The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Canon 400mm F4 DO IS II USM and the Tokina 80-400mm f4.5-5.6 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 400mm F4 DO IS II USM is the longer of the two lenses at 233mm. The Tokina 80-400mm f4.5-5.6 with a length of 137mm, is 96mm shorter. Besides being longer, the Canon 400mm F4 DO IS II USM also has a larger diameter of 128mm compared to the Tokina 80-400mm f4.5-5.6's 79mm diameter.
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. Tokina 80-400mm f4.5-5.6 weighs 1020g, 51% (1080g) lighter than the Canon 400mm F4 DO IS II USM's weight of 2100g.
The Canon 400mm F4 DO IS II USM has a filter size of 52mm whereas the Tokina 80-400mm f4.5-5.6 has a 72mm diameter. Larger filters are generally more expensive than the smaller ones given all the other features are equal.
Below are links to the 52mm filters that we recommend you to consider for the Canon 400mm F4 DO IS II USM:
And these are the 72mm filters that we recommend for the Tokina 80-400mm f4.5-5.6:
Both the Canon 400mm F4 DO IS II USM and the Tokina 80-400mm f4.5-5.6 has the same Canon EF lens mount. Some of the latest released cameras that are compatible with the Canon EF lenses are Canon 1D X III, Canon 6D MII and Canon 5D MIV.
Tokina 80-400mm f4.5-5.6 is also available in Nikon F (FX) mount.
Canon 400mm F4 DO IS II USM is a prime lens with fixed focal lenght of 400mm. When it is mounted on an APS-C sensor camera with 1.6x crop, it provides a 35mm (FF) equivalent of 640mm
On the other hand, the Tokina 80-400mm f4.5-5.6 has a focal range of 80-400mm and 5.0X zoom ratio . When it is mounted on an APS-C sensor camera with 1.6x crop, it provides a 35mm (FF) equivalent of 128 - 640mm.