Qigongjiang released a full-frame wide-angle 15mm F4.0 manual lens, starting at 1699 RMB.
According to reports, this 15mm F4 ultra-wide-angle lens has a viewing angle of 114°, which can capture the vast landscape of the city and an endless field of vision. It is suitable for landscape, architecture, starry sky, indoor, and VLOG photography.
According to the official statement, the distortion of the 7 Artisans 15mm F4 is close to 0, which can effectively reduce a lot of post-work for photographers in architectural shooting subjects. The lens structure of 13 elements in 9 groups (two aspherical surfaces) ensures the same excellent image quality at the center and at the edge. This lens supports E / L / R / Z mounts, the minimum focusing distance is 0.4m, the filter size is 77mm, and the weight is 536g.
The lens structure and MTF curve are as follows: