The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Fujifilm XF 500mm f5.6 and the Samyang 300mm f6.3 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 500mm f5.6 is the longer of the two lenses at 256mm. The Samyang 300mm f6.3 with a length of 74mm, is 182mm shorter. Besides being longer, the Fujifilm XF 500mm f5.6 also has a larger diameter of 105mm compared to the Samyang 300mm f6.3's 65mm diameter.
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, 76% (1017g) lighter than the Fujifilm XF 500mm f5.6's weight of 1335g.
Below you can find the dimension and weight table of the Telephoto Prime Lenses in Fujifilm X Mount for size comparison purposes.
Super Telephoto Lenses in Fujifilm X Mount for Size Comparison
Lens Mounts
Both the Fujifilm XF 500mm f5.6 and the Samyang 300mm f6.3 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.
Samyang 300mm f6.3 is also available in Canon EF-M , Micro Four Thirds and Sony E mounts.
Focal Range
Fujifilm XF 500mm f5.6 is a prime lens with fixed focal lenght of 500mm which has an effective (full-frame 35mm equivalent) focal range of
750mm 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.
