The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Sigma 16-300mm f3.5-6.7 C and the Tamron 17-70 F2.8 Di III-A VC 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 16-300mm f3.5-6.7 C is the longer of the two lenses at 124mm. The Tamron 17-70 F2.8 Di III-A VC with a length of 119mm, is 5mm shorter. On the other hand, the Tamron 17-70 F2.8 Di III-A VC has a larger diameter of 75mm compared to the Sigma 16-300mm f3.5-6.7 C's 74mm diameter.
Below you can find a scaled side-by-side image of Sigma 16-300mm f3.5-6.7 C and Tamron 17-70 F2.8 Di III-A VC to get a better idea of how their sizes compare in real life.
Comparison image of the Sigma 16-300mm f3.5-6.7 C and the Tamron 17-70 F2.8 Di III-A VC 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 17-70 F2.8 Di III-A VC weighs 525g, 14% (90g) lighter than the Sigma 16-300mm f3.5-6.7 C's weight of 615g.
Filter Threads
Both the Sigma 16-300mm f3.5-6.7 C and the Tamron 17-70 F2.8 Di III-A VC have the same Filter thread size of 67mm .
Below are links to the 67mm filters that we recommend you to consider for these lenses:
Lens Mounts
Both the Sigma 16-300mm f3.5-6.7 C and the Tamron 17-70 F2.8 Di III-A VC has the same Fujifilm X lens mount . Some of the latest released cameras that are compatible with the Fujifilm X lenses are
Sony E , Leica L and Canon RF mounts.
Sony E mount.
Focal Range
Sigma 16-300mm f3.5-6.7 C has a focal range of 16-300mm and
18.8X zoom ratio which has an effective (full-frame 35mm equivalent) focal range of
25.6-480mm when used on a APS-C / DX format camera.
On the other hand, the Tamron 17-70 F2.8 Di III-A VC has a focal range of 17-70mm and 4.1X zoom ratio which has an effective (full-frame 35mm equivalent) focal range of 25.5-105mm when used on a APS-C / DX format camera.
