The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Sigma 60-600mm F4.5-6.3 DG OS and the Canon 800mm f5.6L IS 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 800mm f5.6L IS USM is the longer of the two lenses at 461mm. The Sigma 60-600mm F4.5-6.3 DG OS with a length of 269mm, is 192mm shorter. Besides being longer, the Canon 800mm f5.6L IS USM also has a larger diameter of 163mm compared to the Sigma 60-600mm F4.5-6.3 DG OS's 120mm 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 60-600mm F4.5-6.3 DG OS weighs 2700g, which means it is 1800g (40%) lighter than the Canon 800mm f5.6L IS USM which has a weight of 4500g.
Filter Threads
The Sigma 60-600mm F4.5-6.3 DG OS has a filter size of 105mm whereas the Canon 800mm f5.6L IS USM has a 52mm diameter. Larger filters are generally more expensive than the smaller ones given all the other features are equal.
Below are links to the 105mm filters that we recommend you to consider for the Sigma 60-600mm F4.5-6.3 DG OS:
And these are the 52mm filters that we recommend for the Canon 800mm f5.6L IS USM:
Lens Mounts
Both the Sigma 60-600mm F4.5-6.3 DG OS and the Canon 800mm f5.6L IS 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.
Sigma 60-600mm F4.5-6.3 DG OS is also available in the Nikon F (FX) and Sigma SA mounts.
Focal Range
Sigma 60-600mm F4.5-6.3 DG OS has a focal range of 60-600mm and
10.0X zoom ratio . When it is mounted on an APS-C sensor camera with 1.6x crop, it provides a 35mm (FF) equivalent of
96 - 960mm.
On the other hand, the Canon 800mm f5.6L IS USM is a prime lens with fixed focal lenght of 800mm. When it is mounted on an APS-C sensor camera with 1.6x crop, it provides a 35mm (FF) equivalent of 1280mm.
