It's a telephoto prime with a built-in teleconverter, letting photographers switch between two focal lengths in seconds. Here ...

One of the best features of Tamron’s 150-500mm f/5-6.7 lens is how incredibly compact it is for the lens class. At just 8.4 inches long when zoomed out (11.3 inches at 500mm) and 3.79 pounds, the lens ...