The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Sony FE 24-105mm F4 G OSS and the Sony FE 28-70mm F3.5-5.6 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 24-105mm F4 G OSS is the longer of the two lenses at 113mm. The Sony FE 28-70mm F3.5-5.6 OSS with a length of 83mm is 30mm shorter. Besides being longer, the Sony FE 24-105mm F4 G OSS also has a larger diameter of 83mm compared to Sony FE 28-70mm F3.5-5.6 OSS's 73mm diameter.
Below you can find the scaled side by side image of Sony FE 24-105mm F4 G OSS and Sony FE 28-70mm F3.5-5.6 OSS to get a better idea of how their size compare in real life.
Comparison image of Sony FE 24-105mm F4 G OSS and Sony FE 28-70mm F3.5-5.6 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, 55% (368g) lighter than the Sony FE 24-105mm F4 G OSS's weight of 663g.
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 24-105mm F4 G OSS and Sony FE 28-70mm F3.5-5.6 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 24-105mm F4 G OSS has a focal range of 24-105mm and 4.4X zoom ratio . When it is mounted on an APS-C sensor camera with 1.5x crop, it provides an 35mm (FF) equivalent of 36 - 157.5mm.
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.