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 FE and the Samsung 85mm F1.4 ED SSA 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. Samsung 85mm F1.4 ED SSA is the longer of the two lenses at 92mm. The Samyang AF 75mm F1.8 FE with a length of 69mm, is 23mm shorter. Besides being longer, the Samsung 85mm F1.4 ED SSA also has a larger diameter of 79mm compared to the Samyang AF 75mm F1.8 FE'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 AF 75mm F1.8 FE weighs 230g, which means it is 484g (67%) lighter than the Samsung 85mm F1.4 ED SSA which has a weight of 714g.
Filter Threads
The Samyang AF 75mm F1.8 FE has a filter size of 58mm whereas the Samsung 85mm F1.4 ED SSA has a 67mm 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 Samyang AF 75mm F1.8 FE:
And these are the 67mm filters that we recommend for the Samsung 85mm F1.4 ED SSA:
Lens Mounts
The Samyang AF 75mm F1.8 FE has the Sony E lens mount whereas the Samsung 85mm F1.4 ED SSA has the Samsung NX lens mount. Some of the latest released cameras that are compatible with these mounts are Sony A9 III, Sony A7C Mark II and Sony A7CR for the Sony E Mount and Samsung NX1, Samsung NX3000 and Samsung NX30 for the Samsung NX Mount.
Focal Range
Samyang AF 75mm F1.8 FE 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 Samsung 85mm F1.4 ED SSA is a prime lens with fixed focal lenght of 85mm which has an effective (full-frame 35mm equivalent) focal range of 127.5mm when used on a APS-C / DX format camera.