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Sigma lens for Canon, Sony and Fujifilm

Sigma 18-50mm F2.8 DC DN Contemporary

18–50 mm, f/2.8, made for APS-C. It mounts natively on 26 of our APS-C cameras across 3 mounts; on the EOS R50 it frames like 29–80 mm.

  • 18–50 mm · 29–80 mm equiv. on EOS R50
  • f/2.8
  • 55 mm filter
  • 300 g (Canon) · 290 g (Sony) · 290 g (Fujifilm)
74.5 mm long69.2 mm55 mm filter thread
Drawn from Sigma's published size for the Canon RF version: 69.2 × 74.5 mm, at its shortest. Details simplified.

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Canon RF version on AmazonSony E version on AmazonFujifilm X version on Amazon

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On your camera

The view, the weight with the camera (battery and card included) and what the maker says about each pair. Sigma makes this lens for each mount; Sigma publishes the cameras it supports and lens firmware updates on its own site.

Every camera in our catalogue this lens mounts on: 26
CameraView (35 mm equiv.)With the cameraFit and maker's notes
Canon EOS R10029–80 mm656 gFits and works
Native mount: it fits and works.
  • Neither the lens nor the camera is stabilised; use a faster shutter speed or a support.
Canon EOS R5029–80 mm675 gFits and works
Native mount: it fits and works.
  • Neither the lens nor the camera is stabilised; use a faster shutter speed or a support.
Canon EOS R50 V29–80 mm670 gFits and works
Native mount: it fits and works.
  • Neither the lens nor the camera is stabilised; use a faster shutter speed or a support.
Canon EOS R1029–80 mm729 gFits and works
Native mount: it fits and works.
  • Neither the lens nor the camera is stabilised; use a faster shutter speed or a support.
Canon EOS R729–80 mm912 gFits and works
Sony a600027–75 mm634 gFits and works
Native mount: it fits and works.
  • Neither the lens nor the camera is stabilised; use a faster shutter speed or a support.
Sony a610027–75 mm686 gFits and works
Native mount: it fits and works.
  • Neither the lens nor the camera is stabilised; use a faster shutter speed or a support.
Sony a640027–75 mm693 gFits and works
Native mount: it fits and works.
  • Neither the lens nor the camera is stabilised; use a faster shutter speed or a support.
Sony a660027–75 mm793 gFits and works
Sony a670027–75 mm783 gFits and works
Sony ZV-E1027–75 mm633 gFits and works
Native mount: it fits and works.
  • Neither the lens nor the camera is stabilised; use a faster shutter speed or a support.
Sony ZV-E10 II27–75 mm667 gFits and works
Native mount: it fits and works.
  • Neither the lens nor the camera is stabilised; use a faster shutter speed or a support.
Sony FX3027–75 mm936 gFits and works
Fujifilm X-T527–75 mm847 gFits and works
Fujifilm X-T5027–75 mm728 gFits and works
Fujifilm X-T30 III27–75 mm668 gFits and works
Native mount: it fits and works.
  • Neither the lens nor the camera is stabilised; use a faster shutter speed or a support.
Fujifilm X-T30 II27–75 mm668 gFits and works
Native mount: it fits and works.
  • Neither the lens nor the camera is stabilised; use a faster shutter speed or a support.
Fujifilm X-S2027–75 mm781 gFits and works
Fujifilm X-S1027–75 mm755 gFits and works
Fujifilm X-M527–75 mm645 gFits and works
Native mount: it fits and works.
  • Neither the lens nor the camera is stabilised; use a faster shutter speed or a support.
Fujifilm X-E527–75 mm735 gFits and works
Fujifilm X-E427–75 mm654 gFits and works
Native mount: it fits and works.
  • Neither the lens nor the camera is stabilised; use a faster shutter speed or a support.
Fujifilm X-H227–75 mm950 gFits and works
Fujifilm X-H2S27–75 mm950 gFits and works
Fujifilm X-T427–75 mm897 gFits and works
Fujifilm X-Pro327–75 mm787 gFits and works
Native mount: it fits and works.
  • Neither the lens nor the camera is stabilised; use a faster shutter speed or a support.

What it frames

29 mm29 mm32 mm
Highlighted: this lens on the EOS R50. A zoom's dashed frame is its longest view.

At its closest (12 cm from the sensor) it fills the frame of the EOS R50 with a subject about 6.2 cm wide.

On the EOS R50, to scale

Side view drawn from the published depth of the camera and length of the lens. 675 g together.

Every lens with a 55 mm thread

Other everyday and travel zooms for Canon RF

The nearest in focal length, with the numbers that differ.

Questions about this lens

Which cameras does the Sigma 18-50mm F2.8 DC DN Contemporary fit?

26 APS-C cameras in our catalogue: EOS R100, EOS R50, EOS R50 V, EOS R10, EOS R7, a6000, a6100, a6400, a6600, a6700, ZV-E10, ZV-E10 II, FX30, X-T5, X-T50, X-T30 III, X-T30 II, X-S20, X-S10, X-M5, X-E5, X-E4, X-H2, X-H2S, X-T4, X-Pro3.

What does it frame like on APS-C?

18–50 mm frames like 29–80 mm on the EOS R50 (1.6x).

What filter size does it take?

55 mm screw-in filters. Every lens with a 55 mm thread.

Where these facts come from

Facts checked 9 Oct 2026 against the makers' specification pages. How we check

Size, weight, filter thread, close focus and magnification are Sigma's published figures; weight and length differ slightly between mount versions. We have not tested this lens; for image quality, read reviews from people who have.

Specifications

Mount
Canon RF
Made for
APS-C sensors
Focal length
18–50 mm
Maximum aperture
f/2.8
Lens stabilisation
No
Weather sealing
Not stated by the maker
Filter thread
55 mm
Weight
300 g
Size (diameter × length)
69.2 × 74.5 mm
Closest focus
12.1 cm
Maximum magnification
0.36x
Autofocus
Yes
Announced
2024

Per mount: Canon RF 300 g, 74.5 mm long; Sony E 290 g, 76.5 mm long; Fujifilm X 290 g.