The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Tamron 17-70 F2.8 Di III-A VC and the Sony E 70-350mm F4.5-6.3 G 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 E 70-350mm F4.5-6.3 G is the longer of the two lenses at 142mm. The Tamron 17-70 F2.8 Di III-A VC with a length of 119mm, is 23mm shorter. Besides being longer, the Sony E 70-350mm F4.5-6.3 G also has a larger diameter of 77mm compared to the Tamron 17-70 F2.8 Di III-A VC's 75mm diameter.
Below you can find a scaled side-by-side image of Tamron 17-70 F2.8 Di III-A VC and Sony E 70-350mm F4.5-6.3 G to get a better idea of how their sizes compare in real life.
Comparison image of the Tamron 17-70 F2.8 Di III-A VC and the Sony E 70-350mm F4.5-6.3 G 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, which means it is 100g (16%) lighter than the Sony E 70-350mm F4.5-6.3 G which has a weight of 625g.
Filter Threads
Both the Tamron 17-70 F2.8 Di III-A VC and the Sony E 70-350mm F4.5-6.3 G 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 Tamron 17-70 F2.8 Di III-A VC and the Sony E 70-350mm F4.5-6.3 G has the same Sony E lens mount . Some of the latest released cameras that are compatible with the Sony E lenses are Sony ZV-E10 II , Sony A6700 and Sony FX30 .
Focal Range
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.
On the other hand, the Sony E 70-350mm F4.5-6.3 G has a focal range of 70-350mm and 5.0X zoom ratio which has an effective (full-frame 35mm equivalent) focal range of 105-525mm when used on a APS-C / DX format camera.
