Sony FE 20mm F1.8 G

Last updated
Sony FE 20mm F1.8 G (SEL20F18G)
Sony FE 20mm F1.8 G 20230506 HOF01543 RAW-Export.png
MakerSony
Lens mount(s) Sony E-mount
Technical data
Typeprime lens
Focus drive Autofocus drive
Focal length20mm
Image format 35mm full-frame
Aperture (max/min)f/1.8-22
Close focus distance0.18 metres (0.59 ft)
Max. magnification0.22
Diaphragm blades9
Construction12 elements in 14 groups
Features
Lens-based stabilization X mark.svg No
Unique featuresG-series lens
ApplicationLandscape, Architecture
Physical
Max. length84.7 millimetres (3.33 in)
Diameter73.5 millimetres (2.89 in)
Weight373 grams (0.822 lb)
Filter diameter67mm
Accessories
Lens hoodALC-SH162 (blossom shape, bayonet)
Angle of view
Horizontal94°
History
IntroductionMarch 2020

The Sony FE 20mm F1.8 G is a full-frame wide-angle lens with Sony E-mount bayonet, released in March 2020.

Contents

Features

The lens has two rings, one for manual focus and one for the aperture. The circular button holds the focus and the switch below allows a change between autofocus and manual focus. An aperture latching switch allows to switch between snapping in or smooth rotation of the aperture ring. The lens build allows an application of polarization filters. As it is a prime lens, the focal length cannot be changed. The lens has a dust and splash water-repellent design, but complete resistance to dust and splash water are not guaranteed. [1] Two "extreme dynamic" (XD) linear motors realize a faster focusing on the motif. An AR nanocoating reduces unwanted light reflections and internal reflections while achieving higher contrast. Sagittal reflections are reduced by two advanced aspherical and three extra-low-dispersion glas elements. The body is made of metal and plastic. [2]

Scope of delivery

The lens comes with the ALC-SH162 as lens hood, and two lens caps (front: ALC-F67S, rear: ALC-R1EM). An included soft bag allows a better transportation. [3] [ non-primary source needed ]

Image quality

The image quality is exceptionally high, even for Sony G lenses. The resolution is high from f/1.8 to f/8, while losing with smaller apertures. The sharpness loss towards the image borders is rather small, but can be bigger while using the open aperture. Chromatic aberrations, if present, can be found at the image borders. Those are however very small and barely visible on high-resolution images coming from Sony a7R IV or V. [4] The occurring barrel distortion can be corrected by software.

Awards

The lens is featured as best wide-angle lens 2020 by EISA. [5]

See also

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References

  1. ↑ "SEL20F18G". sony.de.
  2. ↑ "Testbericht: Sony FE 20 mm F1.8 G (SEL20F18G)". www.digitalkamera.de.
  3. ↑ "FE 20 mm F1.8 G". sony.de.
  4. ↑ "Testbericht: Sony FE 20 mm F1.8 G (SEL20F18G)". www.digitalkamera.de.
  5. ↑ "2020-2021 | EISA – Expert Imaging and Sound Association".
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