The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Venus 105mm F2 and the Samyang Premium MF 85mm F1.2 for their suitability to various photography scenarios:
Size and Weight Comparison
The size of a lens is a crucial factor to consider when comparing two lenses. Venus 105mm F2 is the longer of the two lenses at 99mm. The Samyang Premium MF 85mm F1.2 with a length of 98mm, is 1mm shorter. On the other hand, the Samyang Premium MF 85mm F1.2 has a larger diameter of 93mm compared to the Venus 105mm F2's 76mm diameter.
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Below you can find a scaled side-by-side image of Venus 105mm F2 and Samyang Premium MF 85mm F1.2 to get a better idea of how their sizes compare in real life.
The weight of a lens is equally significant as its external dimensions, particularly if you intend to handhold your camera and lens combination for extended periods. Venus 105mm F2 weighs 745g, which means it is 305g (29%) lighter than the Samyang Premium MF 85mm F1.2 which has a weight of 1050g.
Below you can find the dimension and weight table of the Telephoto Prime Lenses in Canon EF Mount for size comparison purposes.
Telephoto Lenses in Canon EF Mount for Size Comparison
Lens Mounts
Both the Venus 105mm F2 and the 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 105mm F2 is also available in Sony E , Nikon F (FX), Pentax KAF2 and Sony Alpha mounts.
Focal Range
Venus 105mm F2 is a prime lens with fixed focal lenght of 105mm. When it is mounted on an APS-C sensor camera with 1.6x crop, it provides a 35mm (FF) equivalent of
168mm.
On the other hand, the 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 a 35mm (FF) equivalent of 136mm.