The Fujinon XF 16mm F1.4 R WR is an interchangeable camera lens announced by

Fujifilm , trading as Fujifilm, or simply Fuji, is a Japanese multinational conglomerate headquartered in Tokyo, Japan, operating in the realms of photography, optics, office and medical electronics, biotechnology, and chemicals. The offerings from the ...

on April 16, 2015. It has an unusually wide maximum

aperture In optics, an aperture is a hole or an opening through which light travels. More specifically, the aperture and focal length of an optical system determine the cone angle of a bundle of rays that come to a focus in the image plane. An ...

given its focal length, and is weather-sealed.

References

16 Camera lenses introduced in 2015 {{photography-stub