The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Sony FE PZ 16-35mm F4 and the Sigma 19mm F2.8 EX DN 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. Sony FE PZ 16-35mm F4 is the longer of the two lenses at 88mm. The Sigma 19mm F2.8 EX DN with a length of 46mm, is 42mm shorter. Besides being longer, the Sony FE PZ 16-35mm F4 also has a larger diameter of 81mm compared to the Sigma 19mm F2.8 EX DN's 61mm 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 19mm F2.8 EX DN weighs 140g, 60% (213g) lighter than the Sony FE PZ 16-35mm F4's weight of 353g.
Filter Threads
The Sony FE PZ 16-35mm F4 has a filter size of 72mm whereas the Sigma 19mm F2.8 EX DN has a 46mm diameter. Larger filters are generally more expensive than the smaller ones given all the other features are equal.
Below are links to the 72mm filters that we recommend you to consider for the Sony FE PZ 16-35mm F4:
And these are the 46mm filters that we recommend for the Sigma 19mm F2.8 EX DN:
Lens Mounts
Both the Sony FE PZ 16-35mm F4 and the Sigma 19mm F2.8 EX DN has the same Sony E lens mount. Some of the latest released cameras that are compatible with the Sony E lenses are Sony FX5, Sony A7R VI and Sony A7 V.
Sigma 19mm F2.8 EX DN is also available in Micro Four Thirds mount.
Focal Range
Sony FE PZ 16-35mm F4 has a focal range of 16-35mm and
2.2X zoom ratio .
On the other hand, the Sigma 19mm F2.8 EX DN is a prime lens with fixed focal lenght of 19mm which has an effective (full-frame 35mm equivalent) focal range of 28.5mm when used on a APS-C / DX format camera.
