The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Canon RF 200-800mm and the Sigma 50-500mm F4.5-6.3 DG OS HSM 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 200-800mm is the longer of the two lenses at 314mm. The Sigma 50-500mm F4.5-6.3 DG OS HSM with a length of 219mm, is 95mm shorter. On the other hand, the Sigma 50-500mm F4.5-6.3 DG OS HSM has a larger diameter of 104mm compared to the Canon RF 200-800mm'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. Sigma 50-500mm F4.5-6.3 DG OS HSM weighs 1970g, 3% (80g) lighter than the Canon RF 200-800mm's weight of 2050g.
Filter Threads
Both the Canon RF 200-800mm and the Sigma 50-500mm F4.5-6.3 DG OS HSM have the same Filter thread size of 95mm.
Below are links to the 95mm filters that we recommend you to consider for these lenses:
Lens Mounts
The Canon RF 200-800mm has the Canon RF lens mount whereas the Sigma 50-500mm F4.5-6.3 DG OS HSM 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 50-500mm F4.5-6.3 DG OS HSM is also available in Pentax KAF3 , Sony Alpha, Sigma SA and Nikon F (FX) mounts.
Focal Range
Canon RF 200-800mm has a focal range of 200-800mm and
4.0X zoom ratio . When it is mounted on an APS-C sensor camera with 1.6x crop, it provides a 35mm (FF) equivalent of
320 - 1280mm.
On the other hand, the Sigma 50-500mm F4.5-6.3 DG OS HSM has a focal range of 50-500mm 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 80 - 800mm.
