Sony E lens

Sony FE 20-70mm F4 G

20–70 mm, f/4, made for full frame. It mounts natively on 8 of our APS-C cameras; on the a6400 it frames like 30–105 mm.

20–70 mm · 30–105 mm equiv. on a6400
f/4
72 mm filter
488 g
Weather-sealed

99 mm long78.7 mm72 mm filter thread

Drawn from Sony's published size: 78.7 × 99 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. 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	30–105 mm	832 g	Fits and works Native mount: it fits and works. No stabilisation with this pair: neither the lens nor the camera has it. Sony: “The SteadyShot is not supported.” Distortion correction is always on. Sony: “The [Lens Comp.: Distortion] setting will be set to "Auto".” Aperture-ring display quirks. Sony: “When Iris ring is switched between auto iris mode and manual iris mode, on-screen display (LCD monitor /Viewfinder) may flicker for a brief second and focus position may be reset.” (and 7 more lines about it) Sony's page for this pair
Sony a6100	30–105 mm	884 g	Fits and works Native mount: it fits and works. No stabilisation with this pair: neither the lens nor the camera has it. Sony: “The SteadyShot is not supported.” Distortion correction is always on. Sony: “The [Lens Comp.: Distortion] setting will be set to "Auto".” Sony's page for this pair
Sony a6400	30–105 mm	891 g	Fits and works Native mount: it fits and works. No stabilisation with this pair: neither the lens nor the camera has it. Sony: “The SteadyShot is not supported.” Distortion correction is always on. Sony: “The [Lens Comp.: Distortion] setting will be set to "Auto".” Sony's page for this pair
Sony a6600	30–105 mm	991 g	Fits and works Native mount: it fits and works. Distortion correction is always on. Sony: “The [Lens Comp.: Distortion] setting will be set to "Auto".” Sony's page for this pair
Sony a6700	30–105 mm	981 g	Fits and works Native mount: it fits and works. Distortion correction is always on. Sony: “The [Lens Comp.: Distortion] setting will be set to "Auto".” Sony's page for this pair
Sony ZV-E10	30–105 mm	831 g	Fits and works Native mount: it fits and works. Distortion correction is always on. Sony: “The [Lens Comp.: Distortion] setting will be set to "Auto".” Stabilisation off in the Standard SteadyShot setting. Sony: “The SteadyShot function does not operate when SteadyShot is set to [Standard].” Neither the lens nor the camera is stabilised; use a faster shutter speed or a support. Sony's page for this pair
Sony ZV-E10 II	30–105 mm	865 g	Fits and works Native mount: it fits and works. Distortion correction is always on. Sony: “The [Lens Comp.: Distortion] setting will be set to "Auto".” Stabilisation off in the Standard SteadyShot setting. Sony: “The SteadyShot function does not operate when SteadyShot is set to [Standard].” Neither the lens nor the camera is stabilised; use a faster shutter speed or a support. Sony's page for this pair
Sony FX30	30–105 mm	1,134 g	Fits and works Native mount: it fits and works. Distortion correction is always on. Sony: “The [Lens Comp.: Distortion] setting will be set to "Auto".” Sony's page for this pair

What it frames

26 mm30 mm36 mm

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

At its closest (25 cm from the sensor) it fills the frame of the a6400 with a subject about 6 cm wide.

On the a6400, to scale

Side view drawn from the published depth of the camera and length of the lens. 891 g together.

Every lens with a 72 mm thread

Other everyday and travel zooms for Sony E

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

Tamron 17-70mm F/2.8 Di III-A VC RXD26–105 mm equiv. · f/2.8 · 525 g (+37 g) · 67 mmCompare
Sony FE 24-70mm F2.8 GM II36–105 mm equiv. · f/2.8 · 695 g (+207 g) · 82 mmCompare
Sony Vario-Tessar T* FE 24-70mm F4 ZA OSS36–105 mm equiv. · f/4 · 426 g (−62 g) · 67 mmCompare
Sigma 24-70mm F2.8 DG DN II Art36–105 mm equiv. · f/2.8 · 735 g (+247 g) · 82 mmCompare
Sony Vario-Tessar T* E 16-70mm F4 ZA OSS24–105 mm equiv. · f/4 · 308 g (−180 g) · 55 mmCompare
Sony E 18-55mm F3.5-5.6 OSS27–83 mm equiv. · f/3.5–5.6 · 194 g (−294 g) · 49 mmCompare

Questions about this lens

Which cameras does the Sony FE 20-70mm F4 G 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?

20–70 mm frames like 30–105 mm on the a6400 (1.5x).

What filter size does it take?

72 mm screw-in filters. Every lens with a 72 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 Sony'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: 20–70 mm
Maximum aperture: f/4
Lens stabilisation: No
Weather sealing: Yes, per the maker
Filter thread: 72 mm
Weight: 488 g
Size (diameter × length): 78.7 × 99 mm
Closest focus: 25 cm
Maximum magnification: 0.39x
Autofocus: Yes
Announced: 2023
Model number: SEL2070G