Canon EF 400mm f5.6L USM chamonix but can extend to about

but can extend to about 1

The Honeywell Cube Adapter is a simple plug-and-play accessory that can do just that

it's sold out)

5 zoom lens

Canon EF 400mm f5.6L USM chamonix but can extend to aboutThe Canon EF 400mm f5. 6L USM is a relatively compact telephoto prime lens for Canon EOS film and digital cameras. I say "relatively compact" because it's slim enough to fit in a normal sized backpack without too much drama, but it still weighs about 1. 4kg, so don't expect miracles. In excellent condition, with clean glass and good function. Includes case and box. Does it include a hood? Yes! It's a built in retractable hood, like every lens should