
Sorry, latter won't happen Wink

Cheers
Ed


PostPosted: Mon Nov 05, 2007 12:29 pm    Post subject: Reply with quote

esrods wrote:
Excellent information here guys. Many thanks.

I have 4 M42->EOS adapters including an AF confirm. None of them is 1.5mm thick Sad They are about 1mm thick.
What would be the effect on pictures/focussing? Do I have to build up by packing 0.5mm thick tape between the lens and adapter? Or should I un-dust my Canon lenses and say good-bye to all my MF lenses?
Sorry, latter won't happen Wink

Cheers
Ed


Hi Ed. When an adapter is too thin the lens will sit a little too close to the sensor, which means it will focus on infinity in the viewfinder before it hits the stop on the focus ring - it will focus "beyond infinity" if such a thing is possible. At the other end of the scale you lose a little of the short focus distance.

This happens with most of my adapters too, but I thick it's much better this way than when the adapter is too thick and you lose the abilty to focus on infinity altogether, so I haven't bothered to do anything about it. Just go with what you see in the viewfinder and you'll be OK.

You could try packing out the adapter behind the flange slightly to keep the lens further from the sensor, but this might give problems with the bayonet unless it's quite loose already. It might be better to put the packing between the lens and the adapter, but then the index mark on the lens won't be at the normal 12 o'clock position. Maybe aluminium foil would be good to start with, folding it over till you get to the thickness you need.

Greetings to Sydney, by the way - my son lives in Surry Hills. We were there in April last year.


PostPosted: Mon Nov 05, 2007 12:57 pm    Post subject: Reply with quote

Thanks Peter,
Now I understand why I have to 'pull back' slightly to get the best long distace focus.
I think I will stick to what I have been using Very Happy

Cheers from Sydney Wink
Ed


PostPosted: Thu Nov 15, 2007 1:57 am    Post subject: Reply with quote

Any recommanded eBay Nikon to EOS adaper ? Thanks


PostPosted: Thu Nov 15, 2007 2:04 am    Post subject: Reply with quote

Orio will tell you, I have no clue.


PostPosted: Thu Nov 15, 2007 2:55 am    Post subject: Reply with quote

I buy them from this guy, very honest seller, 100% trust.

http://stores.ebay.it/wwvnikon-discountcom

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PostPosted: Fri Nov 16, 2007 5:07 pm    Post subject: Reply with quote

Peter

greta work, thanks


Orio

what a lovely site, mille grazie



patrickh


PostPosted: Tue Nov 20, 2007 3:52 am    Post subject: Reply with quote

peterqd wrote:
edit: updated to include Exakta lenses. Any others?


Thanks Peter for this useful table.

You could also add the excellent Bessaflex and Retina Reflex lenses. They used a special bayonet type. My documentation says the registration distance is 44.70mm, but I think it is more. The lenses were made by Voiglnder for the Bessamatic and Ultramatic cameras (like the very nice 50/2.0 Septon) and by Schneider or Rodenstock for the Kodak Retina IIIS and Retina Reflex cameras.

There is an adapter to mount these lenses on EOS cameras which is made by Rayqual in Japan (but I'm afraid it doesn't ship out of Japan):
http://world.altavista.com/babelfish/trurl_pagecontent?lp=ja_en&trurl=http%3a%2f%2fhomepage2.nifty.com%2frayqual%2fDKL.html

There also an M42 version of this adapter available from Cameraquest (ships worldwide):
http://www.cameraquest.com/adapt_deckel.htm

The M42 adapter is also available from Elefoto in Japan (ships worldwide):
http://elefoto.hp.infoseek.co.jp/ENGLISH/slr-e.html

Cheers,

Abbazz


PostPosted: Tue Nov 20, 2007 11:38 am    Post subject: Reply with quote

Abbazz wrote:
peterqd wrote:
edit: updated to include Exakta lenses. Any others?


Thanks Peter for this useful table.

You could also add the excellent Bessaflex and Retina Reflex lenses. They used a special bayonet type. My documentation says the registration distance is 44.70mm, but I think it is more. The lenses were made by Voiglnder for the Bessamatic and Ultramatic cameras (like the very nice 50/2.0 Septon) and by Schneider or Rodenstock for the Kodak Retina IIIS and Retina Reflex cameras.

