The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Tokina 80-400mm f4.5-5.6 and the Canon 400mm f5.6L 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 400mm f5.6L USM is the longer of the two lenses at 257mm. The Tokina 80-400mm f4.5-5.6 with a length of 137mm, is 120mm shorter. Besides being longer, the Canon 400mm f5.6L USM also has a larger diameter of 90mm 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, which means it is 230g (18%) lighter than the Canon 400mm f5.6L USM which has a weight of 1250g.
The Tokina 80-400mm f4.5-5.6 has a filter size of 72mm whereas the Canon 400mm f5.6L USM has a 77mm diameter. Larger filters are generally more expensive than the smaller ones given all the other features are equal.
Below are links to the 72mm filters that we recommend you to consider for the Tokina 80-400mm f4.5-5.6:
And these are the 77mm filters that we recommend for the Canon 400mm f5.6L USM:
Both the Tokina 80-400mm f4.5-5.6 and the Canon 400mm f5.6L USM 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.
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
On the other hand, the Canon 400mm f5.6L 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.