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How to stow the EF 400mm f/4 DO IS USM in its case

Using the Infinity Compensation Mark on the EF 400mm f/4 DO IS USM lens

Using Extenders (Sold Separately) with the EF 400mm f/4 DO IS USM lens

Attaching the strap on the EF 400mm f/4 DO IS USM lens

Instructions for attaching the strap on the EF 400mm f/4 DO IS USM lens.

Setting the Focus Mode on the EF 400mm f/4 DO IS USM lens

Instructions for setting the Focus Mode on the EF 400mm f/4 DO IS USM lens

Cameras and Lenses Compatible with the Lens Aberration Correction Function of Digital Photo Professional Ver.4.2.10

EF 400mm f/2.8L IS II USM EF 400mm f/4 DO IS USM EF 400mm f/4 DO IS II USM