The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Sony FE 20-70mm F4 G and the Sony FE 24-50mm F2.8 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 20-70mm F4 G is the longer of the two lenses at 99mm. The Sony FE 24-50mm F2.8 G with a length of 92mm, is 7mm shorter. Besides being longer, the Sony FE 20-70mm F4 G also has a larger diameter of 79mm compared to the Sony FE 24-50mm F2.8 G's 75mm diameter.
Below you can find a scaled side-by-side image of Sony FE 20-70mm F4 G and Sony FE 24-50mm F2.8 G to get a better idea of how their sizes compare in real life.
Comparison image of the Sony FE 20-70mm F4 G and the Sony FE 24-50mm F2.8 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 FE 24-50mm F2.8 G weighs 440g, 9% (48g) lighter than the Sony FE 20-70mm F4 G's weight of 488g.
Below you can find the dimension and weight table of the Standard Zoom Lenses in Sony E Mount for size comparison purposes.
Standard Sony E Mount
Filter Threads
The Sony FE 20-70mm F4 G has a filter size of 72mm whereas the Sony FE 24-50mm F2.8 G has a 67mm diameter. Larger filters are generally more expensive than the smaller ones given all the other features are equal.
Below are links to the 72mm filters that we recommend you to consider for the Sony FE 20-70mm F4 G:
And these are the 67mm filters that we recommend for the Sony FE 24-50mm F2.8 G:
Lens Mounts
Both the Sony FE 20-70mm F4 G and the Sony FE 24-50mm F2.8 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 20-70mm F4 G has a focal range of 20-70mm and
3.5X zoom ratio . When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of
30 - 105mm .
On the other hand, the Sony FE 24-50mm F2.8 G has a focal range of 24-50mm and 2.1X zoom ratio . When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of 36 - 75mm .
