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Sony FE 20mm f/1.8 G Lens

A compact high-resolution 20 mm F1.8 prime

Sony’s latest optical technology achieves impressive corner-to-corner resolution from maximum F1.8 aperture in a large-aperture wide-angle prime lens. It is also remarkably compact, and matched with an E-mount bod
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Manufacturer part SEL20F18G | Dell part AB041892 | Order Code ab041892 | Sony
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FE 20 mm F1.8 G

Sony's latest optical technology achieves impressive corner-to-corner resolution from maximum F1.8 aperture in a large-aperture wide-angle prime lens. It is also remarkably compact, and matched with an E-mount body makes up a versatile, mobile system with outstanding AF performance, control and reliability for a wide variety of shooting needs.
FE 20 mm F1.8 G

A compact high-resolution 20 mm F1.8 prime

Sony's latest optical technology achieves impressive corner-to-corner resolution from maximum F1.8 aperture in a large-aperture wide-angle prime lens. It is also remarkably compact. Matched with an E-mount body this lens makes up a mobile system with outstanding AF performance, control and reliability for a wide variety of shooting needs.

Superb corner-to-corner resolution from F1.8

Two AA (advanced aspherical) elements in an innovative optical design minimize aberration for outstanding corner-to-corner resolution right from the lens's widest F1.8 aperture.

Smooth, natural-looking bokeh

In addition to precise control of spherical aberration-which has significant influence on bokeh quality-the FE 20 mm F1.8 G has a 9-blade circular aperture that contributes to smooth, creamy bokeh and natural-looking highlights that are hallmarks of the G Lens series.

Realistically rendered point sources

Two AA (advanced aspherical) elements and three ED (Extra-low Dispersion) glass elements are employed to minimize sagittal flare so that point light sources are reproduced accurately, without colour smearing.

Superb AF speed, precision and tracking

Two XD (eXtreme Dynamic) Linear Motors easily keep up with Sony's high-speed camera bodies, taking full advantage of their AF speed, precision and tracking potential. New control algorithms make it possible to drive the lens's large focus group smoothly and without delays for responsive, silent, low-vibration auto focus.

Compact and lightweight for enhanced mobility and handling

An advanced optical design that includes two AA elements is supported by a refined mechanical system in a G Lens that weighs just 373 g (13.2 oz). Small size and light weight enhance mobility when used with compact E-mount bodies, and make up a well-balanced system that is ideal for use on gimbals or accessory grips. The FE 20 mm F1.8 G is a versatile lens for a wide variety of still and movie shooting situations.

Excellent close-up performance, even for selfies

In addition to the fact that 20 mm is a great focal length for selfies, this lens has a minimum focusing distance of just 0.19 m (0.63 ft) when used in AF mode, and an even closer 0.18 m (0.59 ft) minimum focusing distance when focused manually. It is an excellent choice for gimbal/grip mounting, whether shooting selfies or other subjects.

Nano AR Coating for crisp contrast

Sony's original Nano AR Coating creates a precise, regular nanostructure on lens surfaces that does not interfere with light transmission, while suppressing reflections that can cause flare and ghosting. Internal reflections are reduced to an absolute minimum, achieving outstanding clarity and contrast. (1. Nano AR Coating / 2. Glass / 3. Transmitted light).

Dust and moisture resistant

A dust- and moisture-resistant design1 provides the reliability needed for outdoor use in challenging conditions.

Natural, linear manual focus response

Linear Response MF ensures that the focus ring responds directly and linearly to subtle control when focusing manually. Focus ring rotation translates directly to a corresponding change in focus, so control feels immediate and precise.

Customizable focus hold button

A conveniently placed focus hold button not only offers easy focus hold control, but can be assigned to a variety of other functions from a menu accessed via the camera body.

Fluorine front element coating

The 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.

Easy manual/auto focus switching

A focus mode switch that allows instant switching between auto and manual focus mode can be a great advantage when shooting subjects or situations that require fine manual focus adjustment.

