Samyang 20mm F1.8 is a Manual Focus (MF) Wideangle Prime
lens with 35mm FF max sensor coverage and it is designed to be used with Nikon F (FX) mount cameras.
Samyang 20mm F1.8 is compatible with cameras that have Nikon F (FX)
lens mount. Some of the latest released cameras with Nikon F (FX) lens mount are
Max sensor coverage of Samyang 20mm F1.8 is 35mm FF
Samyang 20mm F1.8 has a fixed focal lenght of 20mm. When it is mounted on an APS-C sensor camera with 1.5x crop, it provides an 35mm (FF) equivalent of 30mm.
Samyang 20mm F1.8 has a max aperture of F1.8 and a minimum aperture of F22.
Samyang 20mm F1.8's optical formula consists of 13 elements in 12 groups. Following special elements are used in this design:
- Two aspherical
- 3 ED elements
- Ultra Multi Coating