The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Sony E 70-350mm F4.5-6.3 G and the Tamron 28-300mm f3.5-6.3 VC PZD 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 28-300mm f3.5-6.3 VC PZD with a length of 96mm, is 46mm 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 28-300mm f3.5-6.3 VC PZD's 74mm 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 28-300mm f3.5-6.3 VC PZD weighs 540g, 13% (85g) lighter than the Sony E 70-350mm F4.5-6.3 G's weight of 625g.
Filter Threads
Both the Sony E 70-350mm F4.5-6.3 G and the Tamron 28-300mm f3.5-6.3 VC PZD 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
The Sony E 70-350mm F4.5-6.3 G has the Sony E lens mount whereas the Tamron 28-300mm f3.5-6.3 VC PZD has the Canon EF lens mount. Some of the latest released cameras that are compatible with these mounts are Sony ZV-E10 II, Sony A6700 and Sony FX30 for the Sony E Mount and Blackmagic URSA 12K LF, Z CAM E2-F6 II 6K and Z CAM E2-S6 II 6K for the Canon EF Mount.
Tamron 28-300mm f3.5-6.3 VC PZD is also available in Nikon F (FX) and Sony Alpha mounts.
Focal Range
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.
On the other hand, the Tamron 28-300mm f3.5-6.3 VC PZD has a focal range of 28-300mm and 10.7X zoom ratio . When it is mounted on an APS-C sensor camera with 1.6x crop, it provides a 35mm (FF) equivalent of 44.8 - 480mm.
