Size and Weight Comparison The size of a lens is a crucial factor to consider when comparing two lenses. Sony FE 16-25mm F2.8 is the longer of the two lenses at 91mm. The Sigma 17mm F4 DG DN C with a length of 51mm, is 40mm shorter. Besides being longer, the Sony FE 16-25mm F2.8 also has a larger diameter of 75mm compared to the Sigma 17mm F4 DG DN C's 64mm diameter.
Below you can find a scaled side-by-side image of Sony FE 16-25mm F2.8 and Sigma 17mm F4 DG DN C to get a better idea of how their sizes compare in real life.
Comparison image of the Sony FE 16-25mm F2.8 and the Sigma 17mm F4 DG DN C 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. Sigma 17mm F4 DG DN C weighs 220g, 46% (189g) lighter than the Sony FE 16-25mm F2.8's weight of 409g.
Filter Threads
The Sony FE 16-25mm F2.8 has a filter size of 67mm whereas the Sigma 17mm F4 DG DN C has a 55mm diameter. Larger filters are generally more expensive than the smaller ones given all the other features are equal.
Below are links to the 67mm filters that we recommend you to consider for the Sony FE 16-25mm F2.8:
And these are the 55mm filters that we recommend for the Sigma 17mm F4 DG DN C:
Lens Mounts
Both the Sony FE 16-25mm F2.8 and the Sigma 17mm F4 DG DN C 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 .
Leica L mount.
Focal Range
Sony FE 16-25mm F2.8 has a focal range of 16-25mm and
1.6X zoom ratio . When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of
24 - 37.5mm .
On the other hand, the Sigma 17mm F4 DG DN C is a prime lens with fixed focal lenght of 17mm. When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of 25.5mm .
