A great lens for astrophotography will aid your mastery of one of the most challenging and rewarding genres of photography. Capturing images of the night sky of stars and planets requires patience, ...

Astrophotographers need a lens that gathers a lot of light. Subjects are often, to the naked eye, tiny specks of light surrounded by darkness. A fast or wide-aperture lens, such as an f/1.4 lens, is ...

A versatile, professional-grade lens with superior light-gathering capability, though there's a compromise to be made in terms of weight. Chromatic aberration and coma are significantly corrected. Why ...

Should you buy a named-brand camera lens or go third-party? With Sigma, Viltrox and Rokinon making excellent, sometimes superior lenses, the choice is harder than ever. When you purchase through links ...

Astrophotography is one of the more technical genres of photography and doing it well requires specific skills and equipment. Sigma aimed to meet those needs with its recently released Sigma 14mm ...