The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Tamron 24-70mm f2.8 VC USD and the Sony 24-70mm F2.8 ZA SSM 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. Tamron 24-70mm f2.8 VC USD is the longer of the two lenses at 117mm. The Sony 24-70mm F2.8 ZA SSM II with a length of 111mm, is 6mm shorter. Besides being longer, the Tamron 24-70mm f2.8 VC USD also has a larger diameter of 88mm compared to the Sony 24-70mm F2.8 ZA SSM II's 83mm diameter.
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 24-70mm f2.8 VC USD weighs 825g, which means it is 149g (15%) lighter than the Sony 24-70mm F2.8 ZA SSM II which has a weight of 974g.
Below you can find the dimension and weight table of the Standard Zoom Lenses in Sony Alpha Mount for size comparison purposes.
Standard Lenses in Sony Alpha Mount for Size Comparison
Filter Threads
The Tamron 24-70mm f2.8 VC USD has a filter size of 82mm whereas the Sony 24-70mm F2.8 ZA SSM II has a 77mm diameter. Larger filters are generally more expensive than the smaller ones given all the other features are equal.
Below are links to the 82mm filters that we recommend you to consider for the Tamron 24-70mm f2.8 VC USD:
And these are the 77mm filters that we recommend for the Sony 24-70mm F2.8 ZA SSM II:
Lens Mounts
Both the Tamron 24-70mm f2.8 VC USD and the Sony 24-70mm F2.8 ZA SSM II has the same Sony Alpha lens mount. Some of the latest released cameras that are compatible with the Sony Alpha lenses are Sony A99 II, Sony A68 and Sony A77 II.
Tamron 24-70mm f2.8 VC USD is also available in Canon EF and Nikon F (FX) mounts.
Focal Range
Both lenses have the same focal range of
24-70mm and the fastest aperture of
F2.8.