The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Nikon DX Fisheye-10.5mm f2.8G ED and the Samyang 10mm f2.8 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. Samyang 10mm f2.8 is the longer of the two lenses at 77mm. The Nikon DX Fisheye-10.5mm f2.8G ED with a length of 63mm, is 14mm shorter. Besides being longer, the Samyang 10mm f2.8 also has a larger diameter of 86mm compared to the Nikon DX Fisheye-10.5mm f2.8G ED's 63mm 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. Nikon DX Fisheye-10.5mm f2.8G ED weighs 300g, which means it is 280g (48%) lighter than the Samyang 10mm f2.8 which has a weight of 580g.
Below you can find the dimension and weight table of the Wideangle Fisheye Prime Lenses in Nikon F (DX) Mount for size comparison purposes.
Ultra-Wideangle Lenses in Nikon F (DX) Mount for Size Comparison
Lens Mounts
Both the Nikon DX Fisheye-10.5mm f2.8G ED and the Samyang 10mm f2.8 has the same Nikon F (DX) lens mount. Some of the latest released cameras that are compatible with the Nikon F (DX) lenses are Nikon D3500, Nikon D7500 and Nikon D5600.
Samyang 10mm f2.8 is also available in Canon EF , Canon EF-M, Fujifilm X, Four Thirds and Micro Four Thirds mounts.
Focal Range
Nikon DX Fisheye-10.5mm f2.8G ED is a prime lens with fixed focal lenght of 11mm which has an effective (full-frame 35mm equivalent) focal range of
16.5mm when used on a APS-C / DX format camera.
On the other hand, the Samyang 10mm f2.8 is a prime lens with fixed focal lenght of 10mm which has an effective (full-frame 35mm equivalent) focal range of 15mm when used on a APS-C / DX format camera.