The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Sony E 70-350mm F4.5-6.3 G and the Sony 70-300mm F4.5-5.6 G SSM II 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 E 70-350mm F4.5-6.3 G is the longer of the two lenses at 142mm. The Sony 70-300mm F4.5-5.6 G SSM II with a length of 136mm, is 6mm shorter. On the other hand, the Sony 70-300mm F4.5-5.6 G SSM II has a larger diameter of 83mm 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 E 70-350mm F4.5-6.3 G and Sony 70-300mm F4.5-5.6 G SSM II to get a better idea of how their sizes compare in real life.
Comparison image of the Sony E 70-350mm F4.5-6.3 G and the Sony 70-300mm F4.5-5.6 G SSM II 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, which means it is 125g (16%) lighter than the Sony 70-300mm F4.5-5.6 G SSM II which has a weight of 750g.
Filter Threads
The Sony E 70-350mm F4.5-6.3 G has a filter size of 67mm whereas the Sony 70-300mm F4.5-5.6 G SSM II has a 62mm 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 E 70-350mm F4.5-6.3 G:
And these are the 62mm filters that we recommend for the Sony 70-300mm F4.5-5.6 G SSM II:
Lens Mounts
The Sony E 70-350mm F4.5-6.3 G has the Sony E lens mount whereas the Sony 70-300mm F4.5-5.6 G SSM II has the Sony Alpha lens mount . Some of the latest released cameras that are compatible with these mounts are Sony ZV-E10 II , Sony A6700 and Sony FX30 for the Sony E Mount and Sony A99 II , Sony A68 and Sony A77 II for the Sony Alpha Mount.
Focal Range
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.
On the other hand, the Sony 70-300mm F4.5-5.6 G SSM II 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 .