The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Tamron 35-100mm F2.8 and the Sony FE 100mm F2.8 STF GM 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 35-100mm F2.8 is the longer of the two lenses at 119mm. The Sony FE 100mm F2.8 STF GM with a length of 118mm, is 1mm shorter. On the other hand, the Sony FE 100mm F2.8 STF GM has a larger diameter of 85mm compared to the Tamron 35-100mm F2.8's 81mm diameter.
Below you can find a scaled side-by-side image of Tamron 35-100mm F2.8 and Sony FE 100mm F2.8 STF GM to get a better idea of how their sizes compare in real life.
Comparison image of the Tamron 35-100mm F2.8 and the Sony FE 100mm F2.8 STF GM 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 35-100mm F2.8 weighs 565g, which means it is 135g (19%) lighter than the Sony FE 100mm F2.8 STF GM which has a weight of 700g.
Filter Threads
The Tamron 35-100mm F2.8 has a filter size of 67mm whereas the Sony FE 100mm F2.8 STF GM 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 35-100mm F2.8:
And these are the 72mm filters that we recommend for the Sony FE 100mm F2.8 STF GM:
Lens Mounts
Both the Tamron 35-100mm F2.8 and the Sony FE 100mm F2.8 STF GM 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 35-100mm F2.8 has a focal range of 35-100mm 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
52.5 - 150mm .
On the other hand, the Sony FE 100mm F2.8 STF GM is a prime lens with fixed focal lenght of 100mm. When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of 150mm .
