Weighing approx 2100g the optical arrangement in the Canon EF 400mm f/4 DO IS II USM makes it roughly half the weight of the f/2.8 versionCanon 400mm f/4 DO IS II USM Specification: Slightly heavier ...
Weighing approx 2100g the optical arrangement in the Canon EF 400mm f/4 DO IS II USM makes it roughly half the weight of the f/2.8 versionCanon 400mm f/4 DO IS II USM Specification: Slightly heavier ...
(From Nikon lens literature) The New AF-S NIKKOR 400mm f/2.8E FL ED VR: Superior Optics, Superb Handling The new 400mm f/2.8 super-telephoto lens delivers upon the NIKKOR promise of uncompromising ...