Size and Weight Comparison
Size of a lens is an important deciding factor when comparing two lenses.Sony FE 90mm F2.8 Macro G OSS is the longer of the two lenses at 131mm. The Samyang AF 75mm F1.8 FE with a length of 69mm is 62mm shorter. Besides being longer, the Sony FE 90mm F2.8 Macro G OSS also has a larger diameter of 79mm compared to Samyang AF 75mm F1.8 FE's 65mm diameter.
Below you can find the scaled side by side image of Samyang AF 75mm F1.8 FE and Sony FE 90mm F2.8 Macro G OSS to get a better idea of how their size compare in real life.
Comparison image of Samyang AF 75mm F1.8 FE and Sony FE 90mm F2.8 Macro G OSS Size and Weight 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 372g (161%) lighter than the Sony FE 90mm F2.8 Macro G OSS which has a weight of 602g.
Lens Mounts
Both Samyang AF 75mm F1.8 FE and Sony FE 90mm F2.8 Macro G OSS has the same Sony E lens mount. Some of the latest released cameras that are compatible with the Sony E lenses are Sony A7 IV, Sony ZV-E10 and Sony A1.
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.
Sony FE 90mm F2.8 Macro G OSS is a prime lens with fixed focal lenght of 90mm. When it is mounted on an APS-C sensor camera with 1.5x crop, it provides an 35mm (FF) equivalent of 135mm.