Sigma 20-200mm f3.5-6.3 DG Contemporary Lens for Sony E

The Sigma 20-200mm f3.5-6.3 DG Lens is the world’s first 10x zoom lens starting at 20mm, covering an exceptional wide-to-telephoto 20-200mm range. With 18 optical elements in 14 groups, HLA autofocus, 1:2 macro reproduction, and a 16.5cm minimum focus, the DG lens delivers sharp detail and smooth bokeh in a compact 540g build. Refined for travel, events, and everyday shooting, it features a dust- and splash-resistant design, along with a practical zoom lock switch.

Sigma 20-200mm f3.5-6.3 DG Lens Key Features:

• World’s first 20-200mm 10x zoom designed for full-frame mirrorless systems
• Expansive focal range in a single extendable lens, starting at ultra-wide 20mm
• Suitable for landscapes, travel, events, portraits, sports and everyday photography
• Variable f3.5-6.3 aperture balances brightness with compact lens design
• Optical construction of 18 elements arranged in 14 groups for high performance
• Includes 1 FLD, 3 SLD and 4 aspherical elements for aberration and distortion control
• Front element treated with water- and oil-repellent coating for clear image capture
• 9 rounded diaphragm blades create smooth, natural background blur and bokeh
• 16.5cm min. focus distance at 28mm with 1:2 macro reproduction between 28–85mm
• HLA linear motor ensures fast, precise and quiet autofocus for videography
• Focus mode switch and zoom lock switch support flexible handling in the field
• Dust- and splash-resistant structure for reliable outdoor shooting conditions
• 72mm filter thread, compatible with Sigma WR protectors and polarising filters
• Extendable lens measures 117.5 mm in length with a lightweight 540g build

Zoom Range and Design

The Sigma 20-200mm f3.5-6.3 DG Contemporary is the first zoom lens for full-frame mirrorless cameras to combine an ultra-wide 20mm starting point with a 10x zoom ratio. This breakthrough delivers an unmatched focal range in one lens, giving photographers more freedom to frame subjects without changing equipment. From expansive interiors to far-off action, it replaces multiple lenses in a single package. By unifying this reach, it simplifies a photographer’s kit and maximises flexibility. Its 94.5° to 12.3° angle of view covers nearly every situation for stills and video. This market-first design positions it as a landmark option for photographers seeking one solution to cover almost any scenario.

Standout Features

At its core, the lens’s standout innovation is the continuous 20-200mm range. The ability to begin at 20mm opens up perspectives not possible with conventional superzooms, which typically start at 24mm or longer. This wider coverage is particularly valuable when shooting architecture, cityscapes, or group portraits in confined spaces. Transitioning smoothly to 200mm extends its versatility into distant wildlife, candid events, and compressed telephoto views. The constant access to both ends of the spectrum makes this lens not only flexible but also efficient in dynamic environments. For photographers who want maximum scope in a compact unit, it stands as Sigma’s most ambitious Contemporary zoom.

Optical Performance

The Sigma 20-200mm f3.5-6.3 DG Lens features an optical design of 18 elements arranged in 14 groups, striking a balance between image quality and compactness. The construction houses four aspherical lenses, all contributing to a slim profile and distortion suppression. One FLD and three SLD elements further reduce chromatic aberrations and maintain clarity across the frame, even at wider focal lengths. High-refractive-index materials limit internal movement during zooming, supporting both precision and portability. Coating technology minimises flare and ghosting, preserving contrast in backlit scenes or intense lighting. This carefully engineered system ensures that sharpness and tonal accuracy are maintained consistently from the ultra-wide end through to full telephoto.

Close Focusing and Aperture

The lens supports close-up creativity with a maximum magnification ratio of 1:2 between 28mm and 85mm focal lengths. At 28mm, it can focus down to just 16.5cm, enabling striking wide-angle close-ups that blend subject and environment. At 200mm, the minimum focus distance extends to 65cm, offering comfortable working room for tighter compositions. The variable f3.5-6.3 aperture helps maintain a compact build while still offering subject separation and light-gathering power. A rounded 9-blade diaphragm ensures attractive out-of-focus areas, lending natural bokeh to portraits and macro-style work. Combined, these qualities make it as capable for detail-rich close-ups as it is for broader scenes.

Handling and Durability

Autofocus is powered by Sigma’s HLA (High-response Linear Actuator) motor, delivering speed, accuracy, and near-silent operation that suits both stills and video. A zoom lock switch at the 20mm position prevents unwanted extension during transportation and can be disengaged simply by rotating the zoom ring. The lens body incorporates a focus mode switch for quick changes between AF and MF, supporting greater control in diverse conditions. Weather protection is achieved with a dust- and splash-resistant structure, while the front element carries a water- and oil-repellent coating to keep the surface clear. Despite its wide range, the lens measures just 117.5mm in length with a slim diameter of 77.2 mm. At just 540g, it offers an impressive combination of reach, features, and portability.

What’s in the box?

• 1 x Sigma 20-200mm f3.5-6.3 DG Lens - Sony E Mount
• 1 x Lens Hood LH756-02
• 1 x Front Cap LCF-72 IV
• 1 x Rear Cap LCR III
• 1 x Pouch

FAQs:

Does the Sigma 20-200mm f3.5-6.3 DG lens feature weather sealing?

The lens is constructed with a dust- and splash-resistant design, and the front element features a water- and oil-repellent coating. While this makes it well-suited to outdoor use, it is not fully waterproof and should not be submerged.

How close can I focus the Sigma 20-200mm f3.5-6.3 DG Lens at different focal lengths?

The lens focuses as close as 16.5 cm at 28mm, enabling dramatic perspectives and strong subject emphasis. Across the extremes of the zoom, the minimum focusing distance ranges from 25cm at the wide end to 65cm at the tele end. Between 28–85mm, you can achieve a 1:2 reproduction ratio for detailed half-macro images without the need for accessories.

What does ‘1:2 macro reproduction’ refer to?

A 1:2 macro ratio means the lens can reproduce subjects at half their actual size on the camera’s sensor. For instance, a 2cm object will appear as 1cm on the sensor. While a dedicated 1:1 macro lens provides life-size reproduction, a 1:2 lens still offers detailed close-ups suitable for subjects like flowers, food, and small objects, especially when paired with a minimum focusing distance of 16.5 cm.

How does the Sigma 20-200mm f3.5-6.3 DG Lens zoom lock work in the field?

You can lock the Sigma DG Lens at the wide end to stop it extending under its own weight while walking or when packed. The lock releases via the switch or simply by twisting the zoom ring, which speeds up spontaneous shooting when a scene appears suddenly. It’s a small control that makes day-to-day use notably smoother in travel scenarios.

What is the filter size of the Sigma 20-200mm f3.5-6.3 DG Lens?

The lens uses a φ72mm filter thread, making it compatible with a wide range of circular filters such as UV, polarising, or protective filters. Sigma also offers dedicated WR filters and protectors in this size.

Why is the lens’s minimum aperture listed as f22-40?

As this is a variable-aperture zoom, the minimum aperture changes across the range. At the wide end, you can stop down to around f22, and towards the telephoto end, it closes further to about f40. This feature is standard for compact super-zooms, and exposure displays on the camera will update automatically as you zoom.