The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Sony FE 100-400mm f5.6-8 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. Sony FE 100-400mm f5.6-8 is the longer of the two lenses at 165mm. The Sony FE 70-300mm F4.5-5.6 with a length of 144mm, is 21mm shorter. On the other hand, the Sony FE 70-300mm F4.5-5.6 has a larger diameter of 84mm compared to the Sony FE 100-400mm f5.6-8's 78mm diameter.
Below you can find a scaled side-by-side image of Sony FE 100-400mm f5.6-8 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 Sony FE 100-400mm f5.6-8 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 100-400mm f5.6-8 weighs 654g, which means it is 200g (23%) lighter than the Sony FE 70-300mm F4.5-5.6 which has a weight of 854g.
Filter Threads
The Sony FE 100-400mm f5.6-8 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 Sony FE 100-400mm f5.6-8:
And these are the 72mm filters that we recommend for the Sony FE 70-300mm F4.5-5.6:
Lens Mounts
Both the Sony FE 100-400mm f5.6-8 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
Sony FE 100-400mm f5.6-8 has a focal range of 100-400mm and
4.0X zoom ratio . When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of
150 - 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 .
