This Filter Kit Will Fit For The Following Tamron Lenses 1) Tamron Zoom Super Wide Angle 18-200mm f/3.5-6.3 XR Di-II LD Aspherical (IF) Macro Lens for Canon Digital EOS, Nikon, Sony & Minolta 2) Tamron Zoom Wide Angle-Telephoto AF 18-250mm f/3.5-6.3 Di-II LD Aspherical IF Macro Autofocus Lens for Canon Digital EOS, Nikon, Sony 3) Tamron Zoom Wide Angle-Telephoto AF 28-300mm f/3.5-6.3 XR Di LD Aspherical IF Macro Autofocus Lens for Canon EOS, Nikon, Pentax, Sony & Minolta 4) Tamron Zoom Telephoto AF 70-300mm f/4-5.6 Di LD Macro Autofocus Lens for Canon EOS, Nikon, Pentax, Sony & Minolta 5) Tamron Zoom Telephoto AF 75-300mm f/4.0-5.6 LD Macro Autofocus Lens for Canon EOS, Nikon, Pentax, Sony & Minolta 6) Tamron Zoom Wide Angle-Telephoto AF 28-200mm Super Zoom f/3.8-5.6 XR Di Aspherical IF Macro Autofocus Lens for Canon EOS, Nikon, Pentax, Sony & Alpha Lens filters are translucent pieces of glass placed in front of a camera lens to alter or adjust the light entering the camera, and more importantly to protect the camera lens. Lens filters improve photographs by giving you control over light and allowing you to emphasize the features of a scene that you consider most important. This filter kit is a combination of the three essential filters no photographer should be without