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Canon lens, Adaptall - not!

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completelynewtodp

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Sorry, more help and advice needed. I have just bought, for a very reasonable price, an Auto-Tamron 300mm f/5.6 lens with the intention of using it, via an adaptor, for some cheap long-distance shots with my E1.

The lens was sold as possessing an Adaptall adaptor but as far as I can see it is a proprietary mount, presumably Canon (the mount is marked C-AF and the lens serial number is 202912 - I have Googled extensively but can't find any helpful information on this lens). The seller says "The lens was bought for a Canon FD, actually a Canon F1 and I used it (very rarely) on a Canon T-70")

I would be happy to keep this lens if I could find an adaptor to fit it to my E-1. I have looked on the usual Chinese sites but I can't find anything obvious, so I would be very grateful for any information (a) on what kind of mount it might be, and (b) if adaptors exist.
--
John
 
well it's a Cannon mount and if you run a search on ebay for 4/3 adapter you will see the kind of adapter you need if it is available! No Cannon are listed and I don't know if they are made at all but I would contact one of the larger ebay sellers advertising, for example, nikon to 4/3rds adapters, and ask if they do a Cannon C-AF to 4/3rds adapter - they tend to respond very quickly!
 
this one http://jfcampbell.us/photo/tamron300-5.6.htm ?
isn't it that adaptall lens mounts are exchangeable (with few screws)?
http://mattdentonphoto.com/cameras/adaptall-2.html

you would need just another adaptall, in this case an olympus OM adaptall lens mount
AND the fourthirds adapter).
http://www.tamron.com/lenses/prod/conventional.asp

not sure but as the adaptall system seems discontinued u'd search for a (cheap) OM-compatible tamron lens on eb*y.
there is no fourthirds adaptall available.

--
regards
michael

sorry for bad english ;)
http://www.flickr.com/photos/91624034@N00/
http://www.myfourthirds.com/user.php?id=412&page=user_folders
 
Any of the other replies are quite clear, so I'll have ago.

Tamron used to sell lenses that were designed for all cameras, you just changed a mount on the back that Tamron made, called an Adaptall. That way, when you changed brands you just changed your Adaptalls.

You have bought a Tamron lens with a Canon fit Adaptall mount.

That's unfortunate, because Canon is about the one mount you cannot use on 4/3rds.

Your choices are:

1) ebay it out again.

2) Look for a spare Adapatall mount on ebay, check which fit it is (Nikon, Pentax K, whatever) and then look on ebay for a converter from whatever you found to 4/3rds.

--
http://www.flickr.com/photos/acam
 
1. Remove the Canon adaptall mount. Keep or sell it.

2. Buy another Adaptall mount: Olympus, Nikon, Pentax/Contax/Yashica, or Minolta. Mount it on the lens.

3. Buy a 4/3 adapter to match the mount in step 2. Use the adapter to mount the lens+adaptall mount to your E-System camera

Skip
 
Thank you for all your replies so far but the problem is that I don't think this lens has an Adaptall mount at all!

I was all set with the Adaptall OM mount already bought to do as you suggest - remove the Canon Adaptall, sell it on eBay and fit my OM one. But the lens I have does not have anything that looks like an Adaptall mount nor is there any obvious way of removing the rear end "with a flick of the wrist" - as the Tamron literturate promises! So I deduce that not all Tamron lenses were made with Adaptall mounts, and that this one was specifically made to fit a Canon camera. And since I can't find a Canon -> OM adaptor and nor, I think can you experienced searchers - I think the lens will have to go.

But I would be delighted to be told I am wrong.

--
John
 
Does your lens look anything like eBay item number 140077000553?

If so, it's an Adapt-a-Matic lens. These do have interchangeable mounts, but with a different fitting using a screw-on retaining ring at the rear. Adapt-a-Matic mounts were made for fittings like M42 and Nikon (but not Olympus), so you could remove the C-AF (Canon FL) mount and replace it with one of these, and then add a suitable E-1 adapter.

It might (just) have a fixed mount, in which case there's no non-optical adapter for the E-1...
 
Hello ! I'm french but i maybe understood your request !

Then, for your lens, i also bought a Tamron lens (75 - 250 mm) with the Adaptall 2 mount.

It's a Tamron's mount. In order to connect your lens to the E-1, you must find an adaptator for Olympus OM mount.

With this adaptator, you could use all the Tamron's lens with this mount.
It isn't very expensive, i paid 20€ and 150€ for the lens.

And i can say you that the quality is here with my E-500.

I hope responding to your demand.

At soon
Olivier
 
Yes, it looks very similar but not quite identical to 140077000553. The only differences that I can see are that (1) it has a small flat silver lever in a slot instead of the round black pin sticking out at the top rear, and (2) the threaded black ring on (which is written MADE IN JAPAN PAT PEND and C-AF) is the same diameter as the silver ring beneath it, not smaller as here. Also when it is screwed in (as in the eBay picture) there is no thread visible.

Could this still be an adaptamatic? - yours is the most hopeful answer I have had so far.

I don't read German but I can't actually spot which camera 140077000553 was meant to fit - can you?
--
John
 
completelynewtodp said:
Yes, it looks very similar but not quite identical to 140077000553.
The only differences that I can see are that (1) it has a small
flat silver lever in a slot instead of the round black pin sticking
out at the top rear, and (2) the threaded black ring on (which is
written MADE IN JAPAN PAT PEND and C-AF) is the same diameter as
the silver ring beneath it, not smaller as here. Also when it is
screwed in (as in the eBay picture) there is no thread visible.
Click to expand...
The lens in that listing has an M42 screw mount, which is why you can see the thread in the picture. The black ring at the very back of your lens is the breech lock ring, and if it's an Adapt-a-Matic lens there'll be another ring (probably silver) just forward of this. If you can unscrew that ring from the rear of your lens and remove the mount (it then just pulls off), then it's Adapt-a-Matic.

If the mount isn't removable, then you may have a Tamron fixed mount lens. There's a fixed mount 200mm on eBay as item number 130023352145 which is also in Canon fitting. If yours is like this one, then there's no simple adapter to fit it to your E-1, unfortunately!

There's some useful information on Tamron lenses here:

http://www.adaptall-2.com/
 
how about a couple of detail pics of the lens mount? that should help in the detective stakes!

my original post was based on it not being an Adaptall/2; I do have a Tamron 80-210 Adaptall/2 with OM mount which I use on an E400 via a cheap 4/3rds adapter but that's the easy bit!

please post a couple of detail pics.............
 
Yes it does have a silver ring and then I think the black part just pulls away - but I have been cautious because I did not know if I was wrecking anything.

Tied up working today but I'll try my hand at photographing the lens tomorrow and also post the pictures - but I am not sure how to do that because so far I have only taken a very few digital images and they are just stored on my hard drive. Is their a simple FAQ to tell me how to do it?

Assuming it is an adaptamatic - were such things ever made for the OM1? There are none on eBay that I can see but I guess they are ferw and far between anyway.

Thanks

--
John
 
Thank you all for your advice. It seems to me now that whether this lens has an Adaptamatic mount or a proprietary Canon one the chance of being able to attach it to my Olymus bodies is very low.

I have decided to dispose of it.
--
John
 
Hi, John.

There never was an Adapt-a-Matic mount for Olympus (the system was replaced by Adaptall mounts before the OM-1 was launched). You could use a combination of Adapt-a-Matic mounts for Nikon or M42 and 4/3 adapters, but I agree it hardly seems worth the trouble and expense...

Regards,

Dave.
 
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