The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Tamron 17-50mm f2.8 XR II LD and the Sony DT 16-80mm F3.5-4.5 ZA 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. Sony DT 16-80mm F3.5-4.5 ZA is the longer of the two lenses at 83mm. The Tamron 17-50mm f2.8 XR II LD with a length of 82mm, is 1mm shorter. On the other hand, the Tamron 17-50mm f2.8 XR II LD has a larger diameter of 74mm compared to the Sony DT 16-80mm F3.5-4.5 ZA's 72mm 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 17-50mm f2.8 XR II LD weighs 430g, which means it is 15g (3%) lighter than the Sony DT 16-80mm F3.5-4.5 ZA which has a weight of 445g.
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 17-50mm f2.8 XR II LD has a filter size of 67mm whereas the Sony DT 16-80mm F3.5-4.5 ZA has a 62mm 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 17-50mm f2.8 XR II LD:
And these are the 62mm filters that we recommend for the Sony DT 16-80mm F3.5-4.5 ZA:
Lens Mounts
Both the Tamron 17-50mm f2.8 XR II LD and the Sony DT 16-80mm F3.5-4.5 ZA has the same Sony Alpha lens mount. Some of the latest released cameras that are compatible with the Sony Alpha lenses are Sony A68, Sony A77 II and Sony A58.
Tamron 17-50mm f2.8 XR II LD is also available in the Canon EF , Nikon F (DX) and Pentax KAF mounts.
Focal Range
Tamron 17-50mm f2.8 XR II LD has a focal range of 17-50mm and
2.9X zoom ratio which has an effective (full-frame 35mm equivalent) focal range of
25.5-75mm when used on a APS-C / DX format camera.
On the other hand, the Sony DT 16-80mm F3.5-4.5 ZA has a focal range of 16-80mm and 5.0X zoom ratio which has an effective (full-frame 35mm equivalent) focal range of 24-120mm when used on a APS-C / DX format camera.
