The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Samyang 8mm F3.5 Fisheye and the Nikon 14mm f2.8D ED 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 14mm f2.8D ED is the longer of the two lenses at 87mm. The Samyang 8mm F3.5 Fisheye with a length of 77mm, is 10mm shorter. Besides being longer, the Nikon 14mm f2.8D ED also has a larger diameter of 87mm compared to the Samyang 8mm F3.5 Fisheye's 75mm 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 8mm F3.5 Fisheye weighs 443g, which means it is 227g (33%) lighter than the Nikon 14mm f2.8D ED which has a weight of 670g.
Lens Mounts
The Samyang 8mm F3.5 Fisheye has the Nikon F (DX) lens mount whereas the Nikon 14mm f2.8D ED has the Nikon F (FX) lens mount. Some of the latest released cameras that are compatible with these mounts are Nikon D3500, Nikon D7500 and Nikon D5600 for the Nikon F (DX) Mount and Nikon D6, Nikon D780 and Nikon D3500 for the Nikon F (FX) Mount.
Samyang 8mm F3.5 Fisheye is also available in the Canon EF , Four Thirds, Pentax KAF, Sony Alpha and Samsung NX mounts.
Focal Range
Samyang 8mm F3.5 Fisheye is a prime lens with fixed focal lenght of 8mm which has an effective (full-frame 35mm equivalent) focal range of
12mm when used on a APS-C / DX format camera.
On the other hand, the Nikon 14mm f2.8D ED is a prime lens with fixed focal lenght of 14mm. When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of 21mm.
