The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Nikon Z 50mm F1.4 and the Samyang 21mm F1.4 ED 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. Nikon Z 50mm F1.4 is the longer of the two lenses at 87mm. The Samyang 21mm F1.4 ED AS UMC CS with a length of 68mm, is 19mm shorter. Besides being longer, the Nikon Z 50mm F1.4 also has a larger diameter of 75mm 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 Nikon Z 50mm F1.4 and Samyang 21mm F1.4 ED AS UMC CS to get a better idea of how their sizes compare in real life.
Comparison image of the Nikon Z 50mm F1.4 and the Samyang 21mm F1.4 ED 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 21mm F1.4 ED AS UMC CS weighs 275g, 34% (145g) lighter than the Nikon Z 50mm F1.4's weight of 420g.
Filter Threads
The Nikon Z 50mm F1.4 has a filter size of 62mm whereas the Samyang 21mm F1.4 ED AS UMC CS has a 58mm 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 Nikon Z 50mm F1.4:
And these are the 58mm filters that we recommend for the Samyang 21mm F1.4 ED AS UMC CS :
Lens Mounts
The Nikon Z 50mm F1.4 has the Nikon Z lens mount whereas the Samyang 21mm F1.4 ED AS UMC CS has the Sony E lens mount . Some of the latest released cameras that are compatible with these mounts are Nikon ZR , Nikon Z5 II and RED Komodo-X 6K Z for the Nikon Z Mount and Sony ZV-E10 II , Sony A6700 and Sony FX30 for the Sony E Mount.
Canon EF-M , Fujifilm X and Micro Four Thirds mounts.
Focal Range
Nikon Z 50mm F1.4 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 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 31.5mm when used on a APS-C / DX format camera.
