The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Sony FE 50mm F1.2 GM and the 7artisans 35mm F1.2 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 50mm F1.2 GM is the longer of the two lenses at 108mm. The 7artisans 35mm F1.2 with a length of 36mm, is 72mm shorter.
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. 7artisans 35mm F1.2 weighs 150g, 80% (628g) lighter than the Sony FE 50mm F1.2 GM's weight of 778g.
Below you can find the dimension and weight table of the Standard Prime Lenses in Sony E Mount for size comparison purposes.
Standard Lenses in Sony E Mount for Size Comparison
Filter Threads
The Sony FE 50mm F1.2 GM has a filter size of 72mm whereas the 7artisans 35mm F1.2 has a 43mm diameter. Larger filters are generally more expensive than the smaller ones given all the other features are equal.
Below are links to the 72mm filters that we recommend you to consider for the Sony FE 50mm F1.2 GM:
And these are the 43mm filters that we recommend for the 7artisans 35mm F1.2:
Lens Mounts
Both the Sony FE 50mm F1.2 GM and the 7artisans 35mm F1.2 has the same Sony E lens mount. Some of the latest released cameras that are compatible with the Sony E lenses are Sony A9 III, Sony A7C Mark II and Sony A7CR.
7artisans 35mm F1.2 is also available in Canon EF-M and Fujifilm X mounts.
Focal Range
Sony FE 50mm F1.2 GM is a prime lens with fixed focal lenght of 50mm. When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of
75mm.
On the other hand, the 7artisans 35mm F1.2 is a prime lens with fixed focal lenght of 35mm which has an effective (full-frame 35mm equivalent) focal range of 52.5mm when used on a APS-C / DX format camera.