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 Tamron 35-150mm F2-2.8 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 Tamron 35-150mm F2-2.8 with a length of 158mm, is 25mm shorter. On the other hand, there is no difference between the max diameters of these lenses, both coming at 89mm.
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Below you can find a scaled side-by-side image of Tamron 50-400mm F4.5-6.3 VC and Tamron 35-150mm F2-2.8 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. Tamron 50-400mm F4.5-6.3 VC weighs 1155g, which means it is 10g (0%) lighter than the Tamron 35-150mm F2-2.8 which has a weight of 1165g.
Filter Threads
The Tamron 50-400mm F4.5-6.3 VC has a filter size of 67mm whereas the Tamron 35-150mm F2-2.8 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 67mm filters that we recommend you to consider for the Tamron 50-400mm F4.5-6.3 VC:
And these are the 82mm filters that we recommend for the Tamron 35-150mm F2-2.8:
Lens Mounts
Both the Tamron 50-400mm F4.5-6.3 VC and the Tamron 35-150mm F2-2.8 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.
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 Tamron 35-150mm F2-2.8 has a focal range of 35-150mm 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 52.5 - 225mm.