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 Samyang 300mm f6.3 for their suitability to various photography scenarios:
Size and Weight Comparison
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 300mm f6.3 weighs 318g, 15% (57g) lighter than the Samyang 50mm F1.2 AS UMC CS's weight of 375g.
Lens Mounts
Both the Samyang 50mm F1.2 AS UMC CS and the Samyang 300mm f6.3 has the same Canon EF-M lens mount. Some of the latest released cameras that are compatible with the Canon EF-M lenses are Canon M50 II, Canon M200 and Canon M6 MII.
Samyang 50mm F1.2 AS UMC CS is also available in the Fujifilm X , Micro Four Thirds and Sony E mounts.
Samyang 300mm f6.3 is also available in Fujifilm X , Micro Four Thirds and Sony E mounts.
Focal Range
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
80mm when used on a APS-C / DX format camera.
On the other hand, the Samyang 300mm f6.3 is a prime lens with fixed focal lenght of 300mm which has an effective (full-frame 35mm equivalent) focal range of 450mm when used on a APS-C / DX format camera.
