The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Samyang 50mm F1.2 AS UMC CS and the Sony E 50mm F1.8 OSS 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. Samyang 50mm F1.2 AS UMC CS is the longer of the two lenses at 74mm. The Sony E 50mm F1.8 OSS with a length of 62mm, is 12mm shorter. Besides being longer, the Samyang 50mm F1.2 AS UMC CS also has a larger diameter of 68mm compared to the Sony E 50mm F1.8 OSS's 62mm diameter.
Below you can find a scaled side-by-side image of Samyang 50mm F1.2 AS UMC CS and Sony E 50mm F1.8 OSS to get a better idea of how their sizes compare in real life.
Comparison image of the Samyang 50mm F1.2 AS UMC CS and the Sony E 50mm F1.8 OSS 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. Sony E 50mm F1.8 OSS weighs 202g, 46% (173g) lighter than the Samyang 50mm F1.2 AS UMC CS's weight of 375g.
Filter Threads
The Samyang 50mm F1.2 AS UMC CS has a filter size of 62mm whereas the Sony E 50mm F1.8 OSS has a 49mm diameter. Larger filters are generally more expensive than the smaller ones given all the other features are equal.
Below are links to the 62mm filters that we recommend you to consider for the Samyang 50mm F1.2 AS UMC CS:
And these are the 49mm filters that we recommend for the Sony E 50mm F1.8 OSS:
Lens Mounts
The Samyang 50mm F1.2 AS UMC CS has the Fujifilm X lens mount whereas the Sony E 50mm F1.8 OSS has the Sony E lens mount . Some of the latest released cameras that are compatible with these mounts are Fujifilm X-T30 III , Fujifilm X-E5 and Fujifilm X-M5 for the Fujifilm X Mount and Sony ZV-E10 II , Sony A6700 and Sony FX30 for the Sony E Mount.
Samyang 50mm F1.2 AS UMC CS is also available in the Canon EF-M , Micro Four Thirds and Sony E mounts.
Focal Range
Both lenses have the same focal range of
50mm but while Samyang 50mm F1.2 AS UMC CS has the fastest aperture of
F1.2 , the Sony E 50mm F1.8 OSS's widest aperture value is
F1.8 .