The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Sony FE 70-200mm F2.8 GM II and the Tamron 150-500mm F5-6.7 VC VXD 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 150-500mm F5-6.7 VC VXD is the longer of the two lenses at 210mm. The Sony FE 70-200mm F2.8 GM II with a length of 200mm, is 10mm shorter. Besides being longer, the Tamron 150-500mm F5-6.7 VC VXD also has a larger diameter of 93mm compared to the Sony FE 70-200mm F2.8 GM II's 88mm diameter.
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Below you can find a scaled side-by-side image of Sony FE 70-200mm F2.8 GM II and Tamron 150-500mm F5-6.7 VC VXD to get a better idea of how their sizes compare in real life.
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. Sony FE 70-200mm F2.8 GM II weighs 1045g, which means it is 679g (39%) lighter than the Tamron 150-500mm F5-6.7 VC VXD which has a weight of 1724g.
Filter Threads
The Sony FE 70-200mm F2.8 GM II has a filter size of 77mm whereas the Tamron 150-500mm F5-6.7 VC VXD has a 82mm diameter. Larger filters are generally more expensive than the smaller ones given all the other features are equal.
Below are links to the 77mm filters that we recommend you to consider for the Sony FE 70-200mm F2.8 GM II:
And these are the 82mm filters that we recommend for the Tamron 150-500mm F5-6.7 VC VXD:
Lens Mounts
Both the Sony FE 70-200mm F2.8 GM II and the Tamron 150-500mm F5-6.7 VC VXD has the same Sony E lens mount. Some of the latest released cameras that are compatible with the Sony E lenses are Sony A9 III, Sony A7C Mark II and Sony A7CR.
Tamron 150-500mm F5-6.7 VC VXD is also available in Fujifilm X and Nikon Z mounts.
Focal Range
Sony FE 70-200mm F2.8 GM II has a focal range of 70-200mm and
2.9X zoom ratio . When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of
105 - 300mm.
On the other hand, the Tamron 150-500mm F5-6.7 VC VXD has a focal range of 150-500mm and 3.3X zoom ratio . When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of 225 - 750mm.