Lufthansa. Airbus A380. Sony NEX and 18-200LE

D Cox wrote:

200mm f/4 lenses are quite common (I have an excellent Nikkor from the 1980s), and f/2.8 lenses exist at a price. But they are manual focus.

The most important thing at these long lengths is to use a high shutter speed. You will get sharper results at ISO 800 than at 100, for this reason.