The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Sigma 17-40mm f1.8 and the Fujifilm 16-55mm F2.8 II 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 17-40mm f1.8 is the longer of the two lenses at 116mm. The Fujifilm 16-55mm F2.8 II with a length of 95mm, is 21mm shorter. On the other hand, the Fujifilm 16-55mm F2.8 II has a larger diameter of 78mm compared to the Sigma 17-40mm f1.8's 73mm 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. Fujifilm 16-55mm F2.8 II weighs 410g, 23% (125g) lighter than the Sigma 17-40mm f1.8's weight of 535g.
Below you can find the dimension and weight table of the Standard Zoom Lenses in Fujifilm X Mount for size comparison purposes.
Standard Lenses in Fujifilm X Mount for Size Comparison
Filter Threads
The Sigma 17-40mm f1.8 has a filter size of 67mm whereas the Fujifilm 16-55mm F2.8 II has a 72mm diameter. Larger filters are generally more expensive than the smaller ones given all the other features are equal.
Below are links to the 67mm filters that we recommend you to consider for the Sigma 17-40mm f1.8:
And these are the 72mm filters that we recommend for the Fujifilm 16-55mm F2.8 II:
Lens Mounts
Both the Sigma 17-40mm f1.8 and the Fujifilm 16-55mm F2.8 II 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.
Sigma 17-40mm f1.8 is also available in the Sony E , Leica L and Canon RF mounts.
Focal Range
Sigma 17-40mm f1.8 has a focal range of 17-40mm and
2.4X zoom ratio which has an effective (full-frame 35mm equivalent) focal range of
25.5-60mm when used on a APS-C / DX format camera.
On the other hand, the Fujifilm 16-55mm F2.8 II has a focal range of 16-55mm and 3.4X zoom ratio which has an effective (full-frame 35mm equivalent) focal range of 24-82.5mm when used on a APS-C / DX format camera.
