The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Sony FE 28-70mm F3.5-5.6 OSS and the Sony FE 24-70mm F4 OSS for their suitability to various photography scenarios:
Size and Weight Comparison
Size of a lens is an important deciding factor when comparing two lenses.Sony FE 24-70mm F4 OSS is the longer of the two lenses at 95mm. The Sony FE 28-70mm F3.5-5.6 OSS with a length of 83mm is 12mm shorter. On the other hand, there is no difference between the max diameters of these lenses, both coming at 73mm.
Below you can find the scaled side by side image of Sony FE 28-70mm F3.5-5.6 OSS and Sony FE 24-70mm F4 OSS to get a better idea of how their size compare in real life.
Comparison image of Sony FE 28-70mm F3.5-5.6 OSS and Sony FE 24-70mm F4 OSS Size and Weight Weight of a lens is as important as its external dimensions, especially if you are planning to hand hold your camera and lens combination for longer periods. Sony FE 28-70mm F3.5-5.6 OSS weighs 295g, which means it is 131g (30%) lighter than the Sony FE 24-70mm F4 OSS which has a weight of 426g.
Below you can find the dimension and weight table of the 'Standard Zoom Lenses in Sony E Mount for size comparison purposes.
Standard Zoom Lenses in Sony E Mount for Size Comparison
Lens Mounts
Both Sony FE 28-70mm F3.5-5.6 OSS and Sony FE 24-70mm F4 OSS has the same Sony E lens mount. Some of the latest released cameras that are compatible with the Sony E lenses are Sony A7R V, Sony FX30 and Sony A7 IV.
Focal Range
Sony FE 28-70mm F3.5-5.6 OSS has a focal range of 28-70mm and 2.5X zoom ratio . When it is mounted on an APS-C sensor camera with 1.5x crop, it provides an 35mm (FF) equivalent of 42 - 105mm.
Sony FE 24-70mm F4 OSS has a focal range of 24-70mm and 2.9X zoom ratio . When it is mounted on an APS-C sensor camera with 1.5x crop, it provides an 35mm (FF) equivalent of 36 - 105mm.