The 7artisans 50mm f/1.8 Manual Focus Lens is a low-cost lens that offers a field of view of 32 and a minimum focus of 0.5m (1.64 inch). It's lightweight and compact, weighing less than 6 ounces. The lens construction consists of 6 elements arranged into 5 groups. The aperture range is f/1.8 to f/16, and the lens also has 12 diaphragm blades. Compact Functional Lens 7artisans 50mm/f1.8 features a 6-element, 5-group design. It has a maximum relative aperture range of F/1.8 to F/16. The minimum focal length is 0.5m; focus within 32 degrees. Wide Compatibility This lens is compatible with many different Fujifilm X-Mount cameras without an extra adapter. Ideal Aperture with Twelve Blades Twelve diaphragm blades are crucial to favorable rendition of highlights in the fore and background. This provides high quality of transition, as well as nice bokeh for the lens, keeping the background intentionally blurred to keep the attention of the observer on the main subject.