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TechArt ver. 2 with Canon EF lens on Sony A7 - Problems


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Hello, all!


I have purchased a Tech Art ver 2 adapter (Canon EF/Sony A7). Issues:

1. Both, AF and IS do not work simultaneously. If both are switched on, the AF will just continue to  hunt or IS will not be effective. Switch off one and the other works just fine. Does anyone here know how how to fix it so both work normally?

2. Also, is this adapter compatible with the Sony A7 Mk II?

3. The adapter comes wth a USB stick but no idea how to use it. It has no driver, computer running on Win7 does not recognise it, and no support online. Anyone know how to use it or contact TechArt?


Thanks in advance for your help!

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