The Neewer Z1 flash features a circular Fresnel head, which produces a more even light distribution from center to edge, with softer, more natural falloff at the edges, providing a natural and stunning lighting effect. The color temperature remains stable at 5600K (??200K). The flash zoom head (28?€?105mm) can be set automatically or manually. And 2W LED modeling lamp has 10 adjustable brightness levels from 01 to 10.