Sony E lens
Sigma 50-120mm F2.8 DC OS Contemporary
50–120 mm, f/2.8, made for APS-C, stabilised. It mounts natively on 8 of our APS-C cameras; on the a6400 it frames like 75–180 mm.
- 50–120 mm · 75–180 mm equiv. on a6400
- f/2.8
- 55 mm filter
- 390 g
- Stabilised
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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.
| Camera | View (35 mm equiv.) | With the camera | Fit and maker's notes | Kit |
|---|---|---|---|---|
| Sony a6000 | 75–180 mm | 734 g | Fits and works | |
| Sony a6100 | 75–180 mm | 786 g | Fits and works | |
| Sony a6400 | 75–180 mm | 793 g | Fits and works | |
| Sony a6600 | 75–180 mm | 893 g | Fits and works | |
| Sony a6700 | 75–180 mm | 883 g | Fits and works | |
| Sony ZV-E10 | 75–180 mm | 733 g | Fits and works | |
| Sony ZV-E10 II | 75–180 mm | 767 g | Fits and works | |
| Sony FX30 | 75–180 mm | 1,036 g | Fits and works |
What it frames
At its closest (23 cm from the sensor) it fills the frame of the a6400 with a subject about 7.1 cm wide.
On the a6400, to scale
Other telephoto zooms for Sony E
The nearest in focal length, with the numbers that differ.
- Sony FE 50-150mm F2 GM75–225 mm equiv. · f/2 · 1,340 g (+950 g) · 95 mmCompare
- Tamron 35-150mm F/2-2.8 Di III VXD53–225 mm equiv. · f/2–2.8 · 1,165 g (+775 g) · 82 mmCompare
- Samyang AF 35-150mm F2-2.8 FE53–225 mm equiv. · f/2–2.8 · 1,224 g (+834 g) · 82 mmCompare
- Sony E 55-210mm F4.5-6.3 OSS83–315 mm equiv. · f/4.5–6.3 · 345 g (−45 g) · 49 mmCompare
- Sigma 28-105mm F2.8 DG DN Art42–158 mm equiv. · f/2.8 · 990 g (+600 g) · 82 mmCompare
- Tamron 70-180mm F/2.8 Di III VC VXD G2105–270 mm equiv. · f/2.8 · 855 g (+465 g) · 67 mmCompare
Questions about this lens
Which cameras does the Sigma 50-120mm F2.8 DC OS Contemporary fit?
8 APS-C cameras in our catalogue: a6000, a6100, a6400, a6600, a6700, ZV-E10, ZV-E10 II, FX30.
What does it frame like on APS-C?
50–120 mm frames like 75–180 mm on the a6400 (1.5x).
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. We have not tested this lens; for image quality, read reviews from people who have.
Specifications
- Mount
- Sony E
- Made for
- APS-C sensors
- Focal length
- 50–120 mm
- Maximum aperture
- f/2.8
- Lens stabilisation
- Yes
- Weather sealing
- Not stated by the maker
- Filter thread
- 55 mm
- Weight
- 390 g
- Size (diameter × length)
- 66.8 × 99 mm
- Closest focus
- 23 cm
- Maximum magnification
- 0.33x
- Autofocus
- Yes
- Announced
- 2026