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 Sigma 150-500mm F5-6.3 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. Sigma 150-500mm F5-6.3 is the longer of the two lenses at 252mm. The Canon 400mm F4 DO IS II USM with a length of 233mm, is 19mm shorter. On the other hand, the Canon 400mm F4 DO IS II USM has a larger diameter of 128mm compared to the Sigma 150-500mm F5-6.3's 95mm 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. Sigma 150-500mm F5-6.3 weighs 1780g, 15% (320g) lighter than the Canon 400mm F4 DO IS II USM's weight of 2100g.
Filter Threads
The Canon 400mm F4 DO IS II USM has a filter size of 52mm whereas the Sigma 150-500mm F5-6.3 has a 86mm 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 86mm filters that we recommend for the Sigma 150-500mm F5-6.3:
Lens Mounts
Both the Canon 400mm F4 DO IS II USM and the Sigma 150-500mm F5-6.3 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.
Sigma 150-500mm F5-6.3 is also available in Nikon F (FX) , Pentax KAF3, Sony Alpha and Sigma SA mounts.
Focal Range
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 Sigma 150-500mm F5-6.3 has a focal range of 150-500mm and 3.3X zoom ratio . When it is mounted on an APS-C sensor camera with 1.6x crop, it provides a 35mm (FF) equivalent of 240 - 800mm.
