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CONTEMPORARY
18-50mm F2.8 DC DN

Available mounts

  • L-Mount
  • Canon RF Mount
  • FUJIFILM X Mount
  • Sony E-mount
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  • Camera Type

    Mirrorless
  • Corresponding Mount

    L-Mount,Canon RF Mount,FUJIFILM X Mount,Sony E-mount
  • Sensor Format

    APS-C [DC]
  • Lens Construction

    10 groups, 13 elements (1 SLD and 3 aspherical lenses)

  • Angle of View

    L-Mount:76.5°(W)-31.7°(T)

    Canon RF Mount:73.4°(W)-30.0°(T)

    FUJIFILM X Mount:76.5°(W)-31.7°(T)

    Sony E-mount:76.5°(W)-31.7°(T)

  • Number of Diaphragm Blades

    7 (rounded diaphragm)

  • Minimum Aperture

    F22

  • Minimum Focusing Distance

    12.1(W)-30(T)cm / 4.8(W)-11.9(T)in.

  • Maximum Magnification Ratio

    1:2.8(W)-1:5(T)

  • Filter Size

    φ55mm

  • Dimensions (Diameter × Length)

    L-Mount:φ65.4mm × 74.5mm / φ2.6in. × 2.9in.

    Canon RF Mount:φ69.2mm × 74.5mm / φ2.7in. × 2.9in.

    FUJIFILM X Mount:φ61.6mm × 76.8mm / φ2.4in. × 3.0in.

    Sony E-mount:φ61.6mm × 76.5mm / φ2.4in. × 3.0in.

    *The length of a lens is measured from the filter surface to its mount.

  • Weight

    L-Mount:290g / 10.2oz.

    Canon RF Mount:300g / 10.6oz.

    FUJIFILM X Mount:285g / 10.1oz.

    Sony E-mount:290g / 10.2oz.

  • Edition Number

    C021

    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

    LENS HOOD LH582-02
    FRONT CAP LCF-55mm III
    REAR CAP LCR II

  • Mount / Product Barcode

    L-Mount:00-85126-58569-3
    Canon RF Mount:00-85126-58572-3
    FUJIFILM X Mount:00-85126-58575-4
    Sony E-mount:00-85126-58565-5
  • * L-Mount is a registered trademark of Leica Camera AG.
    * Sony E-mount 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.
    * Canon RF Mount is developed, manufactured and sold under license from Canon Inc.

  • Large F2.8 aperture and superb image quality

    The Sigma 18-50mm F2.8 DC DN | Contemporary covers 27mm to 75mm in the 35mm format, and has a wide aperture of F2.8 throughout the entire zoom range. This makes it easy to achieve blurry backgrounds, which is ideal for shooting attractive portraits and close-ups. The bokeh is smooth and attractive so doesn’t distract from the in-focus subject.

    The lens’s three high-precision glass-molded aspherical elements coupled with the minimization of the total number of elements yields superb optical quality without excessive weight, and the use of in-camera aberration correction further eliminates optical imperfections such as distortion and vignetting. This has all been made possible by the latest optical design technology at Sigma’s only production base in Aizu, where all Sigma lenses are built.
  • Exceptionally compact and lightweight body ideal for mirrorless cameras

    The Sigma 18-50mm F2.8 DC DN | Contemporary is remarkably compact, matching the portability of APS-C mirrorless camera bodies. This makes it a perfect workhorse lens that is ideal for general day-to-day use. The lens is currently the smallest and lightest in its class*1, boasting a maximum diameter of φ65.4mm, a length of 74.5mm and weight of 290g*2, yet still maintains a constant aperture of F2.8.

    To keep the lens as light as possible, Sigma constructed the body from carefully selected materials. A polycarbonate called Thermally Stable Composite (TSC) was used for the construction of the barrel, which is sleek, robust, and importantly has a thermal conductivity close to that of aluminum. This ensures stable performance and good operability when used in changing temperatures. By deliberately using metal for some of the internal structure, the parts could be much thinner and have a higher rigidity, ensuring the lens can stand up to frequent, heavy use.

    *1 As an AF compatible, F2.8 constant aperture zoom lens for APS-C (as of October 2021, by Sigma)
    *2 The values are for L-Mount.

