Tamron 1.4x SP AF Pro Teleconverter for Nikon AF-I, AF-D & AF-S - for Telephoto Lenses
Tamron 1.4x SP AF Pro Teleconverter for Canon EOS - For Telephoto Lenses 90mm & Longer
Tamron 2x SP AF Pro Teleconverter for Canon EOS
Tamron Teleconverter 2.0x for Canon EF
Tamron Teleconverter 2.0x for Nikon F
Tamron Teleconverter 1.4x for Nikon F
Tamron Teleconverter 1.4x for Canon EF