The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Panasonic S 24-105mm F4 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. Panasonic S 24-105mm F4 is the longer of the two lenses at 118mm. The Olympus 12-100mm F4.0 IS Pro with a length of 117mm, is 1mm shorter. Besides being longer, the Panasonic S 24-105mm F4 also has a larger diameter of 84mm compared to the Olympus 12-100mm F4.0 IS Pro's 78mm diameter.
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Below you can find a scaled side-by-side image of Panasonic S 24-105mm F4 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, 17% (119g) lighter than the Panasonic S 24-105mm F4's weight of 680g.
Filter Threads
The Panasonic S 24-105mm F4 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 Panasonic S 24-105mm F4:
And these are the 72mm filters that we recommend for the Olympus 12-100mm F4.0 IS Pro:
Lens Mounts
The Panasonic S 24-105mm F4 has the Leica L 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 Leica SL3, Panasonic S5 II and Panasonic S5 II X for the Leica L Mount and OM System OM-1 II, Panasonic G9 II and OM System OM-5 for the Micro Four Thirds Mount.
Focal Range
Panasonic S 24-105mm F4 has a focal range of 24-105mm and
4.4X zoom ratio .
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.