The Canon mark 3 70-200mm S USM lens offers excellent range of zoom, coupled with a low f2.8 aperture and image stabilisation at f3.5.
With Canon’s long standing USM motors driving the fast focusing the 70-200mm provides a great platform for any aviation enthusiast.  

The lens can achieve f3.2 at 200mm and can focus down to 1.2m at its closest.

Weighing 1480g the lens is built with a protective seal to guard against dust and moisture getting in.