The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Sony FE 70-300mm F4.5-5.6 and the Samyang 85mm F1.4 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. Sony FE 70-300mm F4.5-5.6 is the longer of the two lenses at 144mm. The Samyang 85mm F1.4 with a length of 75mm, is 69mm shorter. Besides being longer, the Sony FE 70-300mm F4.5-5.6 also has a larger diameter of 84mm compared to the Samyang 85mm F1.4's 78mm 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 85mm F1.4 weighs 539g, 36% (315g) lighter than the Sony FE 70-300mm F4.5-5.6's weight of 854g.
Filter Threads
Both the Sony FE 70-300mm F4.5-5.6 and the Samyang 85mm F1.4 have the same Filter thread size of 72mm.
Below are links to the 72mm filters that we recommend you to consider for these lenses:
Lens Mounts
Both the Sony FE 70-300mm F4.5-5.6 and the Samyang 85mm F1.4 has the same Sony E lens mount. Some of the latest released cameras that are compatible with the Sony E lenses are Sony FX5, Sony A7R VI and Sony A7 V.
Samyang 85mm F1.4 is also available in Canon EF , Nikon F (FX), Four Thirds, Pentax KAF, Sony Alpha and Samsung NX mounts.
Focal Range
Sony FE 70-300mm F4.5-5.6 has a focal range of 70-300mm and
4.3X zoom ratio . When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of
105 - 450mm.
On the other hand, the Samyang 85mm F1.4 is a prime lens with fixed focal lenght of 85mm. When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of 127.5mm.
