The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Sigma 16-28mm F2.8 L and the Sony FE PZ 16-35mm F4 G 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 16-28mm F2.8 L is the longer of the two lenses at 101mm. The Sony FE PZ 16-35mm F4 G with a length of 88mm, is 13mm shorter. On the other hand, the Sony FE PZ 16-35mm F4 G has a larger diameter of 81mm compared to the Sigma 16-28mm F2.8 L's 77mm diameter.
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Below you can find a scaled side-by-side image of Sigma 16-28mm F2.8 L and Sony FE PZ 16-35mm F4 G to get a better idea of how their sizes compare in real life.
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. Sony FE PZ 16-35mm F4 G weighs 353g, 21% (97g) lighter than the Sigma 16-28mm F2.8 L's weight of 450g.
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Filter Threads
Both the Sigma 16-28mm F2.8 L and the Sony FE PZ 16-35mm F4 G have the same Filter thread size of 72mm.
Below are links to the 72mm filters that we recommend you to consider for these lenses:
Lens Mounts
The Sigma 16-28mm F2.8 L has the Leica L lens mount whereas the Sony FE PZ 16-35mm F4 G has the Sony E lens mount. Some of the latest released cameras that are compatible with these mounts are Leica SL3, Panasonic S5 II and Panasonic S5 II X for the Leica L Mount and Sony A9 III, Sony A7C Mark II and Sony A7CR for the Sony E Mount.
Focal Range
Sigma 16-28mm F2.8 L has a focal range of 16-28mm and
1.8X zoom ratio . When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of
24 - 42mm.
On the other hand, the Sony FE PZ 16-35mm F4 G has a focal range of 16-35mm and 2.2X zoom ratio .