The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Sony FE 85mm F1.4 GM and the Sony FE 90mm F2.8 Macro G OSS for their suitability to various photography scenarios:
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 Sony FE 85mm F1.4 GM with a length of 108mm is 23mm shorter. On the other hand, the Sony FE 85mm F1.4 GM has a larger diameter of 90mm compared to Sony FE 90mm F2.8 Macro G OSS's 79mm diameter.
Below you can find the scaled side by side image of Sony FE 85mm F1.4 GM 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 Sony FE 85mm F1.4 GM 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. Sony FE 90mm F2.8 Macro G OSS weighs 602g, 26% (218g) lighter than the Sony FE 85mm F1.4 GM's weight of 820g.
Lens Mounts
Both Sony FE 85mm F1.4 GM 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 A7R V, Sony FX30 and Sony A7 IV.
Focal Range
Sony FE 85mm F1.4 GM 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.
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.