Sony G SEL20F18G
The dual XD linear motors in this 20mm f/1.8 prime deliver silent, precise autofocus, paired with a 14-element optical design that ensures sharpness across the full frame. Its lightweight 376g build and dust/moisture-sealed construction make it a portable, rugged choice, complemented by a customizable focus hold button and AF/MF switch. This lens suits landscape photographers and vloggers who need an ultra-wide perspective with fast, quiet operation for handheld or gimbal use.
このLensについて
Presenting an ultra-wide field of view, the Sony FE 20mm f/1.8 G is a sleek and wide-eyed prime lens characterized by its portability, advanced optical design, and intuitive handling. It's an ideal companion for a range of subjects, from architecture and interiors to landscape to vlogging, and the sleek size makes it a go-to wide-angle option for everyday and travel shooting.
- Compatible with most Sony E-mount camerasFor use with your existing device.
- Wide-angle lens for broad compositionDelivers stunning perspectives and allows you to include more of the scene in the frame.
- 20mm focal lengthBecause the focal length measures just 20mm, this lens is considered ultra wide angle.
- f/1.8 maximum apertureFor optimal light gathering capacity, resulting in clear, highly-detailed images.
- 0.22x magnification ratioEnsures your images come out just the way you want.
- AF/MF switch on lens barrelConveniently enables fast selection between autofocus or manual focus without having to access any menus.
- Customizable focus hold buttonLocks focus when recomposing and can be assigned to other functions, such as eye AF, AF on, aperture preview, shot result preview, and bright monitoring.
- Two eXtreme Dynamic linear motorsDirectly drives the lens's focus mechanism without intervening gears for precise, quiet operation that is ideal for movies as well as stills.
- Internal focusingOnly the middle groups of the optical system move to achieve focus, so the overall length of the lens does not change when focusing.
- Fluorine front-element coatingThe front lens element features a fluorine coating that repels water, oil, and other contaminants, while making it easier to wipe off any contaminants or fingerprints that do become attached to the lens surface.
- Dust- and moisture-resistant constructionEnjoy extra protection and reliable operation in challenging environments. Shoot with confidence in light rain or windy conditions.
- 0.59' minimum focusing distance
- Accommodates 67mm filters
- EnglishOpens a New Window
概要
パフォーマンス
メリットとデメリット
Pros
- Strong af (98th percentile) 98th
- Strong social proof (90th percentile) 90th
- Strong optical (86th percentile) 86th
- Strong build (77th percentile) 77th
Cons
- Below average aperture (21th percentile) 21th
- Below average bokeh (24th percentile) 24th
- Below average stabilization (35th percentile) 35th
スペック
全スペック一覧
Optics
| Type | prime |
| Focal Length Min | 20 |
| Focal Length Max | 22 |
| Elements | 14 |
| Groups | 12 |
| Aspherical Elements | 2 |
| ED Elements | 3 |
| Coating | Fluorine front-element coating |
Aperture
| Max Aperture | 22 |
| Min Aperture | 1.8 |
| Constant | Yes |
| Diaphragm Blades | 9 |
Build
| Mount | Sony E-Mount |
| Format | full-frame |
| Weather Sealed | Yes |
| Weight | 0.4 kg / 0.8 lbs |
| Filter Thread | 67 |
AF & Stabilization
| AF Type | eXtreme Dynamic linear motors |
| Stabilization | No |
Focus
| Min Focus Distance | 180 |
| Max Magnification | 0.22x |
コストパフォーマンス
Price History
競合製品との比較
| Spec | Sony G SEL20F18G | Sigma Sports 70-200mm f/2.8 DG DN OS | Tamron Di III 28-75mm F/2.8 Di III VXD G2 | Meike Neo Series MK-5514STM-Z | Nikon NIKKOR Z 14-24mm f/2.8 S | Panasonic LUMIX S S-R28200 |
|---|---|---|---|---|---|---|
| Focal Length | 20-22mm | 70-200mm | 28-75mm | 55mm | 14-24mm | 28-200mm |
| Max Aperture | 22 | 2.8 | f/2.8 | f/1.4 | f/2.8 | f/4 |
| Mount | Sony E-Mount | Sony E | Nikon Z | Nikon Z | Nikon Z | L-Mount |
| Stabilization | false | true | false | true | true | true |
| Weather Sealed | true | true | true | false | true | true |
| Weight (g) | 376 | 176 | 550 | 280 | 649 | 413 |
| AF Type | eXtreme Dynamic linear motors | HLA | VXD linear motor | STM | stepping motor | Autofocus |
| Lens Type | prime | telephoto | zoom | prime | wide-angle | macro |
| Compare | Compare | Compare | Compare | Compare |
| Product | Af | Bokeh | Build | Macro | Optical | Aperture | Versatility | Social Proof | Stabilization |
|---|---|---|---|---|---|---|---|---|---|
| Sony G SEL20F18G | 98 | 24.1 | 76.8 | 41.1 | 86.1 | 20.9 | 68 | 89.9 | 34.5 |
| Sigma Sports 70-200mm f/2.8 DG DN OS Compare | 53.3 | 87.2 | 93.2 | 46.2 | 99.7 | 79.1 | 79.6 | 89.9 | 99.9 |
| Tamron Di III 28-75mm F/2.8 Di III VXD G2 Compare | 98 | 81.2 | 63.1 | 83.9 | 87.9 | 79.1 | 78.6 | 89.9 | 34.5 |
| Meike Neo Series MK-5514STM-Z Compare | 85.5 | 94.9 | 72.8 | 94.6 | 49.7 | 94.8 | 34 | 89.9 | 79.7 |
| Nikon NIKKOR Z 14-24mm f/2.8 S Compare | 85.5 | 81.2 | 55.5 | 97.6 | 82.5 | 79.1 | 69.2 | 89.9 | 79.7 |
| Panasonic LUMIX S S-R28200 Compare | 53.3 | 71.9 | 73.7 | 87.8 | 91.2 | 65.6 | 95.9 | 89.9 | 99.5 |
用途別スコア
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