SIRUI Swift Series 20mm F2.4 / 40mm F2.2 Full-Frame Autofocus Lens - 40mm / X

Swift Series Full-Frame Autofocus Lens Swift in Hand Stunning in Frame Just Launched Light weight, Auto focus, Uncompromising Image Quality High-Value Entry Grade Full Frame Lens Effortless Creation by Daily Carry Lens Daily Carry 20mm Ultra-Wide View More. Capture More The ultra-wide 20mm Swift lens provides an expansive perspective. Perfect for landscapes, street snaps, and vlogs, it is your lightweight everyday companion for effortless creation. ILCE-7CM2 丨 20mm, 1/160s, f/2.4, ISO-100 ILCE-7CM2 丨 20mm, 1/80s, f/3.5, ISO-100 0.2m Minimum Focus Distance Less Distance,Get closer When 20mm ultra-wide angel meets 0.2m focus distance Capture the fine details of the main subject Reserve the background Perfect for details , landscapes and group shoot.——Let’s frame them all. 0.2m Minimum Focus Distance (20mm F2.4) 40mm Natural Perspective Frame It as What It Is Frame the world just as what you see. Ideal for portraits, street scenes and detail shooting. 0.4m Minimum Focusing Distance Get Closer. Reveal the Details. Auto Focus Stay Focused on the Moment An STM motor delivers quick, smooth autofocus, helping you keep moving subjects in focus and capture fleeting moments. Made for Video Smooth Focus. Natural Results. Low distortion, natural color rendering, and minimal focus breathing help create a consistent look as focus shifts. Ideal for vlogs, short films, and time-lapse photography. 20mm F2.4 40mm F2.2 Clicked Aperture Ring Adjust with a Simple Twist Featuring a clicked aperture ring, the lens allows precise aperture adjustments with clear, tactile clicks for intuitive control. Wide Aperture More Light. Beautiful Background Blur. F2.2 More Light Shallower Depth of Field More Background Blur F2.8 Less Light Greater Depth of Field Less Background Blur The wide aperture gathers more light for low-light shooting and creates soft background blur that helps your subject stand out. Ideal for portraits, night scenes, and atmospheric images. Light in Hand Always by Your Side Compact, palm-sized, and built to travel. From streets to sights, grab it and capture the moment your way. (20mm E Mount) Precision Optical Construction Compact Size， Precision-Crafted Optics All-Glass Optics Reliable performance, built to last. Plastic Lenses More affected by temperature changes, may yellow or discolor over time. 20mm F2.4 11 Elements in 9 Groups Aspherical Lens ED Glass HRI Lens 40mm F2.2 11 Elements in 8 Groups Aspherical Lens ED Glass Aspherical Lens Cuts lens weight while correcting spherical aberration and distortion for greater image transparency. ED Glass Suppresses dispersion and chromatic aberration for true-to-life, cinematic color tones. HRI Lens Boosts light transmission and reduces stray light for stronger contrast and depth. 20mm F2.4 MTF Chart 40mm F2.2 MTF Chart Premium optical structure to ensure high solution, minimal distortion and excellent chromatic aberration control whist keeping compact lens size. E / L Mounts A Fit for Every Body Available in multiple mounts to fit diverse camera systems. E/L Mount Compatible Crafted in the Details Compact Design, Made for Creators Clicked Aperture Ring Clear clicks, direct control. AF/MF Switch Switches between autofocus and manual focus. Customizable FN Button Instant AFL focus lock or custom function assignment. Lens Hood Included Blocks stray light for cleaner images. 58mm Filter Thread Compatible with standard filters. More Protection Dust-resistant Smudge-resistant Weather-sealed Daily Carry Wherever You Go, Your Lens Follows. Swift in hand, everyday in frame. # Travel 20mm｜Take in every sweeping vista # Travel 40mm丨Record the fun along the journey # Street 20mm｜Enhance depth and perspective # Street 40mm｜Capture genuine human moments # Architecture 20mm｜Capture a wider field of view # Architecture 40mm｜Render architecture naturally # Vlog 20mm｜Frame it effortlessly # Vlog 40mm｜Record naturally Quality You Can Trust 3-Year Replacement Warranty Free replacement within three years for non-human damage (with valid proof of purchase). Lifetime paid repair service available for human-caused damage (e.g., drops, water, modifications). *For more details, please refer to the warranty card. What’s in the Box Accessory List Name Quantity Lens（20mm or 40mm） x 1 Package Box x 1 Lens Hood x 1 Front Lens Cap x 1 Back Lens Cap x 1 Specifications Product Name 20mm F2.4 40mm F2.2 Lens Format Coverage Full Frame Full Frame Focal Length 20mm 40mm Max Aperture F2.4 F2.2 Min Aperture F16 F16 Lens Structure 11 Elements in 9 Groups 11 Elements in 8 Groups Aperture Blade 9 9 Shooting Distance 0.65ft (0.2m) - ∞ 1.31ft (0.4m) - ∞ Minimum Focus Distance 0.65ft (0.2m) 1.31ft (0.4m) Focus Method MF / AF MF / AF Max Magnification 1:7.327 or 0.136x 1:7.3 or 0.14x F0V 81.2°(H)59.7°(V)91.5°(D) 47.26°(H)32.23°(V)55.86°(D) Filter Size M58 × 0.75 M58 × 0.75 Focus Ring Rotation Angle 360° 360° Max Diameter/Focus Ring Diameter/Aperture Ring Diameter 69.5mm 69.4mm Focus Motor STM STM AF/MF Switch Yes Yes