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<blockquote data-quote="Fortkentdad" data-source="post: 477687" data-attributes="member: 24285">I read on another post that one should avoid third party lenses because Nikon may make changes in future camera bodies and your third party lens may not be compatible with it.&nbsp; I find this odd - and a little troubling as I've invested in several Tamron lenses and others.&nbsp; But the other thing I find odd is that some of my third party lenses are rather old - not antique but 10 - 20 years old.&nbsp; They still seem to work just fine on my D610 and my D5100 (howbeit they don't AF on the D5100 as it does not have an internal motor).&nbsp; Does anyone have experience with a Tamron (or other third party lens) being made obsolete when they upgraded to new body?&nbsp; I suppose the option would be not to upgrade if that is going to be the case.&nbsp; If and when I ever upgrade I'll have to be sure and test my lenses with that body first.&nbsp; I noticed that some lenses do have the ability to have their software upgraded - the one I'd be most worried about (Tamron 24-70 2.8) does not have a USB port).</blockquote>

[QUOTE="Fortkentdad, post: 477687, member: 24285"] I read on another post that one should avoid third party lenses because Nikon may make changes in future camera bodies and your third party lens may not be compatible with it. I find this odd - and a little troubling as I've invested in several Tamron lenses and others. But the other thing I find odd is that some of my third party lenses are rather old - not antique but 10 - 20 years old. They still seem to work just fine on my D610 and my D5100 (howbeit they don't AF on the D5100 as it does not have an internal motor). Does anyone have experience with a Tamron (or other third party lens) being made obsolete when they upgraded to new body? I suppose the option would be not to upgrade if that is going to be the case. If and when I ever upgrade I'll have to be sure and test my lenses with that body first. I noticed that some lenses do have the ability to have their software upgraded - the one I'd be most worried about (Tamron 24-70 2.8) does not have a USB port). [/QUOTE]

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