The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Sony FE 24mm F1.4 GM and the Olympus 25mm F1.2 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. Sony FE 24mm F1.4 GM is the longer of the two lenses at 92mm. The Olympus 25mm F1.2 Pro with a length of 87mm, is 5mm shorter. Besides being longer, the Sony FE 24mm F1.4 GM also has a larger diameter of 75mm compared to the Olympus 25mm F1.2 Pro's 70mm diameter.
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 25mm F1.2 Pro weighs 410g, 7% (35g) lighter than the Sony FE 24mm F1.4 GM's weight of 445g.
Filter Threads
The Sony FE 24mm F1.4 GM has a filter size of 67mm whereas the Olympus 25mm F1.2 Pro has a 62mm diameter. Larger filters are generally more expensive than the smaller ones given all the other features are equal.
Below are links to the 67mm filters that we recommend you to consider for the Sony FE 24mm F1.4 GM:
And these are the 62mm filters that we recommend for the Olympus 25mm F1.2 Pro:
Lens Mounts
The Sony FE 24mm F1.4 GM has the Sony E lens mount whereas the Olympus 25mm F1.2 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 24mm F1.4 GM is a prime lens with fixed focal lenght of 24mm. When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of
36mm.
On the other hand, the Olympus 25mm F1.2 Pro is a prime lens with fixed focal lenght of 25mm which has an effective (full-frame 35mm equivalent) focal range of 50mm when used on a FourThirds format camera.