Tamron SP Series Lenses

Only two letters - but what an impact they have on the results. SP stands for Super Performance and represents the high-performance lens class from Tamron. Their engineers were given a free hand in the design of these lenses and left no stone unturned to produce the optimal performance characteristics in each case. Take your camera to new frontiers - and pave the way for Super Performance.
Tamron SP 150-600mm f5-6.3 Di VC USD G2