Sigma · Contemporary
100-400mm ƒ/5-6.3 DG DN OS Contemporary
100-400mm F5-6.3 DG DN OS | Contemporary
Sigma 100-400mm ƒ/5-6.3 DG DN OS Contemporary is a 100–400mm zoom lens for the Fujifilm X mount, equivalent to 150–600mm on full frame, with a maximum aperture of ƒ/5–6.3 and autofocus. It weighs 1135 g.

Optics
- Type
- Zoom · Photo
- Focal length
- 100–400mm (150–600mm eq.)
- Angle of view
- 16.2–4.1°
- Aperture
- ƒ/5–6.3 – ƒ/22–29
- Constant aperture
- No
- Blades
- 9, rounded
- Aperture ring
- —
- Construction
- 22 el. / 16 gr.
- Special elements
- 4 ED, 1 Super ED
- Designations
- DG · DN · OS
- Designed for
- Full frame
Focus
- Type
- Autofocus, stepping motor
- Minimum distance
- 1.12 m
- Magnification
- 0.24× (1:4.1)
Size and mount
- Diameter × length
- 86 × 199.5 mm
- Weight
- 1135 g
- Filter
- 67 mm front
- Mount
- Native X mount
Features
- Yes
- Sealed mount, Stabilized, Electronic contacts
- No
- Internal zoom
History
- Maker
- Sigma · JP
- Announced
- 2023-09-01
- Status
- Current
Full-frame DG DN design from 2020; the X Mount version was announced on 2023-09-01 with switches optimised for X Mount. Minimum focus 112 cm (W) to 160 cm (T), maximum magnification 1:4.1 at 400mm. Official weight 1,135 g includes the PROTECTIVE COVER PT-31. Zoom lock switch keeps the barrel from extending (dual action zoom), hence internalZoom false. Sigma's TC-1411/TC-2011 teleconverters are L-Mount only; Fujifilm teleconverter compatibility is not stated. Official photo is shown with the hood attached.