Should I buy nikon or canon Zeiss lenses

what about the new cinevate mount... they say it is pretty precise... And does any one know where I can get an Tamron Adaptall 2 to EOS or how I can make my old Tamron Adaptall 2 lenses fit in my 7D be it a series of adaptors or whatever... Im about to find a CNC shop to just make me one but if you guys can find another option that would be great... I have looked everywhere.
 
Adaptall 2 doesn't work in my experience. I have one Adaptall 2 lens that I've been intending on selling for months. I got the EF adapter for it, but it was useless because it didn't allow me to control the aperture. You can find an adapter on eBay, but they're all the same as the one that I got.

Adaptall 2 is tricky because it has a particular aperture control lever on the back. That's why a simple adapter doesn't work.
 
I have two Tamron Adfaptall 2 primes from the late 70's and 80's and thay are great lenses I have a Pentax mount for them but I am not sure if it is a K-Mount or the old like Pentax 645 mount... I know that I can get pentax to EOS... If I posted up pics would you guys be able to tell me if it was K-Mount or what ever else it may be?
 
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