Here are a some shots from my new 400 F/5.6L. Initial observations are: very light for a 400mm lens. Need to have some light to use it, shutter speeds under 1/500th require extreme steadiness. Great lens, very sharp. I am still partial to the 100-400L due to its IS. Let me know what you think of these shots, all taken on the OG 1D.
F/5.6, 1/125th (hand-held), ISO 200
F/5.6, 1/2500th, ISO 200
F/5.6, 1/800th, ISO 200
F/5.6, 1/2000th, ISO 200











