The TTArtisan AF 17mm f/1.8 was announced today, and it is currently available on Amazon Specs APS-C autofocus prime lens. Focal length: 17mm. Full-frame equivalent: 25mm. Maximum aperture: f/1.8. Minimum aperture: f/16. Optical design: 14 elements in 10 groups. Angle of view: 81°. Minimum focusing distance: 0.18m. Diaphragm blades: 6. Filter thread: 52mm. Weight: around […]
