Pros: Professional build quality and comprehensive feature set, incredibly compact and light for an 800mm 35mm equivalent focal length setup, fast accurate autofocus, superb image stabilisation in the body and the lens made hand-holding at long focal lengths possible. Did I mention it was compact and light. Cons: Autofocus sometimes….

Pros: The big one is reach — at 600mm on my Nikon DX format body it gives a staggering 900mm 35mm equivalent. Excellent image quality throughout the zoom range. Autofocus is quick and responsive, with minimal “hunting” and once locked on stays locked on (as long as you can keep the….