Sigma 50mm f1.4 DG DN Art - L Mount - 1364647
Features
- High optical performance in a compact package
- This lens has been designed to be compact and versatile and is recommended for a wide range of users, from professionals who demand high-quality optics and performance to newcomers stepping up to their first Art prime.
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HLA Autofocus. "HLA (High-response Linear Actuator)" AF system achieves high speed, quiet autofocusing, and high tracking performance, and the focus group is lightweight.
- Despite its large aperture, it is lightweight, and high-speed, high-tracking AF ensures reliable operation.
- The fast, yet quiet AF is also ideal for movie shooting.
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Build quality aimed to create a sense of unity with the existing DG DN Art F1.4 lineup - In order to unify the look and feel of the lens with the existing DG DN Art F1.4 lens range (20mm, 24mm, 35mm 85mm), features such as the aperture ring click switch, aperture lock switch, and hood with lock button have been retained. There have been no compromises in the attention to detail to all
What our Experts Think
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Next-gen “Art” performance for mirrorless
Designed specifically for full-frame mirrorless systems, delivering top-tier sharpness and contrast across the entire frame—even at f/1.4.
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Outstanding edge-to-edge image quality
Advanced 14-element optical design effectively minimizes aberrations, ensuring crisp detail from center to corners.
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Fast, precise autofocus with HLA motor
High-response Linear Actuator (HLA) provides quick, silent, and accurate focusing—ideal for both photo and video work.
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Beautiful, natural bokeh
11 rounded diaphragm blades produce smooth, creamy background blur—perfect for portraits and subject isolation.
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Compact for its class
Compared to older DSLR Art lenses, this version is noticeably slimmer and better balanced for modern mirrorless bodies.
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Built for professional use
Dust and splash-resistant construction, aperture ring (with de-click), and customizable controls enhance usability in demanding environments.
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True all-rounder focal length
The classic 50mm field of view makes it ideal for portraits, street, low-light, and everyday shooting
Q&A
Q: What is the Sigma 50mm f/1.4 DG DN Art (L-Mount) best used for?
A: It’s a premium mirrorless prime lens ideal for portraits, street photography, weddings, and low-light shooting, offering a natural perspective with strong subject separation.
Q: What image quality does this lens deliver?
A: Expect exceptional sharpness across the frame, minimal aberrations, and smooth, creamy bokeh thanks to advanced optics and an 11-blade rounded diaphragm.
Q: Is this lens compatible with my camera?
A: It’s designed for full-frame mirrorless cameras using the L-Mount system (also available for Sony E-mount).
Q: How is the autofocus performance?
A: Features a High-response Linear Actuator (HLA) for fast, accurate, and near-silent autofocus—great for both photography and video.
Q: Is it suitable for low-light photography?
A: Yes, the fast f/1.4 aperture allows excellent light capture and shallow depth-of-field, making it ideal for night and indoor shooting.
Q: What are the key specifications?
A: 50mm focal length, f/1.4–f/16 aperture, 14 elements in 11 groups, 72mm filter size, 45cm minimum focus distance, and approx. 670g weight.
Q: Is the build quality professional-grade?
A: Yes, it features a dust- and splash-resistant design, aperture ring, and premium Art-series construction for durability and control.
Maintenance Tips
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Use Lens Hood + Cap
Always attach the supplied hood and caps to protect the 72mm front element from scratches, dust, and flare.
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Clean with Care (Coated Glass)
Use a blower + microfiber cloth only—this lens has advanced coatings that resist oil/water but can still be damaged by rough cleaning.
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Store Dry (Prevent Fungus)
Keep in the included case with silica gel—essential in humid climates to avoid internal fungus.
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Avoid Dust During Mounting
The lens has a complex 14-element optical design—minimize lens changes in dusty environments.
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Weather Resistance ≠ Waterproof
It’s dust/splash-resistant, not fully sealed—avoid heavy rain or water exposure.
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Protect AF & Aperture Ring
The HLA autofocus and clickable aperture ring are precision parts—avoid impact or forced rotation.
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Use Quality Filters (72mm)
A premium UV/protective filter helps guard the front element without degrading image quality.
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Check for Dust & Smooth Focus
Periodically inspect for internal dust or stiffness in focus/aperture rings to maintain sharpness and resale value.
