The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Samyang 85mm F1.4 and the Nikon 105mm f2D DC 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. Nikon 105mm f2D DC is the longer of the two lenses at 111mm. The Samyang 85mm F1.4 with a length of 75mm, is 36mm shorter. Besides being longer, the Nikon 105mm f2D DC also has a larger diameter of 79mm compared to the Samyang 85mm F1.4's 78mm 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 85mm F1.4 weighs 539g, which means it is 101g (15%) lighter than the Nikon 105mm f2D DC which has a weight of 640g.
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
Both the Samyang 85mm F1.4 and the Nikon 105mm f2D DC have the same Filter thread size of 72mm.
Below are links to the 72mm filters that we recommend you to consider for these lenses:
Lens Mounts
Both the Samyang 85mm F1.4 and the Nikon 105mm f2D DC 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.
Samyang 85mm F1.4 is also available in Canon EF , Four Thirds, Pentax KAF, Sony Alpha, Sony E and Samsung NX mounts.
Focal Range
Samyang 85mm F1.4 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 Nikon 105mm f2D DC 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.