The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Sony FE 24-70mm F2.8 GM II and the Samyang 50mm F1.2 AS UMC CS 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 24-70mm F2.8 GM II is the longer of the two lenses at 120mm. The Samyang 50mm F1.2 AS UMC CS with a length of 74mm, is 46mm shorter. Besides being longer, the Sony FE 24-70mm F2.8 GM II also has a larger diameter of 88mm compared to the Samyang 50mm F1.2 AS UMC CS's 68mm diameter.
Below you can find a scaled side-by-side image of Sony FE 24-70mm F2.8 GM II and Samyang 50mm F1.2 AS UMC CS to get a better idea of how their sizes compare in real life.
Comparison image of the Sony FE 24-70mm F2.8 GM II and the Samyang 50mm F1.2 AS UMC CS Size and Weight 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. Samyang 50mm F1.2 AS UMC CS weighs 375g, 46% (320g) lighter than the Sony FE 24-70mm F2.8 GM II's weight of 695g.
Filter Threads
The Sony FE 24-70mm F2.8 GM II has a filter size of 82mm whereas the Samyang 50mm F1.2 AS UMC CS 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 82mm filters that we recommend you to consider for the Sony FE 24-70mm F2.8 GM II:
And these are the 62mm filters that we recommend for the Samyang 50mm F1.2 AS UMC CS:
Lens Mounts
The Sony FE 24-70mm F2.8 GM II has the Sony E lens mount whereas the Samyang 50mm F1.2 AS UMC CS has the Fujifilm X lens mount . Some of the latest released cameras that are compatible with these mounts are Sony FX5 , Sony A7R VI and Sony A7 V for the Sony E Mount and Fujifilm X-T30 III , Fujifilm X-E5 and Fujifilm X-M5 for the Fujifilm X Mount.
Canon EF-M , Micro Four Thirds and Sony E mounts.
Focal Range
Sony FE 24-70mm F2.8 GM II has a focal range of 24-70mm and
2.9X zoom ratio . When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of
36 - 105mm .
On the other hand, the Samyang 50mm F1.2 AS UMC CS is a prime lens with fixed focal lenght of 50mm which has an effective (full-frame 35mm equivalent) focal range of 75mm when used on a APS-C / DX format camera.
