The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Samyang 21mm F1.4 ED AS UMC CS and the Samyang AF 24mm F1.8 FE 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 AF 24mm F1.8 FE is the longer of the two lenses at 72mm. The Samyang 21mm F1.4 ED AS UMC CS with a length of 68mm, is 4mm shorter. Besides being longer, the Samyang AF 24mm F1.8 FE also has a larger diameter of 65mm compared to the Samyang 21mm F1.4 ED AS UMC CS's 64mm diameter.
Below you can find a scaled side-by-side image of Samyang 21mm F1.4 ED AS UMC CS and Samyang AF 24mm F1.8 FE to get a better idea of how their sizes compare in real life.
Comparison image of the Samyang 21mm F1.4 ED AS UMC CS and the Samyang AF 24mm F1.8 FE 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 AF 24mm F1.8 FE weighs 230g, 16% (45g) lighter than the Samyang 21mm F1.4 ED AS UMC CS's weight of 275g.
Filter Threads
Both the Samyang 21mm F1.4 ED AS UMC CS and the Samyang AF 24mm F1.8 FE have the same Filter thread size of 58mm .
Below are links to the 58mm filters that we recommend you to consider for these lenses:
Lens Mounts
The Samyang 21mm F1.4 ED AS UMC CS has the Canon EF-M lens mount whereas the Samyang AF 24mm F1.8 FE has the Sony E lens mount . Some of the latest released cameras that are compatible with these mounts are Canon M50 II , Canon M200 and Canon M6 MII for the Canon EF-M Mount and Sony FX5 , Sony A7R VI and Sony A7 V for the Sony E Mount.
Fujifilm X , Micro Four Thirds and Sony E mounts.
Focal Range
Samyang 21mm F1.4 ED AS UMC CS is a prime lens with fixed focal lenght of 21mm which has an effective (full-frame 35mm equivalent) focal range of
33.6mm when used on a APS-C / DX format camera.
On the other hand, the Samyang AF 24mm F1.8 FE 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 .
