The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Samyang AF 75mm F1.8 X and the Fujifilm XF 18-120mm F4 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. Fujifilm XF 18-120mm F4 is the longer of the two lenses at 124mm. The Samyang AF 75mm F1.8 X with a length of 69mm, is 55mm shorter. Besides being longer, the Fujifilm XF 18-120mm F4 also has a larger diameter of 77mm compared to the Samyang AF 75mm F1.8 X's 70mm diameter.
Below you can find a scaled side-by-side image of Samyang AF 75mm F1.8 X and Fujifilm XF 18-120mm F4 to get a better idea of how their sizes compare in real life.
Comparison image of the Samyang AF 75mm F1.8 X and the Fujifilm XF 18-120mm F4 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 75mm F1.8 X weighs 257g, which means it is 203g (44%) lighter than the Fujifilm XF 18-120mm F4 which has a weight of 460g.
Filter Threads
The Samyang AF 75mm F1.8 X has a filter size of 62mm whereas the Fujifilm XF 18-120mm F4 has a 72mm 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 AF 75mm F1.8 X:
And these are the 72mm filters that we recommend for the Fujifilm XF 18-120mm F4:
Lens Mounts
Both the Samyang AF 75mm F1.8 X and the Fujifilm XF 18-120mm F4 has the same Fujifilm X lens mount . Some of the latest released cameras that are compatible with the Fujifilm X lenses are Fujifilm X-T30 III , Fujifilm X-E5 and Fujifilm X-M5 .
Focal Range
Samyang AF 75mm F1.8 X is a prime lens with fixed focal lenght of 75mm. When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of
112.5mm .
On the other hand, the Fujifilm XF 18-120mm F4 has a focal range of 18-120mm and 6.7X zoom ratio which has an effective (full-frame 35mm equivalent) focal range of 27-180mm when used on a APS-C / DX format camera.
