
Viltrox MF 20mm F1.8
- Focal length
- 20 mm
- Aperture
- f/1.8
- Weight
- 775 g
- Filter diameter
- 82 mm
- Min. focus distance
- 25 cm
- Length
- 102 mm
At a Glance
The Viltrox MF 20mm F1.8 is a manual-focus ultra-wide prime for full-frame Sony E. Its f/1.8 aperture gathers plenty of light at 20 mm, which suits dusk and night shooting. The lens weighs 775 g, takes 82 mm filters and focuses down to 25 cm. It suits landscape, architecture, interiors and night sky photography.
Good for
- Landscape
- Architecture
- Interiors
- Night sky
Worth knowing
- No autofocus: focusing is manual only.
Derived from the manufacturer data, not from our own tests. How we check
Technical Specifications
- Min. focal length
- 20 mm
- Max. focal length
- 20 mm
- Max. aperture (min. zoom)
- f/1.8
- Max. aperture (max. zoom)
- f/1.8
- Min. aperture
- f/16
- Elements
- 12
- Groups
- 9
- Weight
- 775 g (1.71 lb)
- Filter diameter
- 82 mm
- Min. focus distance
- 25 cm (9.84 in)
- Length
- 102 mm (4.02 in)
- Diameter
- 76.8 mm (3.02 in)
Manufacturer data: viltrox.com, viltrox.com
Last checked: October 13, 2026 (against the manufacturer data) · How we check
Which cameras does the Viltrox MF 20mm F1.8 fit?
The Viltrox MF 20mm F1.8 is a full-frame lens for Sony E-Mount cameras. On full-frame bodies it uses the whole sensor; on APS-C Sony E-Mount cameras its field of view equals 30 mm in full-frame terms.
Sony E-Mount cameras
- Full frame:
- Sony A7R VI,Sony A7 V,Sony FX2,Sony A1 II,Sony A9 III,Sony A7C II,Sony A7CR,Sony ZV-E1,Sony A7R V,Sony A7 IV,Sony A1,Sony FX3,Sony A7S III,Sony A7C,Sony FX6,Sony A7R IV (A7R IVA),Sony A9 II,Sony FX9,Sony A7 III,Sony A7R III (A7R IIIA),Sony A9,Sony A7R II,Sony A7S II,Sony A7 II,Sony A7S,Sony A7,Sony A7R
- APS-C:
- Sony ZV-E10 II,Sony A6700,Sony FX30,Sony ZV-E10,Sony A6600,Sony A6100,Sony A6400,Sony A6500,Sony A6300,Sony QX1 (ILCE-QX1),Sony A6000,Sony A5100,Sony A3500,Sony A5000,Sony A3000,Sony NEX-5T,Sony NEX-3N,Sony NEX-6,Sony NEX-5R,Sony NEX-F3,Sony NEX-7,Sony NEX-5N,Sony NEX-C3,Sony NEX-5,Sony NEX-3
Viltrox MF 20mm F1.8 compared
Key specs side by side with the most similar Sony E-Mount lenses.
| Lens | Viltrox MF 20mm F1.8 | Samyang 20mm F1.8 ED AS UMC | Tokina Firin 20mm F2 FE MF | Sony FE 20mm F1.8G |
|---|---|---|---|---|
| Focal length | 20 mm | 20 mm | 20 mm | 20 mm |
| Max. aperture | f/1.8 | f/1.8 | f/2 | f/1.8 |
| Weight | 775 g | 525 g | 490 g | 373 g |
| Filter diameter | 82 mm | 77 mm | 62 mm | 67 mm |
| Min. focus distance | 25 cm | 20 cm | 28 cm | 18 cm |
| Length | 102 mm | 114.4 mm | 82 mm | 84.7 mm |
| Autofocus | no | no | no | yes |
| Image stabilization | no | no | no | no |
This lens is also available for
Viltrox MF 20mm F1.8: FAQ
Does the Viltrox MF 20mm F1.8 have autofocus?
No, the Viltrox MF 20mm F1.8 has no autofocus; you focus it manually.
Does the Viltrox MF 20mm F1.8 have image stabilization?
No, the Viltrox MF 20mm F1.8 has no stabilization of its own. On cameras with in-body image stabilization (IBIS) the image is still stabilized.
How much does the Viltrox MF 20mm F1.8 weigh?
The Viltrox MF 20mm F1.8 weighs 775 g. It is 102 mm long with a diameter of 76.8 mm.
What filter size does the Viltrox MF 20mm F1.8 use?
The Viltrox MF 20mm F1.8 takes 82 mm screw-in filters.
How close can the Viltrox MF 20mm F1.8 focus?
The minimum focus distance of the Viltrox MF 20mm F1.8 is 25 cm, measured from the sensor plane.
Is the Viltrox MF 20mm F1.8 a full-frame lens?
Yes, the Viltrox MF 20mm F1.8 covers full frame. On APS-C cameras its field of view equals 30 mm in full-frame terms.
Similar lenses
Samyang 20mm F1.8 ED AS UMC
20mm · f/1.8
Tokina Firin 20mm F2 FE MF
20mm · f/2
Sony FE 20mm F1.8G
20mm · f/1.8
Sigma 20mm F2.0 DG DN | Contemporary
20mm · f/2
Tokina Firin 20mm F2 FE AF
20mm · f/2
Venus Laowa Aksen 17.5mm F1.7 5-10X Ultra Macro APO
17.5mm · f/1.7
Zeiss Loxia 21mm F2.8
21mm · f/2.8
Sigma 20mm F1.4 DG DN Art
20mm · f/1.4
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