The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Samyang AF 85mm F1.4 F and the Venus 105mm F2 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 AF 85mm F1.4 F with a length of 75mm, is 24mm shorter. On the other hand, the Samyang AF 85mm F1.4 F has a larger diameter of 88mm compared to the Venus 105mm F2's 76mm diameter.
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. Samyang AF 85mm F1.4 F weighs 480g, which means it is 265g (35%) lighter than the Venus 105mm F2 which has a weight of 745g.
Below you can find the dimension and weight table of the Telephoto Prime Lenses in Nikon F (FX) Mount for size comparison purposes.
Telephoto Lenses in Nikon F (FX) Mount for Size Comparison
Filter Threads
The Samyang AF 85mm F1.4 F has a filter size of 77mm whereas the Venus 105mm F2 has a 67mm diameter. Larger filters are generally more expensive than the smaller ones given all the other features are equal.
Below are links to the 77mm filters that we recommend you to consider for the Samyang AF 85mm F1.4 F:
And these are the 67mm filters that we recommend for the Venus 105mm F2:
Lens Mounts
Both the Samyang AF 85mm F1.4 F and the Venus 105mm F2 has the same Nikon F (FX) lens mount. Some of the latest released cameras that are compatible with the Nikon F (FX) lenses are Nikon D6, Nikon D780 and Nikon D3500.
Venus 105mm F2 is also available in Sony E , Canon EF, Pentax KAF2 and Sony Alpha mounts.
Focal Range
Samyang AF 85mm F1.4 F 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 a 35mm (FF) equivalent of
127.5mm.
On the other hand, the Venus 105mm F2 is a prime lens with fixed focal lenght of 105mm. When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of 157.5mm.