  • Supports various shooting situations

    The Sigma 18-50mm F2.8 DC DN | Contemporary has fast and near-silent AF that makes it perfectly suited to a range of photographic applications, including shooting in quiet environments, recording videos and capturing fast-moving subjects. This has been achieved by using a stepping motor as the AF actuator. Since it is small and lightweight, it can be used flexibly in situations such as handheld shooting, which requires high mobility, gimbal shooting, one-man operation video shooting and vlogging.

    Combined with the “Pocketable Full-Frame” Sigma fp, the total weight is only 712g, and it can also be useful as a sub-lens for full-frame cameras (used in crop mode) to keep weight down. The 18-50mm F2.8 DC DN | Contemporary, which combines compactness, light weight, high performance, and large aperture, supports a variety of shooting situations, from introductory single-lens mirrorless cameras to video shooting and combination with full-frame cameras.
  • About the minimum focusing distance

    With an emphasis on making the lens as versatile as possible in a wide variety of shooting conditions, Sigma designed the lens with a minimum focusing distance of 12.1cm and maximum magnification of 1:2.8*, making it also ideal for close-ups.

    *The minimum focusing distance and maximum magnification are both values at the wide end. Remove the lens hood from the lens before use when photographing at the minimum focusing distance at the wide-angle end.
  • Examples of the lens used in combination with full-frame cameras in APS-C format

    SIGMA fp L

    Camera Effective Pixels Approx. 61 MP

    Crop Setting : 6.2K crop

    (Equivalent to approx.1.5 the focal length of the lens)

    Still image Recording Pixels : 6,240 × 4,144

    Movie Recording Pixels : 3,840 x 2,160 (UHD 4K)

    SIGMA fp

    Camera Effective Pixels Approx. 24.6 MP
    Crop Setting : APS-C crop
    (Equivalent to approx.1.5 the focal length of the lens)
    Still image Recording Pixels : 3,840 × 2,560
    Movie Recording Pixels : 3,840 x 2,160 (UHD 4K)

  • Lens construction

    SLD glass

    Aspherical lens

  • MTF CHART

    DIFFRACTION MTF

    DIFFRACTION MTF

    GEOMETRICAL MTF

    GEOMETRICAL MTF

    • Spatial frequency

      S:Sagittal Line

      M:Meridional Line

    • 10lp/mm

    • 30lp/mm

  • Lens construction: 13 elements in 10 groups
  • Compatible with high-speed autofocus
  • Support DMF and AF+MF
  • Petal type lens hood(LH582-02)
  • Compatible with Sigma USB DOCK UD-11(sold separately / for L-Mount only)
  • Designed to minimize flare and ghosting
  • Every single lens undergoes Sigma’s proprietary MTF measuring system
  • 7-blade rounded diaphragm
  • High-precision, durable brass bayonet mount
    • Camera

      SIGMA fp L

    • Shutter Speed

      1/1250s

    • Lens F Number

      F2.8

    • ISO

      100

    • Focal Length

      18mm

    • Photographer

      Aya Iwasaki

    • Camera

      SIGMA fp L

    • Shutter Speed

      1/250s

    • Lens F Number

      F4.5

    • ISO

      100

    • Focal Length

      50mm

    • Photographer

      Aya Iwasaki

    • Camera

      SONY α6600

    • Shutter Speed

      1/800s

    • Lens F Number

      F4

    • ISO

      100

    • Focal Length

      50mm

    • Photographer

      Damien Dohmen

    • Camera

      SONY α6600

    • Shutter Speed

      1/500s

    • Lens F Number

      F4

    • ISO

      100

    • Focal Length

      50mm

    • Photographer

      Damien Dohmen

    • Camera

      SONY α6500

    • Shutter Speed

      1/200s

    • Lens F Number

      F2.8

    • ISO

      250

    • Focal Length

      28.4mm

    • Photographer

      Hsu Wu Te

    • Camera

      SONY α6600

    • Shutter Speed

      1/1250s

    • Lens F Number

      F7.1

    • ISO

      400

    • Focal Length

      40.5mm

    • Photographer

      Jim Koepnick

    • Camera

      SONY α6600

    • Shutter Speed

      1/250s

    • Lens F Number

      F5.6

    • ISO

      500

    • Focal Length

      50mm

    • Photographer

      Jim Koepnick

    • Camera

      SONY α7R IV

    • Shutter Speed

      1/125s

    • Lens F Number

      F5

    • ISO

      640

    • Focal Length

      25.5mm

    • Photographer

      Kazuyuki Hagiwara

    • Camera

      Canon EOS R

    • Shutter Speed

      1/320s

    • Lens F Number

      F2.8

    • ISO

      100

    • Focal Length

      18mm (28.8mm in the 35mm format)

