Thypoch Simera 35mm f1.4 Canon RF Mount Full Frame Lens - Silver (p/n TP-S35RF-SR) Simera series lenses add more options in different mount system making them versatile in Sony Nikon Fujifilm as well as Canon cameras. Exquisite Ergonomics Fluid Precision The new Simera lenses include a crescent-shaped focus tab crafted from anodized aluminium alloy for seamless integration and tactile comfort. Its ergonomic curve enables swift focusing with smooth accuracy elevating the shooting experience. Classic DOF Indicator In homage to the Alpa Kern lenses Simera incorporates a vintage-inspired depth-of-field indicator adding a touch of nostalgia to its design. Versatile and intriguing it caters to zone focusing with ease. Versatile Control Intuitive Adjustments--Click and declick Simply tap the sun and moon symbols on the aperture ring to switch between click and de-click modes. It provides artistic freedom and fine control across a wide range of shooting scenarios. Large f1.4 aperture Large aperture enhances the low-light performance making it easier to capture well-exposed images in challenging lighting conditions such as indoors or during nighttime photography. Narrower DOF creates a blurred background and achieve a greater subject-background separation. Cutting-Edge Optics for Exceptional Details Controlled CA and distortion for Simera series. With 1pcs ED 2pcs HRI as well as 1pcs aspherical glass in 28mm 3pcs HRI and 1pcs aspherical glass in 35mm image quality remain clear even in close focus at wide open with smooth transition from the centre to the edge.