The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Canon EF 400mm F2.8L IS III USM and the Canon 400mm F4 DO IS II USM for their suitability to various photography scenarios:
Size and Weight Comparison The size of a lens is a crucial factor to consider when comparing two lenses. Canon EF 400mm F2.8L IS III USM is the longer of the two lenses at 343mm. The Canon 400mm F4 DO IS II USM with a length of 233mm, is 110mm shorter. Besides being longer, the Canon EF 400mm F2.8L IS III USM also has a larger diameter of 163mm compared to the Canon 400mm F4 DO IS II USM's 128mm diameter.
Below you can find a scaled side-by-side image of Canon EF 400mm F2.8L IS III USM and Canon 400mm F4 DO IS II USM to get a better idea of how their sizes compare in real life.
Comparison image of the Canon EF 400mm F2.8L IS III USM and the Canon 400mm F4 DO IS II USM Size and Weight The weight of a lens is equally significant as its external dimensions, particularly if you intend to handhold your camera and lens combination for extended periods. Canon 400mm F4 DO IS II USM weighs 2100g, 26% (740g) lighter than the Canon EF 400mm F2.8L IS III USM's weight of 2840g.
Below you can find the dimension and weight table of the Telephoto Prime Lenses in Canon EF Mount for size comparison purposes.
Super Telephoto Canon EF Mount
Filter Threads
Both the Canon EF 400mm F2.8L IS III USM and the Canon 400mm F4 DO IS II USM have the same Filter thread size of 52mm .
Below are links to the 52mm filters that we recommend you to consider for these lenses:
Lens Mounts
Both the Canon EF 400mm F2.8L IS III USM and the Canon 400mm F4 DO IS II USM has the same Canon EF lens mount . Some of the latest released cameras that are compatible with the Canon EF lenses are Blackmagic URSA 12K LF , Z CAM E2-F6 II 6K and Z CAM E2-S6 II 6K .
Focal Range
Both lenses have the same focal range of
400mm but while Canon EF 400mm F2.8L IS III USM has the fastest aperture of
F2.8 , the Canon 400mm F4 DO IS II USM's widest aperture value is
F4.0 .
