The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Tamron 18-300mm F3.5-6.3 Di and the Sony FE 70-200mm F4 G 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. Sony FE 70-200mm F4 G is the longer of the two lenses at 175mm. The Tamron 18-300mm F3.5-6.3 Di with a length of 126mm, is 49mm shorter. Besides being longer, the Sony FE 70-200mm F4 G also has a larger diameter of 80mm compared to the Tamron 18-300mm F3.5-6.3 Di's 76mm diameter.
Below you can find a scaled side-by-side image of Tamron 18-300mm F3.5-6.3 Di and Sony FE 70-200mm F4 G to get a better idea of how their sizes compare in real life.
Comparison image of the Tamron 18-300mm F3.5-6.3 Di and the Sony FE 70-200mm F4 G 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 18-300mm F3.5-6.3 Di weighs 620g, which means it is 220g (26%) lighter than the Sony FE 70-200mm F4 G which has a weight of 840g.
Filter Threads
The Tamron 18-300mm F3.5-6.3 Di has a filter size of 67mm whereas the Sony FE 70-200mm F4 G 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 18-300mm F3.5-6.3 Di:
And these are the 72mm filters that we recommend for the Sony FE 70-200mm F4 G:
Lens Mounts
Both the Tamron 18-300mm F3.5-6.3 Di and the Sony FE 70-200mm F4 G has the same Sony E lens mount . Some of the latest released cameras that are compatible with the Sony E lenses are Sony ZV-E10 II , Sony A6700 and Sony FX30 .
Tamron 18-300mm F3.5-6.3 Di is also available in the Fujifilm X mount.
Focal Range
Tamron 18-300mm F3.5-6.3 Di has a focal range of 18-300mm and
16.7X zoom ratio which has an effective (full-frame 35mm equivalent) focal range of
27-450mm when used on a APS-C / DX format camera.
On the other hand, the Sony FE 70-200mm F4 G 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 .