Size and Weight Comparison The size of a lens is a crucial factor to consider when comparing two lenses. Sony FE 16mm F1.8 is the longer of the two lenses at 75mm. The Sigma 17mm F4 DG DN C with a length of 49mm, is 26mm shorter. Besides being longer, the Sony FE 16mm F1.8 also has a larger diameter of 74mm 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 16mm F1.8 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 16mm F1.8 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 225g, 25% (79g) lighter than the Sony FE 16mm F1.8's weight of 304g.
Filter Threads
The Sony FE 16mm F1.8 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 16mm F1.8:
And these are the 55mm filters that we recommend for the Sigma 17mm F4 DG DN C:
Lens Mounts
The Sony FE 16mm F1.8 has the Sony E lens mount whereas the Sigma 17mm F4 DG DN C has the Leica L lens mount . Some of the latest released cameras that are compatible with these mounts are Sony FX5 , Sony A7R VI and Sony A7 V for the Sony E Mount and Leica SL3-P , Panasonic S1 II and Panasonic S1 IIE for the Leica L Mount.
Sony E mount.
Focal Range
Sony FE 16mm F1.8 is a prime lens with fixed focal lenght of 16mm. When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of
24mm .
On the other hand, the Sigma 17mm F4 DG DN C is a prime lens with fixed focal lenght of 17mm.
