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 E 70-350mm F4.5-6.3 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 100-400mm f5.6-8 is the longer of the two lenses at 165mm. The Sony E 70-350mm F4.5-6.3 G with a length of 142mm, is 23mm shorter. Besides being longer, the Sony FE 100-400mm f5.6-8 also has a larger diameter of 78mm compared to the Sony E 70-350mm F4.5-6.3 G's 77mm diameter.
Below you can find a scaled side-by-side image of Sony FE 100-400mm f5.6-8 and Sony E 70-350mm F4.5-6.3 G 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 E 70-350mm F4.5-6.3 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. Sony E 70-350mm F4.5-6.3 G weighs 625g, 4% (29g) lighter than the Sony FE 100-400mm f5.6-8's weight of 654g.
Below you can find the dimension and weight table of the Telephoto Zoom Lenses in Sony E Mount for size comparison purposes.
Super Telephoto Sony E Mount
Filter Threads
Both the Sony FE 100-400mm f5.6-8 and the Sony E 70-350mm F4.5-6.3 G 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 Sony FE 100-400mm f5.6-8 and the Sony E 70-350mm F4.5-6.3 G 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 E 70-350mm F4.5-6.3 G has a focal range of 70-350mm and 5.0X zoom ratio which has an effective (full-frame 35mm equivalent) focal range of 105-525mm when used on a APS-C / DX format camera.
