The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Canon RF 16-28 F2.8 and the Sigma 10-18mm F2.8 DC DN C 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 16-28 F2.8 is the longer of the two lenses at 91mm. The Sigma 10-18mm F2.8 DC DN C with a length of 64mm, is 27mm shorter. Besides being longer, the Canon RF 16-28 F2.8 also has a larger diameter of 77mm compared to the Sigma 10-18mm F2.8 DC DN C's 72mm diameter.
Below you can find a scaled side-by-side image of Canon RF 16-28 F2.8 and Sigma 10-18mm F2.8 DC DN C to get a better idea of how their sizes compare in real life.
Comparison image of the Canon RF 16-28 F2.8 and the Sigma 10-18mm F2.8 DC DN C Size and Weight 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 10-18mm F2.8 DC DN C weighs 255g, 42% (190g) lighter than the Canon RF 16-28 F2.8's weight of 445g.
Below you can find the dimension and weight table of the Wideangle Zoom Lenses in Canon RF Mount for size comparison purposes.
Ultra-Wideangle Canon RF Mount
Filter Threads
Both the Canon RF 16-28 F2.8 and the Sigma 10-18mm F2.8 DC DN C have the same Filter thread size of 67mm .
Below are links to the 67mm filters that we recommend you to consider for these lenses:
Lens Mounts
Both the Canon RF 16-28 F2.8 and the Sigma 10-18mm F2.8 DC DN C has the same Canon RF lens mount . Some of the latest released cameras that are compatible with the Canon RF lenses are Canon R6 V , Canon R6 III and Canon C50 .
Sony E , Leica L and Fujifilm X mounts.
Focal Range
Canon RF 16-28 F2.8 has a focal range of 16-28mm and
1.8X zoom ratio . When it is mounted on an APS-C sensor camera with 1.6x crop, it provides a 35mm (FF) equivalent of
25.6 - 44.8mm .
On the other hand, the Sigma 10-18mm F2.8 DC DN C has a focal range of 10-18mm and 1.8X zoom ratio which has an effective (full-frame 35mm equivalent) focal range of 16-28.8mm when used on a APS-C / DX format camera.
