The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Tamron 50-400mm F4.5-6.3 VC and the Sony FE 70-300mm F4.5-5.6 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 50-400mm F4.5-6.3 VC is the longer of the two lenses at 183mm. The Sony FE 70-300mm F4.5-5.6 with a length of 144mm, is 39mm shorter. Besides being longer, the Tamron 50-400mm F4.5-6.3 VC also has a larger diameter of 89mm compared to the Sony FE 70-300mm F4.5-5.6's 84mm diameter.
Below you can find a scaled side-by-side image of Tamron 50-400mm F4.5-6.3 VC and Sony FE 70-300mm F4.5-5.6 to get a better idea of how their sizes compare in real life.
Comparison image of the Tamron 50-400mm F4.5-6.3 VC and the Sony FE 70-300mm F4.5-5.6 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. Sony FE 70-300mm F4.5-5.6 weighs 854g, 26% (301g) lighter than the Tamron 50-400mm F4.5-6.3 VC's weight of 1155g.
Filter Threads
The Tamron 50-400mm F4.5-6.3 VC has a filter size of 67mm whereas the Sony FE 70-300mm F4.5-5.6 has a 72mm 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 50-400mm F4.5-6.3 VC:
And these are the 72mm filters that we recommend for the Sony FE 70-300mm F4.5-5.6:
Lens Mounts
Both the Tamron 50-400mm F4.5-6.3 VC and the Sony FE 70-300mm F4.5-5.6 has the same Sony E lens mount . Some of the latest released cameras that are compatible with the Sony E lenses are Sony FX5 , Sony A7R VI and Sony A7 V .
Focal Range
Tamron 50-400mm F4.5-6.3 VC has a focal range of 50-400mm and
8.0X zoom ratio . When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of
75 - 600mm .
On the other hand, the Sony FE 70-300mm F4.5-5.6 has a focal range of 70-300mm and 4.3X zoom ratio . When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of 105 - 450mm .
