1、A standard prime lens gives a natural sense of perspective, and the 50mm focal length is very close to the human eye. 2、When the light is bad, if the aperture is small, the shutter speed is too slow, and the user can easily blur when shooting. The F1.1 large aperture enables faster shutter speeds, allowing users to shoot night scenes easily and without stress while holding the camera. 3、The F1.1 is a full‑frame lens that ensures high quality imaging when used in full‑frame mirrorless camera. 4、The product can improve the picture quality when it is used in the half‑frame mirrorless camera, and the large aperture of F1.1 is adopted, so the effect of out‑of‑focus blurry is favorable, and it can also take a clear and bright picture in the weak light environment. 5、The large aperture outside the focus can obtain the full blurry effect, can blur the foreground or background, highlight the subject being photographed, and take a three‑dimensional picture. 6、The product uses a circular aperture blade, the aperture shape from the full opening and contraction of the two positions present a wonderful round. The user can obtain the blurry effect to improve the circular aperture to obtain the beautiful focal blurry. 7、The shell is made of high‑strength aluminum alloy body, delicate and textured, and the weight is only about 400g/14.1oz. Product texture is very good, strong durability, easy to carry. Product is reliable with using fine copper bayonet. 8、The product adopts the infinite aperture design, it is very convenient to shoot pictures or videos, no longer jump gear, also no waste of lens, it is the best choice for professional photographers. Item Type: Portrait Lens Material: Optical Glass + Alloy Colors: Black Weight: Approx. 534g/19.0oz Focal Length:50mm The Largest Aperture:F1.1 The Smallest Aperture:F16 Use Frame:Silent Frame Lens Mount:R Mount Application:For Canon EOS R/RP/R5/R6/R3 Camera Body Optical Structure:8 Elements In 6 Groups Viewing Angle:47° Number Of Aperture Pieces:11 Pieces The Closest Focusing Distance:Approx.0.35M The Filter Size:52mm/2.0in Aperture Ring:The Infinite Aperture Anti-Shake:No Focusing Method: Manual Focusing 1 x Lens 1 x Lens Hood (Installed) 1 x Dust removal cloth