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 Zeiss Batis 85mm F1.8 for their suitability to various photography scenarios:
Size and Weight Comparison
Size of a lens is an important deciding factor when comparing two lenses.Zeiss Batis 85mm F1.8 is the longer of the two lenses at 78mm. The Samyang AF 75mm F1.8 FE with a length of 69mm is 9mm shorter. Besides being longer, the Zeiss Batis 85mm F1.8 also has a larger diameter of 105mm compared to Samyang AF 75mm F1.8 FE's 65mm diameter.
Weight of a lens is as important as its external dimensions, especially if you are planning to hand hold your camera and lens combination for longer periods. Samyang AF 75mm F1.8 FE weighs 230g, which means it is 245g (51%) lighter than the Zeiss Batis 85mm F1.8 which has a weight of 475g.
Lens Mounts
Both Samyang AF 75mm F1.8 FE and Zeiss Batis 85mm F1.8 has the same Sony E lens mount. Some of the latest released cameras that are compatible with the Sony E lenses are Sony A7R V, Sony FX30 and Sony A7 IV.
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 an 35mm (FF) equivalent of 112.5mm.
Zeiss Batis 85mm F1.8 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 an 35mm (FF) equivalent of 127.5mm.