What are the main differences between the Canon 70-200 and the Tamron 70-200 lenses?

The main differences between the Canon 70-200 and Tamron 70-200 lenses are in their build quality, autofocus speed, and image stabilization performance. Canon lenses are known for their superior build quality and faster autofocus, while Tamron lenses are often more affordable and offer comparable image quality with slightly slower autofocus. Canon lenses also typically have better image stabilization technology compared to Tamron lenses.