The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Sigma 16-28mm F2.8 E and the Tamron 17-28mm F2.8 Di III 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 16-28mm F2.8 E is the longer of the two lenses at 101mm. The Tamron 17-28mm F2.8 Di III with a length of 99mm, is 2mm shorter. Besides being longer, the Sigma 16-28mm F2.8 E also has a larger diameter of 77mm compared to the Tamron 17-28mm F2.8 Di III's 73mm diameter.
Below you can find a scaled side-by-side image of Sigma 16-28mm F2.8 E and Tamron 17-28mm F2.8 Di III to get a better idea of how their sizes compare in real life.
Comparison image of the Sigma 16-28mm F2.8 E and the Tamron 17-28mm F2.8 Di III 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. Tamron 17-28mm F2.8 Di III weighs 420g, 6% (30g) lighter than the Sigma 16-28mm F2.8 E's weight of 450g.
Below you can find the dimension and weight table of the Wideangle Zoom Lenses in Sony E Mount for size comparison purposes.
Ultra-Wideangle Sony E Mount
Filter Threads
The Sigma 16-28mm F2.8 E has a filter size of 72mm whereas the Tamron 17-28mm F2.8 Di III has a 67mm 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 Sigma 16-28mm F2.8 E:
And these are the 67mm filters that we recommend for the Tamron 17-28mm F2.8 Di III:
Lens Mounts
Both the Sigma 16-28mm F2.8 E and the Tamron 17-28mm F2.8 Di III 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 .
Focal Range
Sigma 16-28mm F2.8 E has a focal range of 16-28mm and
1.8X zoom ratio . When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of
24 - 42mm .
On the other hand, the Tamron 17-28mm F2.8 Di III has a focal range of 17-28mm and 1.7X zoom ratio . When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of 25.5 - 42mm .
