The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Venus 100mm F2.8 2X Ultra Macro 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 Venus 100mm F2.8 2X Ultra Macro with a length of 125mm is 6mm shorter. Besides being longer, the Sony FE 90mm F2.8 Macro G OSS also has a larger diameter of 79mm compared to Venus 100mm F2.8 2X Ultra Macro's 72mm diameter.
Below you can find the scaled side by side image of Venus 100mm F2.8 2X Ultra Macro 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 Venus 100mm F2.8 2X Ultra Macro 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, 5% (36g) lighter than the Venus 100mm F2.8 2X Ultra Macro's weight of 638g.
Below you can find the dimension and weight table of the 'Macro Prime Lenses in Sony E Mount for size comparison purposes.
Macro Prime Lenses in Sony E Mount for Size Comparison
Lens Mounts
Both Venus 100mm F2.8 2X Ultra Macro 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.
Venus 100mm F2.8 2X Ultra Macro is also available in Canon EF , Nikon F (FX) and Pentax KAF2 mounts.
Focal Range
Venus 100mm F2.8 2X Ultra Macro is a prime lens with fixed focal lenght of 100mm. When it is mounted on an APS-C sensor camera with 1.5x crop, it provides an 35mm (FF) equivalent of 150mm.
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.