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20-60mm F2.8-4 DG

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  • Combining a dynamic 20mm perspective with exceptional agility
  • Uncompromising optical performance
  • Reliability for effortless shooting
Camera Type
Mirrorless
Corresponding Mount
L-Mount,Sony E-mount
Sensor Format
Full-frame [DG]
Lens Construction
15 elements in 13 groups (3 SLD, 3 aspherical elements)
Angle of View
L-Mount: 94.5°-39.6° Sony E-mount: 94.5°-39.6°
Number of Diaphragm Blades
9 (Rounded Diaphragm)
Minimum Aperture
F22-32
Minimum Focusing Distance
15.8cm / 6.3in. at f=28mm 20cm(W) - 25cm(T) / 7.9in.(W) - 9.9in.(T)
Maximum Magnification Ratio
1:2.3 at f=35mm
Filter Size
φ67mm
Dimensions (Diameter × Length)
L-Mount: φ72.2mm x 86.0mm / φ2.8in. x 3.4in. Sony E-mount: φ72.2mm x 88.0mm / φ2.8in. x 3.5in. *The length of a lens is measured from the front of the lens to its mount
Weight
L-Mount: 385g / 13.6oz. Sony E-mount: 375g / 13.2oz.
Edition Number
C026 The three-digit code on the surface of the lens is to indicate the year the lens was first released. (Since it is different from the year of manufacture, the release year and edition number may not match depending on the mount.)
Supplied Accessories
POUCH Lens Hood LH706-04 Front Cap LCF-67 IV Rear Cap LCR III
Mount / Product Barcode
L-Mount：00-85126-66669-9 Sony E-mount：00-85126-66665-1
Camera Compatibility
LINK

* L-Mount is a registered trademark of Leica Camera AG.
* This product is developed, manufactured and sold based on the specifications of E-mount which was disclosed by Sony Corporation under the license agreement with Sony Corporation.

20-60mm: Freedom to compose
From an expansive 20mm ultra-wide to a natural 60mm perspective, this lens delivers a wide range of expression in a versatile zoom. Capture everything from sweeping landscapes to everyday snapshots and portraits—without changing lenses. With a maximum aperture of F2.8 at 20mm, you can shoot confidently in low light environments such as indoors and nightscapes, while keeping ISO low.
Bringing 20mm into your everyday
Weighing just 385g*1, this 3x zoom achieves an incredibly compact design—remarkable for an ultra-wide lens starting at F2.8. Its slim form fits easily into any bag, making it ideal for everything from daily snapshots and travel to hiking and video creation. Experience full-frame rendering performance with unprecedented portability. *1. The figure is for L-Mount.
Consistent high optical performance across the entire zoom range
While prioritizing improved potability, no compromises have been made in image quality. The optical design—featuring 15 elements in 13 groups, including three aspherical lenses and three SLD glass elements—delivers consistent sharpness throughout the entire zoom range. From everyday scenes to breathtaking travel moments, it renders every detail with striking clarity.
Macro capabilities for versatile expression
Impressive close-up capability expands shooting versatility. With a minimum focusing distance of 15.8 cm at 28mm and a maximum magnification ratio of 1:2.3 at 35mm, this lens delivers richly detailed close-up images approaching half-macro performance. Even at the 60mm telephoto end, it maintains a high magnification of 1:2.9—ensuring a seamless shooting experience across the zoom range, allowing full focus on composition without concern for subject distance.
Designed to minimise flare and ghosting
Flare and ghosting, which reduce image quality, are addressed under all conditions of incident light, based on the most advanced simulation technology. High backlight resistance enables clear and sharp images under any lighting conditions.
Fast and quiet autofocusing with HLA system
A linear motor HLA (High-response Linear Actuator) is employed for the AF actuator, delivering high-speed autofocus with high-precision drive to capture decisive moments. It also offers outstanding tracking performance for fast-moving subjects, even at high frame rates. Engineered for modern hybrid shooting, it ensures seamless performance across stills and video.
Minimal focus breathing
The lens is designed to minimise changes in the angle of view caused by focusing, enabling smooth, natural-looking focus pulls when recording video.
Dust- and splash-resistant structure*1 / water- and oil-repellent coating
In addition to a dust- and splash-resistant structure , the frontmost surface of the lens has a water- and oil-repellent coating applied, allowing photographers to shoot without concern even in harsh outdoor environments. *1. The product is designed to be dust- and splash-resistant but is not waterproof. When using the lens near water, etc., take care not to allow large amounts of water to splash on it. If water gets inside the lens, it may cause a major malfunction.
Lens construction
SLD glass
Aspherical lens
Diffraction MTF
Diffraction MTF
Geometrical MTF
Geometrical MTF
MTF CHART GUIDE
: The MTF (Modulation Transfer Function) is one of the measurements for evaluating a lens’ performance, and it shows how faithfully the contrast of the subject can be reproduced on the image plane. The horizontal axis shows the image height (distance from the centre of the image in mm) and the vertical axis shows the contrast value (maximum value is 1). The closer the 10 line pairs/mm curve is to 1, the higher the contrast and clarity of the lens is, and similarly, the closer the 30 line pairs/mm curve is to 1, the better the resolution and sharpness of the lens is. *The MTF chart depicts the result at the wide-open aperture. *For mirrorless lenses that support distortion correction, the horizontal axis shows the image height equivalent to when an L-Mount lens is attached to a Sigma L-Mount camera with distortion correction applied. (The effect of distortion correction may differ depending on the mount and camera used.) *The spatial frequency indicates the variation on the image plane before distortion correction is performed.
Mount Conversion Service available
Support for switching between linear and non-linear focus ring settings (for L-Mount only) +
Compatible with Sigma USB Dock UD-11 (sold separately / for L-Mount only)
Every single lens undergoes Sigma’s proprietary MTF measuring system
Sample image taken with the Sigma 20-60mm F2.8-4 DG Contemporary by Kayoko Nemoto
Camera
Sigma fp
Shutter Speed
1/60s
Lens F Number
F4
ISO
100
Focal Length
60mm
Photographer
Kayoko Nemoto
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Sample image taken with the Sigma 20-60mm F2.8-4 DG Contemporary by Kayoko Nemoto
Camera
Sigma fp
Shutter Speed
1/1600s
Lens F Number
F3.7
ISO
100
Focal Length
35mm
Photographer
Kayoko Nemoto
DOWNLOAD
Sample image taken with the Sigma 20-60mm F2.8-4 DG Contemporary by Kayoko Nemoto
Camera
Sigma fp
Shutter Speed
1/160s
Lens F Number
F3.7
ISO
100
Focal Length
35mm
Photographer
Kayoko Nemoto
DOWNLOAD
Sample image taken with the Sigma 20-60mm F2.8-4 DG Contemporary by Kayoko Nemoto
Camera
Sigma fp
Shutter Speed
1/320s
Lens F Number
F2.8
ISO
100
Focal Length
20mm
Photographer
Kayoko Nemoto
DOWNLOAD
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