Yongnuo has launched a new autofocus prime lens for APS-C Sony, Nikon and Fujifilm cameras. The YN23mm F1.4 DA DSM WL Pro has ...

Pair one with one of the best cameras for astrophotography to get the best out of it. The ideal astrophotography lens has an aperture of f/2.8 or less and a focal length of 20mm or less.

which works with the fact that the lens is designed for both photography and video, although most videographers typically use manual focus most often. This is a camera feature, but by default when ...