Tamron AF 28-200 F3.8-5.6?
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I have lens of: Tamron AF 28-200 F3.8-5.6, can i use this lens on DSLR camera NIKON D3100,
if not on which camera mount will will suit this either CANON, SONY
can you guide in this regard
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If it's in Nikon mount, it will fit a D3100, but it may not autofocus.
Tamron only make lenses (they have done for decades), but they make them to fit just about everybody's cameras - so there's no way to tell which camera it will fit unless you know the lens mount.
Look for an inscription around the base of the lens or consult a dealer.
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Maybe.
It will mount your D3100 only if it comes with a Nikon mount.
Have you tried mounting it? If it does not go in perfectly (and end with a click) then it's not compatible. Tamron makes lenses for different cameras including Canon, Nikon, Pentax and Sony.
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Don't expect answers to be different than the ones you got last week when you asked this same question.