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Question about Tamron Adaptall mounts
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PostPosted: Wed Jul 11, 2007 8:39 pm    Post subject: Question about Tamron Adaptall mounts Reply with quote
Are the Tamron lens compatible with both the original Adaptall and later Adaptall 2 mounts? If not what improvement did the Adaptall 2 mount provide?

Thanks,

John


PostPosted: Wed Jul 11, 2007 8:46 pm    Post subject: Reply with quote
Welcome here ! Please take a look on this site you should get the answer.

http://www.adaptall-2.com


PostPosted: Wed Jul 11, 2007 8:48 pm    Post subject: Reply with quote
You can get some info here..

http://photo.net/bboard/q-and-a-fetch-msg?msg_id=00CDDy

What I have read... Adaptall mount had Auto/Manual switch, but that was making the coupling un-reliable.
Adaptall-2 is reliable and no A/M switch..

You can find some (lot of) info here...
http://adaptall-2.com/


PostPosted: Wed Jul 11, 2007 8:54 pm    Post subject: thanks Reply with quote
I just found the pnet forum entry before I read your reply. Sounds like the Tamron web site you supplied will be more helpful.

Thanks,

John


PostPosted: Wed Jul 11, 2007 9:34 pm    Post subject: Re: Question about Tamron Adaptall mounts Reply with quote
smctak wrote:
Are the Tamron lens compatible with both the original Adaptall and later Adaptall 2 mounts? If not what improvement did the Adaptall 2 mount provide?

Thanks,

John


Hi John. The person to ask is our member TamronSP (aka Michael) who I think is the author of all the information on the Adaptall-2 site. You can send him a private message using the link on this forum here:
http://forum.mflenses.com/memberlist.php He is #6 on the list.

I may be wrong but I think Adaptall-2 was introduced to provide compatability with a larger range of lenses in terms of communicating lens aperture settings between lens and camera. At present I only use M42 mounts with M42/EOS adapters on the 400D so I have no personal experience of this aspect.
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