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 Samyang Premium MF 85mm F1.2 for their suitability to various photography scenarios:
Size and Weight Comparison
Size of a lens is an important deciding factor when comparing two lenses.Venus 100mm F2.8 2X Ultra Macro is the longer of the two lenses at 125mm. The Samyang Premium MF 85mm F1.2 with a length of 98mm is 27mm shorter. On the other hand, the Samyang Premium MF 85mm F1.2 has a larger diameter of 93mm 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 Samyang Premium MF 85mm F1.2 to get a better idea of how their size compare in real life.
Comparison image of Venus 100mm F2.8 2X Ultra Macro and Samyang Premium MF 85mm F1.2 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. Venus 100mm F2.8 2X Ultra Macro weighs 638g, which means it is 412g (39%) lighter than the Samyang Premium MF 85mm F1.2 which has a weight of 1050g.
Lens Mounts
Both Venus 100mm F2.8 2X Ultra Macro and Samyang Premium MF 85mm F1.2 has the same Canon EF lens mount. Some of the latest released cameras that are compatible with the Canon EF lenses are Canon 1D X III, Canon 6D MII and Canon 5D MIV.
Venus 100mm F2.8 2X Ultra Macro is also available in Nikon F (FX) , Pentax KAF2 and Sony E 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 1.6x crop, it provides an 35mm (FF) equivalent of 160mm.
Samyang Premium MF 85mm F1.2 is a prime lens with fixed focal lenght of 85mm. When it is mounted on an APS-C sensor camera with 1.6x crop, it provides an 35mm (FF) equivalent of 136mm.