Tamron 18-270

he 7200 will only accept 200 or 300 as an aperture in the non-cpu lens setting. Which would be best?

Why would you need to do this?

nickt said:

Why would you need to do this?

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I understood that the Tamron was a non CPU lens and so I had to put in information for the camera to recognise and use the data?

There might be a very old one that I am unaware of, but if its a regular Tamron 18-270 , it should just work.

I'm pretty sure there is no non-cpu version. I just searched. There is a little older non-PZD version, but that one will work fine too.

Thank you very much. I am a complete newbie so information is gratefully received!