The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Canon RF 800mm F11 and the Sigma 60-600mm F4.5-6.3 DG OS 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 RF 800mm F11 is the longer of the two lenses at 281mm. The Sigma 60-600mm F4.5-6.3 DG OS with a length of 269mm, is 12mm shorter. On the other hand, the Sigma 60-600mm F4.5-6.3 DG OS has a larger diameter of 120mm compared to the Canon RF 800mm F11's 102mm 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. Canon RF 800mm F11 weighs 1260g, which means it is 1440g (53%) lighter than the Sigma 60-600mm F4.5-6.3 DG OS which has a weight of 2700g.
Filter Threads
The Canon RF 800mm F11 has a filter size of 95mm whereas the Sigma 60-600mm F4.5-6.3 DG OS has a 105mm diameter. Larger filters are generally more expensive than the smaller ones given all the other features are equal.
Below are links to the 95mm filters that we recommend you to consider for the Canon RF 800mm F11:
And these are the 105mm filters that we recommend for the Sigma 60-600mm F4.5-6.3 DG OS:
Lens Mounts
The Canon RF 800mm F11 has the Canon RF lens mount whereas the Sigma 60-600mm F4.5-6.3 DG OS has the Canon EF lens mount. Some of the latest released cameras that are compatible with these mounts are Canon R6 V, Canon R6 III and Canon C50 for the Canon RF Mount and Blackmagic URSA 12K LF, Z CAM E2-F6 II 6K and Z CAM E2-S6 II 6K for the Canon EF Mount.
Sigma 60-600mm F4.5-6.3 DG OS is also available in Nikon F (FX) and Sigma SA mounts.
Focal Range
Canon RF 800mm F11 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.
On the other hand, the 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.
