Canon RF 400mm F2.8 L IS USM Lens Shutter Buttons you don't have to

you don't have to

Pixel Shift Multi Shooting responds to changing conditions

all depending on your framing

As a Wireless Speedlites Trigger

The ability to open the aperture also allows for faster shutter speeds

Canon RF 400mm F2.8 L IS USM Lens Shutter Buttons you don't have toDelivering high performance for professional photographers as well as inheriting the optics of the EF 400mm f 2. 8L IS III model, the RF400mm F2. 8 L IS USM is the go to choice to help capture superb shots of sports, wildlife and more. Its optical image stabilization system with up to 5. 5 stops* of shake correction, including three IS operation modes, helps to deliver sharp results whether hand held or mounted on a monopod. For brilliantly clear