The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Sigma 8-16mm F4.5-5.6 DC HSM and the Fujifilm 18-55mm F2.8-4 R LM OIS 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 8-16mm F4.5-5.6 DC HSM is the longer of the two lenses at 106mm. The Fujifilm 18-55mm F2.8-4 R LM OIS with a length of 70mm, is 36mm shorter. Besides being longer, the Sigma 8-16mm F4.5-5.6 DC HSM also has a larger diameter of 75mm compared to the Fujifilm 18-55mm F2.8-4 R LM OIS's 65mm 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 18-55mm F2.8-4 R LM OIS weighs 310g, 44% (245g) lighter than the Sigma 8-16mm F4.5-5.6 DC HSM's weight of 555g.
Lens Mounts
The Sigma 8-16mm F4.5-5.6 DC HSM has the Sigma SA lens mount whereas the Fujifilm 18-55mm F2.8-4 R LM OIS has the Fujifilm X lens mount. Some of the latest released cameras that are compatible with these mounts are Sigma SD1 Merrill, Sigma SD1 and for the Sigma SA Mount and Fujifilm X-T30 III, Fujifilm X-E5 and Fujifilm X-M5 for the Fujifilm X Mount.
Sigma 8-16mm F4.5-5.6 DC HSM is also available in the Canon EF , Pentax KAF3, Sony Alpha and Nikon F (DX) mounts.
Focal Range
Sigma 8-16mm F4.5-5.6 DC HSM has a focal range of 8-16mm and
2.0X zoom ratio which has an effective (full-frame 35mm equivalent) focal range of
12-24mm when used on a APS-C / DX format camera.
On the other hand, the Fujifilm 18-55mm F2.8-4 R LM OIS has a focal range of 18-55mm and 3.1X zoom ratio which has an effective (full-frame 35mm equivalent) focal range of 27-82.5mm when used on a APS-C / DX format camera.
