1

I have a Vivitar zoom lens with a TX adapter for Canon FD. On the adapter is a slide switch marked "EE - M".

What is the function of the switch?

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2
  • 1
    Can you upload a photo?
    – osullic
    Feb 20 at 14:47
  • This is the link to an ebay post that shows the mount. The last photo in the post shows the EE - M switch. If you go to ebay, search vivitar tx mount canon fd. If you can't view the post, let me know and I will get a photo and send it. Thanks for your response.
    – ML Photographer
    Feb 20 at 15:09

1 Answer 1

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4

According to this picture of an instruction manual,

enter image description here

this would be a switch between auto and manual modes (to be used in conjunction with the aperture ring on the lens). Is there a green circle on the aperture ring of your lens?

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