The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Fujifilm XF 16-50mm F2.8-4.8 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. Sigma 18-50mm F2.8 DC DN C is the longer of the two lenses at 77mm. The Fujifilm XF 16-50mm F2.8-4.8 with a length of 71mm, is 6mm shorter. On the other hand, the Fujifilm XF 16-50mm F2.8-4.8 has a larger diameter of 65mm compared to the Sigma 18-50mm F2.8 DC DN C's 62mm diameter.
Below you can find a scaled side-by-side image of Fujifilm XF 16-50mm F2.8-4.8 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 Fujifilm XF 16-50mm F2.8-4.8 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. Fujifilm XF 16-50mm F2.8-4.8 weighs 240g, which means it is 45g (15%) lighter than the Sigma 18-50mm F2.8 DC DN C which has a weight of 285g.
Below you can find the dimension and weight table of the Standard Zoom Lenses in Fujifilm X Mount for size comparison purposes.
Standard Fujifilm X Mount
Filter Threads
The Fujifilm XF 16-50mm F2.8-4.8 has a filter size of 58mm whereas the Sigma 18-50mm F2.8 DC DN C has a 55mm diameter. Larger filters are generally more expensive than the smaller ones given all the other features are equal.
Below are links to the 58mm filters that we recommend you to consider for the Fujifilm XF 16-50mm F2.8-4.8:
And these are the 55mm filters that we recommend for the Sigma 18-50mm F2.8 DC DN C:
Lens Mounts
Both the Fujifilm XF 16-50mm F2.8-4.8 and the Sigma 18-50mm F2.8 DC DN C has the same Fujifilm X lens mount . Some of the latest released cameras that are compatible with the Fujifilm X lenses are Fujifilm X-T30 III , Fujifilm X-E5 and Fujifilm X-M5 .
Leica L and Sony E mounts.
Focal Range
Fujifilm XF 16-50mm F2.8-4.8 has a focal range of 16-50mm and
3.1X zoom ratio which has an effective (full-frame 35mm equivalent) focal range of
24-75mm 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.
