Sony's latest lens is the world’s first telephoto zoom lens with a maximum focal length of 150mm and constant f/2 aperture.

If you’re not yet familiar with diopter lens filters, today’s featured video by Mathieu Stern shows what these special tools can do.

Looking for a lens tripod collar that can make a world of difference in stability, balance, and rotation control. The Neewer CA021 is one such accessory.