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18-50mm F2.8 DC DN | Contemporary

$729.95
UGC C1850DCDNSE
Mount
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Stunning versatility.

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*, 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 for various shooting situations, as well as an ultra-compact option for full-frame bodies**.

  • Smallest and lightest F2.8 zoom for APS-C mirrorless
  • Full-frame equivalent zoom range of 27-75mm
  • High-speed autofocus with stepping motor
  • Compatible with lens aberration correction
  • Minimum focusing distance of just 12.1cm
  • Mount with dust and splash-resistant structure
  • High-precision, durable brass bayonet mount
  • Designed to minimize flare and ghosting

Specifications


Lens Construction
10 groups, 13 elements (1 SLD and 3 Aspherical lenses)
Angle of View
76.5° (W) - 31.7° (T)
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
55mm
Dimensions (Diameter x Length)
L-Mount
φ65.4mm×74.5mm / φ2.6in.×2.9in.
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.
Sony E-Mount
290g / 10.2oz.
Supplied Accessories
Petal Type Hood (LH582-02) supplied.
Corresponding AF Mounts / Barcode No.
L-Mount
00-85126-58569-3
Sony E-Mount
00-85126-58565-5

Lens Construction

Diffraction MTF

Geometrical MTF