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Sigma Canon RF mount Ultra-wide zoom

Sigma 18-50mm f/2.8 DC DN Contemporary

Quick answer

The Sigma 18-50mm f/2.8 DC DN Contemporary is a ultra-wide to standard zoom lens covering 18-50mm at f/2.8 for the Canon RF mount. Its bright maximum aperture handles indoor and evening light reasonably well.

Focal
18–50mm
Aperture
f/2.8–22
Weight
300g
Filter
55mm
AF motor
Stepping motor

What 18-50mm sees

APS-C crop 1.6× → 29–80mm
30.3–73.8° 25.4–64° horizontal

Diagonal angle of view. Frames drawn to scale at 18mm (and 50mm). Calculated from the focal length and crop factor, not measured.

Open the field-of-view calculator

Sigma 18-50mm f/2.8 DC DN Contemporary specifications

Optics

Focal length
18-50mm
Maximum aperture
f/2.8
Minimum aperture
f/22
Format coverage
APS-C
Aperture blades
7

Focus

Autofocus motor
Stepping motor
Maximum magnification
0.36×

Physical

Filter thread
55 mm
Weight
300 g
Length
74.5 mm
Diameter
69.2 mm

General

Brand
Sigma
Mount
Canon RF
Lens type
Zoom
Released
2021

Specification source: sigma-global.com

What can you shoot with the Sigma 18-50mm f/2.8 DC DN Contemporary?

At 18-50mm this is a ultra-wide to standard zoom, which typically suits:

  • Landscapes and big skies
  • Architecture and interiors
  • Astrophotography and night skies
  • Landscapes and cityscapes
  • Street and travel photography

Its bright maximum aperture handles indoor and evening light reasonably well.

Frequently asked questions

What mount does the Sigma 18-50mm f/2.8 DC DN Contemporary use?

It uses the Canon RF mount, so it fits Canon RF cameras directly.

What is the focal length of the Sigma 18-50mm f/2.8 DC DN Contemporary?

It zooms across 18-50mm with a maximum aperture of f/2.8. That makes it a ultra-wide to standard lens.

Is the Sigma 18-50mm f/2.8 DC DN Contemporary a prime or a zoom lens?

It is a zoom lens covering 18-50mm, so you can reframe without moving. Its maximum aperture is f/2.8.

What is the Sigma 18-50mm f/2.8 DC DN Contemporary equivalent on a crop sensor?

On APS-C (1.6x crop) it frames like 29–80mm on full frame, with a 25.4–64° horizontal and 30.3–73.8° diagonal field of view. These figures are calculated from the focal length and crop factor.

Which cameras does the Sigma 18-50mm f/2.8 DC DN Contemporary fit?

Any Canon RF-mount camera, including Canon EOS R, Canon EOS R1, Canon EOS R10, Canon EOS R100, and Canon EOS R3 and 13 more.

Alternatives for Canon RF from other brands

All Canon RF lenses

Same mount, overlapping focal range, closest maximum aperture first.

More Sigma lenses for Canon RF

All Sigma lenses

Other 18-50mm lenses

Browse by focal length: 18mm lenses, 50mm lenses

Cameras that fit the Canon RF mount

All Canon RF cameras (18)