NiYi Focus | Viltrox AF 28mm F4.5 Chip Ultra-Thin Auto Focus Full Frame Prime Pancake Lens for Sony E/Fuji X/Nikon Z/L Mount LUMIX Sigma S9

    Viltrox AF 28mm F4.5 Chip is an ultra-light full-frame autofocus pancake prime lens specially designed for street photography, weighing only about 60g, extremely slim and portable to easily put in your pocket. Adopting 6-group 6-element optical configuration with 2 aspherical and 2 ED low-dispersion optical glass, matched with multi-layer anti-reflection coating, it greatly reduces chromatic aberration, ghost and stray light, and maintains sharp detail performance across the frame.    Equipped with silent VCM focus motor, it realizes fast and smooth autofocus, supports human eye, face and pet eye recognition tracking, perfect for portraits, street documentary, landscape and architectural photography. The creative integrated flip lens cap eliminates the trouble of carrying and losing separate caps, and the front optical coating can create beautiful starburst light spots when shooting backlit scenes.    This lens supports Sony E, Leica L, Nikon Z and Fujifilm X camera mounts, built-in USB-C firmware upgrade port to continuously optimize focusing algorithm. All-metal precision bayonet ensures stable camera connection, fixed F4.5 aperture brings stable exposure performance, the 28mm classic street focal length provides natural wide perspective, a must-have lightweight prime lens for snap shooters and travel photographers.Ultra-Light & Ultra-Thin Pancake Design: Only approx 60g weight and slim body, ultra-portable for street snap, travel and daily carry; metal lens barrel with exquisite matte texture, compact without sacrificing texture.Fast VCM Autofocus with Eye/Face Detection: Built-in silent VCM focus motor, supports full-lens auto focusing, fast and accurate locking for human eyes, faces and pets, ideal for portrait and documentary shooting.Professional 6 Groups 6 Elements Optical Structure: Equipped with 2 aspherical lenses + 2 ED ultra-low dispersion lenses, multi-layer HD coating, effectively suppress chromatic aberration, ghosting and flare, deliver sharp clean image from center to edge.Integrated Flip Lens Cap Design: Innovative one-piece flip cover, flip open for shooting and flip closed to block dust, no extra lens cap to lose, bring convenient street shooting experience.Wide Compatibility & Upgradeable Firmware: Available for Sony E, Leica L, Nikon Z, Fujifilm X mounts; equipped with USB-C port for firmware upgrade to optimize focus performance, fixed F4.5 aperture creates unique starburst light effect against backlight.