Sony E lens

Sigma 17mm F4 DG DN Contemporary

17 mm, f/4, made for full frame. It mounts natively on 8 of our APS-C cameras; on the a6400 it frames like 26 mm.

17 mm · 26 mm equiv. on a6400
f/4
55 mm filter
220 g

50.8 mm long64 mm55 mm filter thread

Drawn from Sigma's published size: 64 × 50.8 mm. 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
Camera	View (35 mm equiv.)	With the camera	Fit and maker's notes
Sony a6000	26 mm	564 g	Fits 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 a6100	26 mm	616 g	Fits 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 a6400	26 mm	623 g	Fits 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 a6600	26 mm	723 g	Fits and works
Sony a6700	26 mm	713 g	Fits and works
Sony ZV-E10	26 mm	563 g	Fits 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 II	26 mm	597 g	Fits 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 FX30	26 mm	866 g	Fits and works

What it frames

24 mm24 mm26 mm

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

At its closest (12 cm from the sensor) it fills the frame of the a6400 with a subject about 8.4 cm wide.

On the a6400, to scale

Side view drawn from the published depth of the camera and length of the lens. 623 g together.

Every lens with a 55 mm thread

Other wide primes for Sony E

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

Sony E 16mm F2.824 mm equiv. · f/2.8 · 67 g (−153 g) · 49 mmCompare
Sony FE 16mm F1.8 G24 mm equiv. · f/1.8 · 304 g (+84 g) · 67 mmCompare
Sigma 16mm F1.4 DC DN Contemporary24 mm equiv. · f/1.4 · 405 g (+185 g) · 67 mmCompare
Sony E 15mm F1.4 G23 mm equiv. · f/1.4 · 219 g (−1 g) · 55 mmCompare
Sigma 15mm F1.4 DC Contemporary23 mm equiv. · f/1.4 · 220 g (−0 g) · 58 mmCompare
Viltrox AF 15mm F1.7 Air23 mm equiv. · f/1.7 · 180 g (−40 g) · 58 mmCompare

Questions about this lens

Which cameras does the Sigma 17mm F4 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?

17 mm frames like 26 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: Full-frame sensors (covers APS-C too)
Focal length: 17 mm
Maximum aperture: f/4
Lens stabilisation: No
Weather sealing: Not stated by the maker
Filter thread: 55 mm
Weight: 220 g
Size (diameter × length): 64 × 50.8 mm
Closest focus: 12 cm
Maximum magnification: 0.28x
Autofocus: Yes
Announced: 2023