Sigma 135mm F1.4 DG | Art Lens L-Mount Revolutionising portrait photography with the worlds first AF 135mm F1.4 prime lens The Sigma 135mm F1.4 DG | Art (L-Mount) is a landmark achievement in optical engineering: the worlds first 135mm autofocus lens with an F1.4 maximum aperture. Built exclusively for full-frame mirrorless cameras, it delivers breathtaking sharpness, exquisite detail, and an extraordinary sense of depth with unrivalled bokeh. Ideal for portrait photographers, fashion shooters, and creative professionals, this lens combines the natural perspective of 135mm with the expressive power of F1.4, setting a new benchmark in its class. Key Highlights Worlds first 135mm F1.4 autofocus lens for mirrorless full-frame cameras Extraordinary bokeh larger than the acclaimed Sigma 105mm F1.4 Bokeh Master Exquisite portrait detail with advanced FLD and high-dispersion optics Fast, precise autofocus powered by dual HLA (High-response Linear Actuator) motors Professional durability dust- and splash-resistant build with water- and oil-repellent coating Pro-grade controls aperture ring with lock, click/de-click switch, and dual AFL buttons Studio-ready with Arca-Swiss compatible magnesium alloy tripod socket Large Bokeh for Powerful Expression The Sigma 135mm F1.4 DG | Art is designed to create dreamlike portraits with dimensional depth. Immense aperture diameter: Produces bokeh larger than Sigmas legendary 105mm F1.4, rivaling even the Sigma 200mm F2 Sports lens. Natural 135mm perspective: Perfect balance between compression and working distance for flattering subject rendering. 13-blade diaphragm: Ensures smooth, circular bokeh across the frame, even at wide open. This lens is engineered for photographers who want portraits with a true three-dimensional feel. Precision Optics for Exquisite Detail Every detail is rendered with exceptional clarity, even wide open: 4 FLD elements + high-dispersion glass eliminate axial chromatic aberration common in large-aperture telephotos. Floating focus system independently moves two focus groups for consistent resolution at all distances. Minimal flare & ghosting advanced simulations and Sigmas Super Multi-Layer Coating ensure crisp images in backlit conditions. The result? Portraits that capture both the sharpest detail and the smoothest defocus. Fast, Accurate Autofocus Dual HLA System To complement its optical brilliance, the 135mm F1.4 employs Sigmas latest dual HLA autofocus technology: Two separate HLAs drive each focus group independently. Delivers high thrust and precision, essential for large-aperture telephoto lenses. Fast, reliable, and near-silent ensuring fleeting expressions are never missed. Professional Build & Functions The Sigma 135mm F1.4 DG | Art is designed to be a long-term professional tool: Dual AFL buttons assignable to custom functions on compatible L-Mount cameras. Aperture ring with lock + click/de-click switch ideal for both stills and video workflows. Dust- and splash-resistant construction with a water- and oil-repellent front coating. Premium build quality: Aluminium, magnesium alloys, and TSC materials ensure both strength and manageability. Studio & On-Location Ready For extended sessions and precision work, the lens comes with: Arca-Swiss compatible magnesium tripod socket lightweight yet robust for studio stability. Supplied protective cover replace the socket for handheld use. Carbon-fibre reinforced lens hood with button-lock secure and durable protection. Whether in the studio or outdoors, the lens is built for absolute reliability. Technical Specifications (L-Mount Version) Lens construction: 17 elements in 13 groups (4 FLD, 2 aspherical) Angle of view: 18.2 Aperture range: F1.4 F16 Diaphragm blades: 13 (rounded) Minimum focusing distance: 110cm Maximum magnification ratio: 1:6.9 Filter size: 105mm Dimensions: 111.7mm (diameter) 135.5mm (length) Weight: 1,430g Supplied Accessories Lens Hood: LH1126-01 (carbon-fibre reinforced) Front Cap: LCF-105 IV Rear Cap: LCR III (L-Mount) Tripod Socket: TS-181 (Arca-Swiss compatible) Protective Cover: PT-61 Shoulder Strap & Pouch Product Details Product Name: Sigma 135mm F1.4 DG | Art Mount: L-Mount Product Code: 0085126 241698 Launch Date: September 2025 Why Choose the Sigma 135mm F1.4 DG | Art (L-Mount)? This lens is a game-changer for portrait photographers using Leica, Panasonic, or Sigma full-frame L-Mount cameras. With unmatched F1.4 brightness, beautiful bokeh, and pro-grade handling, its the definitive lens for: Portraiture and fashion Weddings and events Fine-art photography Low-light creative shooting Studio and location work The Sigma 135mm F1.4 DG | Art redefines whats possible with a portrait lens delivering expressive power and professional precision like no other.