There is an adapter to mount these lenses on EOS cameras which is made by Rayqual in Japan (but I'm afraid it doesn't ship out of Japan):
http://world.altavista.com/babelfish/trurl_pagecontent?lp=ja_en&trurl=http%3a%2f%2fhomepage2.nifty.com%2frayqual%2fDKL.html

There also an M42 version of this adapter available from Cameraquest (ships worldwide):
http://www.cameraquest.com/adapt_deckel.htm

The M42 adapter is also available from Elefoto in Japan (ships worldwide):
http://elefoto.hp.infoseek.co.jp/ENGLISH/slr-e.html

Cheers,

Abbazz


Thankyou Abbazz. I will add another column for Bessa/Retina lenses as soon as I get time. It's interesting to see from the Japanese site that this is another mount where you might be able to use an intermediate adapter, for instance Bessa/M42 > M42/EOS. However I think your figure of 44.7mm is probably correct, based on the site where I got my information: http://www.a1.nl/phomepag/markerink/mounts.htm, and if this is correct then I don't think the Japanese adapter would achieve infinity focus on any camera (except maybe the Oly 4/3) unless it has a conversion lens itself. The column in the table would look exactly the same as the Exakta mount.

The table started out simply as a comparison of register distances to show what combinations work in theory, but it would be quite easy to show the combinations for which adapters are already available, with another colour, possibly. I'll give it some thought. Smile


PostPosted: Tue May 27, 2008 12:08 pm    Post subject: Eos m42 converter Reply with quote

Hello i'm kind of a newbee here and i've got an EOS 350D with an M42 adapter and a Takumar 1:1.8/ 55 mm lens. I like it very much but the only problem is that I can't use the Aperturefuntion on the lens. Are there converters which can controll this function?


PostPosted: Tue May 27, 2008 1:32 pm    Post subject: Reply with quote

Hello,

You need an EOS -> M42 adapter with apterture pin flange.

So not like this one (look at inside):



But like this one :



PostPosted: Tue May 27, 2008 6:56 pm    Post subject: Reply with quote

Do you know where I can find one?
i found this on Ebay.
Is this a good one?


PostPosted: Tue May 27, 2008 8:25 pm    Post subject: Reply with quote

I don't know if it is a "good" one, you cannot really tell before you can try it, but it looks like it presses down the pin.

Welcome aboard and enjoy your stay!


PostPosted: Tue May 27, 2008 8:55 pm    Post subject: Reply with quote

gerbenv wrote:
Do you know where I can find one?
i found this on Ebay.
Is this a good one?


That'll do it. 'big_is' is a well known reliable seller on ebay.


PostPosted: Tue May 27, 2008 8:58 pm    Post subject: Reply with quote

Welcome to the forum. I have a Zuiko adapter from these guys. It works very well and has next to no play. The M42 adapters are usually the most realiable from any seller. It is the easiest to make. Definitely get one with the AF confirm chip if this is your first try at MF lenses on a crop dslr.

Andy


PostPosted: Sun Jun 08, 2008 6:43 am    Post subject: Reply with quote

Correct me if I am wrong, but the 5D mostly have problem with wide angles, right?
Like around and bellow 50mm mostly ?


PostPosted: Sun Jun 08, 2008 4:20 pm    Post subject: Reply with quote

Compatibility list is here - not exhaustive though.

http://www.panoramaplanet.de/comp/

If you check my gear list via the link in my sig, I can tell you which M42 mount lenses out of that list are problematic with my 5D. However, some 5Ds may not have issues - both myself and Orio have 5D bodies and CZJ Flektogon 4/25 lenses, but my 4/25 copy fouls my 5D's mirror, while AFAIK Orio's doesn't.


PostPosted: Sun Jun 08, 2008 4:22 pm    Post subject: Reply with quote

bob955i wrote:
both myself and Orio have 5D bodies and CZJ Flektogon 4/25 lenses, but my 4/25 copy fouls my 5D's mirror, while AFAIK Orio's doesn't.


Yes, I seem to remember that it didn't - I have to check, I am able to see it from the RAW info, but I need to find the files in my archive.


PostPosted: Sun Jun 08, 2008 4:30 pm    Post subject: Reply with quote

I do remember you commenting on how it had the same or similar IQ and lack of distortion as the 4/20 so I inferred from that, that you had been able to mount the lens on your 5D without issue.