TTArtisan 17mm F1.4 ASPH. : This APS-C lens adopts the optical structure of 9elements in 8 groups and the equivalent focus length on full frame is about 25mm, with the angle of 81° . 17mm F1.4 can not only be used to record beautiful scenery during the journey, but also be used to complete environmental humanistic creation in a narrow space. Besides, with the large aperture of F1.4, it ensures that high-speed shutter shooting can be achieved in the street at dusk or indoors with low light.
