The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Viltrox 90mm F2.2 X 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. Viltrox 90mm F2.2 X is the longer of the two lenses at 76mm. The Samyang 50mm F1.2 AS UMC CS with a length of 74mm, is 2mm shorter. Besides being longer, the Viltrox 90mm F2.2 X also has a larger diameter of 69mm compared to the Samyang 50mm F1.2 AS UMC CS's 68mm diameter.
Below you can find a scaled side-by-side image of Viltrox 90mm F2.2 X 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 Viltrox 90mm F2.2 X 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. Viltrox 90mm F2.2 X weighs 320g, which means it is 55g (14%) lighter than the Samyang 50mm F1.2 AS UMC CS which has a weight of 375g.
Below you can find the dimension and weight table of the Telephoto Prime Lenses in Fujifilm X Mount for size comparison purposes.
Telephoto Lenses in Fujifilm X Mount for Size Comparison
Filter Threads
The Viltrox 90mm F2.2 X has a filter size of 58mm 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 58mm filters that we recommend you to consider for the Viltrox 90mm F2.2 X:
And these are the 62mm filters that we recommend for the Samyang 50mm F1.2 AS UMC CS:
Lens Mounts
Both the Viltrox 90mm F2.2 X and the Samyang 50mm F1.2 AS UMC CS has the same Fujifilm X lens mount . Some of the latest released cameras that are compatible with the Fujifilm X lenses are RED Komodo-X 6K Z , Nikon Z50 II and Nikon Z30 .
Samyang 50mm F1.2 AS UMC CS is also available in Canon EF-M , Micro Four Thirds and Sony E mounts.
Focal Range
Viltrox 90mm F2.2 X is a prime lens with fixed focal lenght of 90mm which has an effective (full-frame 35mm equivalent) focal range of
135mm when used on a APS-C / DX format camera.
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.