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 Olympus 12-100mm F4.0 IS Pro 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. Olympus 12-100mm F4.0 IS Pro is the longer of the two lenses at 117mm. The Sony FE 24-105mm F4 G OSS with a length of 113mm, is 4mm shorter. On the other hand, the Sony FE 24-105mm F4 G OSS has a larger diameter of 83mm compared to the Olympus 12-100mm F4.0 IS Pro's 78mm diameter.
tt
Below you can find a scaled side-by-side image of Sony FE 24-105mm F4 G OSS and Olympus 12-100mm F4.0 IS Pro to get a better idea of how their sizes compare in real life.
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. Olympus 12-100mm F4.0 IS Pro weighs 561g, 15% (102g) lighter than the Sony FE 24-105mm F4 G OSS's weight of 663g.
Filter Threads
The Sony FE 24-105mm F4 G OSS has a filter size of 77mm whereas the Olympus 12-100mm F4.0 IS Pro has a 72mm diameter. Larger filters are generally more expensive than the smaller ones given all the other features are equal.
Below are links to the 77mm filters that we recommend you to consider for the Sony FE 24-105mm F4 G OSS:
And these are the 72mm filters that we recommend for the Olympus 12-100mm F4.0 IS Pro:
Lens Mounts
The Sony FE 24-105mm F4 G OSS has the Sony E lens mount whereas the Olympus 12-100mm F4.0 IS Pro has the Micro Four Thirds lens mount. Some of the latest released cameras that are compatible with these mounts are Sony A9 III, Sony A7C Mark II and Sony A7CR for the Sony E Mount and OM System OM-1 II, Panasonic G9 II and OM System OM-5 for the Micro Four Thirds Mount.
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 a 35mm (FF) equivalent of
36 - 157.5mm.
On the other hand, the Olympus 12-100mm F4.0 IS Pro has a focal range of 12-100mm and 8.3X zoom ratio which has an effective (full-frame 35mm equivalent) focal range of 24-200mm when used on a FourThirds format camera.