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Sony E lens

Sigma 28-70mm F2.8 DG DN Contemporary

28–70 mm, f/2.8, made for full frame. It mounts natively on 8 of our APS-C cameras; on the a6400 it frames like 42–105 mm.

  • 28–70 mm · 42–105 mm equiv. on a6400
  • f/2.8
  • 67 mm filter
  • 470 g
  • Weather-sealed
103.5 mm long72.2 mm67 mm filter thread
Drawn from Sigma's published size: 72.2 × 103.5 mm, at its shortest. Details simplified.

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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. It is made for full-frame sensors and covers APS-C with room to spare.

Every camera in our catalogue this lens mounts on: 8
CameraView (35 mm equiv.)With the cameraFit and maker's notes
Sony a600042–105 mm814 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 a610042–105 mm866 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 a640042–105 mm873 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 a660042–105 mm973 gFits and works
Sony a670042–105 mm963 gFits and works
Sony ZV-E1042–105 mm813 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 II42–105 mm847 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 FX3042–105 mm1,116 gFits and works

What it frames

42 mm42 mm42 mm
Highlighted: this lens on the a6400. A zoom's dashed frame is its longest view.

At its closest (19 cm from the sensor) it fills the frame of the a6400 with a subject about 7.8 cm wide.

On the a6400, to scale

Side view drawn from the published depth of the camera and length of the lens. 873 g together.

Every lens with a 67 mm thread

Other telephoto zooms for Sony E

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

Questions about this lens

Which cameras does the Sigma 28-70mm F2.8 DG DN Contemporary fit?

8 APS-C cameras in our catalogue: a6000, a6100, a6400, a6600, a6700, ZV-E10, ZV-E10 II, FX30. It is made for full frame, so it also fits the full-frame cameras on its mount.

What does it frame like on APS-C?

28–70 mm frames like 42–105 mm on the a6400 (1.5x).

What filter size does it take?

67 mm screw-in filters. Every lens with a 67 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. We have not tested this lens; for image quality, read reviews from people who have.

Specifications

Mount
Sony E
Made for
Full-frame sensors (covers APS-C too)
Focal length
28–70 mm
Maximum aperture
f/2.8
Lens stabilisation
No
Weather sealing
Yes, per the maker
Filter thread
67 mm
Weight
470 g
Size (diameter × length)
72.2 × 103.5 mm
Closest focus
19 cm
Maximum magnification
0.3x
Autofocus
Yes
Announced
2021