The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Laowa 100mm F2.8 TS and the Sigma 28-105mm f2.8 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. Laowa 100mm F2.8 TS is the longer of the two lenses at 162mm. The Sigma 28-105mm f2.8 with a length of 158mm, is 4mm shorter. On the other hand, the Sigma 28-105mm f2.8 has a larger diameter of 88mm compared to the Laowa 100mm F2.8 TS's 85mm 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. Sigma 28-105mm f2.8 weighs 995g, 18% (220g) lighter than the Laowa 100mm F2.8 TS's weight of 1215g.
Filter Threads
The Laowa 100mm F2.8 TS has a filter size of 77mm whereas the Sigma 28-105mm f2.8 has a 82mm diameter. Larger filters are generally more expensive than the smaller ones given all the other features are equal.
Below are links to the 77mm filters that we recommend you to consider for the Laowa 100mm F2.8 TS:
And these are the 82mm filters that we recommend for the Sigma 28-105mm f2.8:
Lens Mounts
The Laowa 100mm F2.8 TS has the Fujifilm G lens mount whereas the Sigma 28-105mm f2.8 has the Leica L lens mount. Some of the latest released cameras that are compatible with these mounts are , and for the Fujifilm G Mount and Leica SL3-P, Panasonic S1 II and Panasonic S1 IIE for the Leica L Mount.
Laowa 100mm F2.8 TS is also available in the Sony E , Canon RF, Nikon Z and Leica L mounts.
Sigma 28-105mm f2.8 is also available in Sony E mount.
Focal Range
Laowa 100mm F2.8 TS is a prime lens with fixed focal lenght of 100mm which has an effective (full-frame 35mm equivalent) focal range of
150mm when used on a 35mm FF format camera.
On the other hand, the Sigma 28-105mm f2.8 has a focal range of 28-105mm and 3.8X zoom ratio . When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of 42 - 157.5mm.