    • Photographer

      Etsuko Aimu

    • Camera

      Canon EOS R

    • Shutter Speed

      1/2000s

    • Lens F Number

      F2.8

    • ISO

      100

    • Focal Length

      35mm (56mm in the 35mm format)

    • Photographer

      Etsuko Aimu

    • Camera

      Canon EOS R

    • Shutter Speed

      1/4000s

    • Lens F Number

      F4.5

    • ISO

      100

    • Focal Length

      19mm (30.4mm in the 35mm format)

    • Photographer

      Etsuko Aimu

    • Camera

      Canon EOS R5

    • Shutter Speed

      1/1250s

    • Lens F Number

      F3.5

    • ISO

      100

    • Focal Length

      18mm (28.8mm in the 35mm format)

    • Photographer

      Taichi Kozawa

    • Camera

      Canon EOS R5

    • Shutter Speed

      1/800s

    • Lens F Number

      F7.1

    • ISO

      100

    • Focal Length

      50mm (80mm in the 35mm format)

    • Photographer

      Taichi Kozawa

    • Camera

      Canon EOS R5

    • Shutter Speed

      1/166s

    • Lens F Number

      F2.8

    • ISO

      400

    • Focal Length

      50mm (80mm in the 35mm format)

    • Photographer

      Taichi Kozawa

    • Camera

      Canon EOS R5

    • Shutter Speed

      1/1250s

    • Lens F Number

      F2.8

    • ISO

      200

    • Focal Length

      18mm (28.8mm in the 35mm format)

    • Photographer

      Taichi Kozawa

    • Camera

      SIGMA fp

    • Shutter Speed

      1/100s

    • Lens F Number

      F2.8

    • ISO

      800

    • Focal Length

      50mm

    • Photographer

      Hsu Wu Te

    • Camera

      SONY α6500

    • Shutter Speed

      1/400s

    • Lens F Number

      F5.6

    • ISO

      200

    • Focal Length

      18mm

    • Photographer

      Andrew Stripp

    • Camera

      SONY α6500

    • Shutter Speed

      1/125s

    • Lens F Number

      F8

    • ISO

      400

    • Focal Length

      50mm

    • Photographer

      Andrew Stripp

    • Camera

      SONY α7R IV

    • Shutter Speed

      1/100s

    • Lens F Number

      F2.8

    • ISO

      100

    • Focal Length

      50mm

    • Photographer

      Kazuyuki Hagiwara

    • Camera

      Canon EOS R

    • Shutter Speed

      1/4000s

    • Lens F Number

      F2.8

    • ISO

      100

    • Focal Length

      50mm (80mm in the 35mm format)

    • Photographer

      Etsuko Aimu

    • Camera

      Canon EOS R

    • Shutter Speed

      1/4000s

    • Lens F Number

      F2.8

    • ISO

      100

    • Focal Length

      50mm (80mm in the 35mm format)

    • Photographer

      Etsuko Aimu

    • Camera

      Canon EOS R

    • Shutter Speed

      1/2000s

    • Lens F Number

      F2.8

    • ISO

      800

    • Focal Length

      18mm (28.8mm in the 35mm format)

    • Photographer

      Etsuko Aimu

Stunning versatility.

A large F2.8 aperture zoom lens that need never leave your camera
This exceptionally small, light and bright standard zoom
for crop-sensor mirrorless cameras is the ultimate workhorse lens.

Sigma’s first APS-C size mirrorless zoom lens has a versatile full-frame equivalent zoom range of 27-75mm, which makes it ideal for a wide range of photo and video applications including landscapes, portraits, street photography, architecture and events. It can also be used for macro-style close-up photography owing to its maximum magnification of 1:2.8*1, which allows a minimum focusing distance of just 12.1cm. In terms of its bright F2.8 aperture, it makes for easier hand-held low-light shooting and provides a shallow depth-of-field for high-impact results.

Autofocus is exceptionally fast and quiet thanks to the stepping motor, which can be particularly useful when shooting video, or fast-moving subjects such as children and animals. The lens’ exceptionally small and light form factor that weighs less than 300g makes it perfect as a first interchangeable lens, and as a sub-lens for full-frame bodies *2, as well as for various shooting situations.

*1 The minimum focusing distance and maximum magnification ratio are both values at the wide end.
*2 Please switch to APS-C crop mode when used on full-frame cameras.

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