First a weird note: Amazon lists the action camera in the system camera category.
According to Amazon system camera sales ranking (Click here) the A7rIII is best Sony selling camera. And as usual also the A6000 sales are very strong. When it comes to the lens ranking lets see if you can guess what lens is selling best (Guess and Click here to see).
To see the rankins in all different Amazon countries go here:
Camera ranking at Amazon US, Amazon CA, Amazon DE, Amazon UK, Amazon IT, Amazon FR, Amazon ES.
Lens ranking at Amazon US, Amazon CA, Amazon DE, Amazon UK, Amazon IT, Amazon FR, Amazon ES.