The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Tamron 28-75mm F2.8 Di III and the Sony E 16-70mm F4 ZA OSS 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. Tamron 28-75mm F2.8 Di III is the longer of the two lenses at 118mm. The Sony E 16-70mm F4 ZA OSS with a length of 75mm, is 43mm shorter. Besides being longer, the Tamron 28-75mm F2.8 Di III also has a larger diameter of 76mm compared to the Sony E 16-70mm F4 ZA OSS's 67mm diameter.
Below you can find a scaled side-by-side image of Tamron 28-75mm F2.8 Di III and Sony E 16-70mm F4 ZA OSS to get a better idea of how their sizes compare in real life.
Comparison image of the Tamron 28-75mm F2.8 Di III and the Sony E 16-70mm F4 ZA OSS 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 16-70mm F4 ZA OSS weighs 308g, 42% (232g) lighter than the Tamron 28-75mm F2.8 Di III's weight of 540g.
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 Tamron 28-75mm F2.8 Di III has a filter size of 67mm whereas the Sony E 16-70mm F4 ZA OSS 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 Tamron 28-75mm F2.8 Di III:
And these are the 55mm filters that we recommend for the Sony E 16-70mm F4 ZA OSS:
Lens Mounts
Both the Tamron 28-75mm F2.8 Di III and the Sony E 16-70mm F4 ZA OSS 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 .
Sony E and Nikon Z mounts.
Focal Range
Tamron 28-75mm F2.8 Di III has a focal range of 28-75mm and
2.7X zoom ratio . When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of
42 - 112.5mm .
On the other hand, the Sony E 16-70mm F4 ZA OSS has a focal range of 16-70mm and 4.4X zoom ratio which has an effective (full-frame 35mm equivalent) focal range of 24-105mm when used on a APS-C / DX format camera.
