A comparison i that dont think has been posted.
Unless you have good language skills its just a picture job
Gear for Image :: Sigma 150-600mm f5-6.3 C vs Tamron 150-600mm f5-6.3 VC @600mm
Unless you have good language skills its just a picture job
Gear for Image :: Sigma 150-600mm f5-6.3 C vs Tamron 150-600mm f5-6.3 VC @600mm