The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Sigma 17-40mm f1.8 and the Sony E 16-50mm F3.5-5.6 PZ OSS II 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 17-40mm f1.8 is the longer of the two lenses at 116mm. The Sony E 16-50mm F3.5-5.6 PZ OSS II with a length of 30mm, is 86mm shorter. Besides being longer, the Sigma 17-40mm f1.8 also has a larger diameter of 73mm compared to the Sony E 16-50mm F3.5-5.6 PZ OSS II's 65mm diameter.
Below you can find a scaled side-by-side image of Sigma 17-40mm f1.8 and Sony E 16-50mm F3.5-5.6 PZ OSS II to get a better idea of how their sizes compare in real life.
Comparison image of the Sigma 17-40mm f1.8 and the Sony E 16-50mm F3.5-5.6 PZ OSS II 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. Sony E 16-50mm F3.5-5.6 PZ OSS II weighs 107g, 80% (428g) lighter than the Sigma 17-40mm f1.8's weight of 535g.
Below you can find the dimension and weight table of the Standard Zoom Lenses in Sony E Mount for size comparison purposes.
Standard Sony E Mount
Filter Threads
The Sigma 17-40mm f1.8 has a filter size of 67mm whereas the Sony E 16-50mm F3.5-5.6 PZ OSS II has a 41mm 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 Sigma 17-40mm f1.8:
And these are the 41mm filters that we recommend for the Sony E 16-50mm F3.5-5.6 PZ OSS II:
Lens Mounts
Both the Sigma 17-40mm f1.8 and the Sony E 16-50mm F3.5-5.6 PZ OSS II has the same Sony E lens mount . Some of the latest released cameras that are compatible with the Sony E lenses are Sony ZV-E10 II , Sony A6700 and Sony FX30 .
Leica L , Fujifilm X and Canon RF mounts.
Focal Range
Sigma 17-40mm f1.8 has a focal range of 17-40mm and
2.4X zoom ratio which has an effective (full-frame 35mm equivalent) focal range of
25.5-60mm when used on a APS-C / DX format camera.
On the other hand, the Sony E 16-50mm F3.5-5.6 PZ OSS II has a focal range of 16-50mm and 3.1X zoom ratio which has an effective (full-frame 35mm equivalent) focal range of 24-75mm when used on a APS-C / DX format camera.
