The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Canon RF-S 18-150mm f3.5-6.3 IS and the Sigma 18-50mm 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-S 18-150mm f3.5-6.3 IS is the longer of the two lenses at 95mm. The Sigma 18-50mm F2.8 DC DN C with a length of 75mm, is 20mm shorter. Besides being longer, the Canon RF-S 18-150mm f3.5-6.3 IS also has a larger diameter of 69mm compared to the Sigma 18-50mm F2.8 DC DN C's 65mm diameter.
Below you can find a scaled side-by-side image of Canon RF-S 18-150mm f3.5-6.3 IS and Sigma 18-50mm F2.8 DC DN C to get a better idea of how their sizes compare in real life.
Comparison image of the Canon RF-S 18-150mm f3.5-6.3 IS and the Sigma 18-50mm 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 18-50mm F2.8 DC DN C weighs 290g, 6% (20g) lighter than the Canon RF-S 18-150mm f3.5-6.3 IS's weight of 310g.
Filter Threads
Both the Canon RF-S 18-150mm f3.5-6.3 IS and the Sigma 18-50mm F2.8 DC DN C have the same Filter thread size of 55mm .
Below are links to the 55mm filters that we recommend you to consider for these lenses:
Lens Mounts
The Canon RF-S 18-150mm f3.5-6.3 IS has the Canon RF lens mount whereas the Sigma 18-50mm F2.8 DC DN C has the Sony E lens mount . Some of the latest released cameras that are compatible with these mounts are Canon R50 V , Canon R100 and Canon R50 for the Canon RF Mount and Sony ZV-E10 II , Sony A6700 and Sony FX30 for the Sony E Mount.
Leica L and Fujifilm X mounts.
Focal Range
Canon RF-S 18-150mm f3.5-6.3 IS has a focal range of 18-150mm and
8.3X zoom ratio which has an effective (full-frame 35mm equivalent) focal range of
28.8-240mm when used on a APS-C / DX format camera.
On the other hand, the Sigma 18-50mm F2.8 DC DN C has a focal range of 18-50mm and 2.8X zoom ratio which has an effective (full-frame 35mm equivalent) focal range of 27-75mm when used on a APS-C / DX format camera.
