World’s Brightest Full-Frame Zoom Lens — Sigma 28-45mm f/1.8 DG DN Art (Sony E)

Step into a new era of full-frame photography and videography with the Sigma 28-45mm f/1.8 DG DN Art Lens for Sony E-mount. As the world’s first full-frame zoom lens to maintain an f/1.8 aperture throughout the entire zoom range, it delivers prime-like sharpness, exceptional low-light performance, and a design tailored for both photographers and filmmakers. Whether you’re capturing breathtaking portraits, cinematic videos, or immersive landscapes, this lens combines speed, precision, and artistic expression like no other.

Unmatched Design & Optical Performance

Sigma has meticulously engineered this lens with 18 elements in 15 groups, including three aspherical and five Special Low Dispersion (SLD) elements. This sophisticated structure minimizes aberrations, flare, and ghosting to deliver crisp detail and accurate color reproduction.

The f/1.8 maximum aperture unlocks stunning subject isolation and buttery-smooth bokeh thanks to an 11-blade rounded diaphragm, while maintaining excellent edge-to-edge sharpness. Even in tight spaces, the lens excels, offering a minimum focusing distance of 11.9 inches and a 1:4 magnification ratio at 45mm.

Built for Professional Video Creation

More than just a stills lens, the Sigma 28-45mm f/1.8 DG DN Art is optimized for modern video workflows:

• Internal Zoom Design: Keeps lens length consistent for stable gimbal use.
• Suppressed Focus Breathing: Ensures smooth, cinematic focus transitions.
• HLA Autofocus: Delivers fast, silent, and precise focusing—ideal for run-and-gun shooters.
• Manual Focus Enhancements: Click and lock mechanisms offer better control for filmmakers.

This lens is a versatile companion for hybrid shooters who demand professional-grade performance in both photography and videography.

Rugged Build for Real-World Conditions

From dusty deserts to rainy streets, Sigma has equipped this lens with dust- and splash-resistant sealing, water- and oil-repellent coatings, and a durable brass bayonet mount. It’s designed to withstand demanding environments without compromising optical quality.

What’s in the Box

• Sigma 28-45mm f/1.8 DG DN Art Lens (Sony E)
• Lens Hood
• Sigma LCF-82 III 82mm Lens Cap
• Sigma LCR II Rear Lens Cap for Sony E
• Limited 4-Year Manufacturer Warranty
• User Manual

Frequently Asked Questions (FAQs): Sigma 28-45mm f/1.8 DG DN Art lens

Q1: What makes the Sigma 28-45mm f/1.8 DG DN Art lens unique?

It is the world’s first full-frame zoom lens with a constant f/1.8 aperture and delivers prime-level image quality.

Q2: Is this lens suitable for professional video work?

Absolutely. The internal zoom, suppressed focus breathing, and quiet, precise HLA autofocus make it perfect for filmmakers, vloggers, and hybrid shooters.

Q3: Does the lens support autofocus on all Sony E-mount cameras?

Yes, it’s fully compatible with Sony full-frame and APS-C E-mount cameras, delivering fast and accurate autofocus performance.

Q4: How weather-resistant is this lens?

The lens features dust- and splash-resistant construction, along with protective coatings on the front element, making it suitable for challenging outdoor conditions.

Q5: Can this lens replace multiple primes in my kit?

Yes, the 28–45mm focal range, combined with the bright f/1.8 aperture, gives you prime-like quality across multiple focal lengths—reducing the need to carry multiple lenses.