The filter thread size of Tamron 16-300mm F3.5-6.3 Di II VC PZD Macro is 67mm.
Below are links to the filters that we recommend you to consider for your Tamron 16-300mm f3.5-6.3 II VC PZD:
Read our detailed Tamron 16-300mm F3.5-6.3 Di II VC PZD Macro Review