The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Tamron 25-200mm f2.8-5.6 Di and the Sigma 16-300mm f3.5-6.7 C 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. Sigma 16-300mm f3.5-6.7 C is the longer of the two lenses at 123mm. The Tamron 25-200mm f2.8-5.6 Di with a length of 122mm, is 1mm shorter. On the other hand, the Tamron 25-200mm f2.8-5.6 Di has a larger diameter of 76mm compared to the Sigma 16-300mm f3.5-6.7 C's 73mm diameter.
Below you can find a scaled side-by-side image of Tamron 25-200mm f2.8-5.6 Di and Sigma 16-300mm f3.5-6.7 C to get a better idea of how their sizes compare in real life.
Comparison image of the Tamron 25-200mm f2.8-5.6 Di and the Sigma 16-300mm f3.5-6.7 C 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 25-200mm f2.8-5.6 Di weighs 575g, which means it is 40g (6%) lighter than the Sigma 16-300mm f3.5-6.7 C which has a weight of 615g.
Filter Threads
Both the Tamron 25-200mm f2.8-5.6 Di and the Sigma 16-300mm f3.5-6.7 C 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
Both the Tamron 25-200mm f2.8-5.6 Di and the Sigma 16-300mm f3.5-6.7 C 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 .
Leica L , Canon RF and Fujifilm X mounts.
Focal Range
Tamron 25-200mm f2.8-5.6 Di has a focal range of 25-200mm 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
37.5 - 300mm .
On the other hand, the Sigma 16-300mm f3.5-6.7 C has a focal range of 16-300mm and 18.8X zoom ratio which has an effective (full-frame 35mm equivalent) focal range of 24-450mm when used on a APS-C / DX format camera.
