The Viltrox 33mm f1.4 auto focus lens consists of 10 elements in 9 groups including 1 Ultra Low Dispersion (ED) element and 1 High Refractive Index.
Viltrox autofocus lens features a "Noiseless" stepping motor (STM Focus Motor) that drives the autofocus unit for a stable fast and smooth autofocus.
Autofocus lens features an opening range from F1.4 to F16, using a 9-blade aperture and a minimum focal length of 15.75 inches (40 cm) (15.75 inches) and uses "HD Nano multi-layer coating for unspecified number of elements, to improve water resistance and minimize chromatic aberration.
Metal body, small and compact, weighs 270g (9.5oz) and uses 52mm front filter thread.
Built-in firmware USB port for compatibility with the latest camera models and support EXIF information transmission.