The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Sony FE 16-35mm F2.8 GM II and the Venus 9mm F2.8 Zero-D 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 16-35mm F2.8 GM II is the longer of the two lenses at 112mm. The Venus 9mm F2.8 Zero-D with a length of 53mm, is 59mm shorter. Besides being longer, the Sony FE 16-35mm F2.8 GM II also has a larger diameter of 88mm compared to the Venus 9mm F2.8 Zero-D's 60mm diameter.
Below you can find a scaled side-by-side image of Sony FE 16-35mm F2.8 GM II and Venus 9mm F2.8 Zero-D to get a better idea of how their sizes compare in real life.
Comparison image of the Sony FE 16-35mm F2.8 GM II and the Venus 9mm F2.8 Zero-D Size and Weight 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. Venus 9mm F2.8 Zero-D weighs 215g, 60% (332g) lighter than the Sony FE 16-35mm F2.8 GM II's weight of 547g.
Filter Threads
The Sony FE 16-35mm F2.8 GM II has a filter size of 82mm whereas the Venus 9mm F2.8 Zero-D has a 49mm diameter. Larger filters are generally more expensive than the smaller ones given all the other features are equal.
Below are links to the 82mm filters that we recommend you to consider for the Sony FE 16-35mm F2.8 GM II:
And these are the 49mm filters that we recommend for the Venus 9mm F2.8 Zero-D:
Lens Mounts
Both the Sony FE 16-35mm F2.8 GM II and the Venus 9mm F2.8 Zero-D 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 .
Venus 9mm F2.8 Zero-D is also available in Canon EF-M and Fujifilm X mounts.
Focal Range
Sony FE 16-35mm F2.8 GM II has a focal range of 16-35mm and
2.2X zoom ratio . When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of
24 - 52.5mm .
On the other hand, the Venus 9mm F2.8 Zero-D is a prime lens with fixed focal lenght of 9mm which has an effective (full-frame 35mm equivalent) focal range of 13.5mm when used on a APS-C / DX format camera.