Switchable aperture ring click stops

In addition to providing the fast response required for professional application, the aperture ring includes a switch that turns its click stops on or off: ON for tactile feedback when shooting stills, or OFF for seamless, silent control when shooting movies.

30 mm equivalent on APS-C bodies

This lens also balances well on smaller APS-C format bodies, providing a very useful wide-angle focal length of 30 mm (full-frame format equivalent). 30 mm is great for taking snapshots around town, shooting the scenery while hiking or mountain climbing, and much more. The SEL20F18G is highly recommended for APS-C as well as full-frame users.

Sony's movie technology supports advanced moviemaking

Moviemaking advantages include fast, precise AF and tracking provided by the lens's XD Linear Motors, an ultra-wide 20-mm angle of view on full-frame bodies (30 mm on APS-C bodies or with Super 35 angle of view settings), a bright F1.8 maximum aperture, compact and lightweight design, excellent close-up performance and more. In addition to the lens's small size and light weight, its internal focus design makes it convenient for use on compact gimbals or grips for vlogging and other applications.

Accepts a variety of filters

Unlike many other ultra-wide-angle lenses, the lens accepts circular polarizing filters for landscapes, ND filters for movies, and other filter types so the user has full creative control.

Sony customer reviews

Overall:

(195 reviews)

Lens Specifications
Mount Sony E-mount
Format 35 mm full frame
Focal Length (mm) 20
35 mm equivalent focal length (APS-C) 30
Lens Groups / Elements 12-14
Angle of View (35mm) 94
Angle of View (APS-C) 702
Maximum aperture (F) 1.8
Minimum Aperture (F) 22
Aperture Blades 9
Circular Aperture Yes
Minimum Focus Distance 0.19 m (AF), 0.18 m (MF) (0.63 ft [AF], 0.59 ft [MF])
Maximum Magnification ratio (x) 0.20 (AF), 0.22 (MF)
Filter Diameter (mm) 67
Image stabilization (SteadyShot) - (body-integrated)
Teleconverter compatibility (x1.4) -
Teleconverter compatibility (x2.0) -
Hood Type Petal shape, bayonet type
Size & Weight
Dimensions (D x L) 73.5 x 84.7 mm (3 x 3-3/8 in)
Weight 373 g (13.2 oz)

  • Hood (model): ALC-SH162
  • Lens front cap: ALC-F67S
  • Lens rear cap: ALC-R1EM
  • Soft case

A compact high-resolution 20 mm F1.8 prime

Sony’s latest optical technology achieves impressive corner-to-corner resolution from maximum F1.8 aperture in a large-aperture wide-angle prime lens. It is also remarkably compact, and matched with an E-mount body makes up a versatile, mobile system with outstanding AF performance, control and reliability for a wide variety of shooting needs.

Quick Specs


Lens System
Wide-angle lens
Intended For
Digital SLR, camcorder, mirrorless system, full-frame digital SLR, full-frame mirrorless system
Mounting Type
Sony E-mount
Lens Aperture
F/1.8
Focal Length
20 mm
Min Focus Distance
19 cm
Focus Adjustment
Automatic, manual
Lens Construction
12 groups / 14 elements
Special Functions
Wide angle
Filter Size
67 mm
Length
8.47 cm
Weight
373 g

General


Length
8.47 cm
Diameter
7.35 cm
Weight
373 g

Lens System


Type
Wide-angle lens
Special Functions
Wide angle
Intended For
Digital SLR, camcorder, mirrorless system, full-frame digital SLR, full-frame mirrorless system
Focal Length
20 mm
Lens Aperture
F/1.8
Minimum Aperture
F/22
Magnification
0.22
Min Focus Distance
19 cm
Focus Adjustment
Automatic, manual
Max View Angle
94 degree(s)
Lens Construction
12 groups / 14 elements
Filter Size
67 mm
Diaphragm Blades
9
Lens Coating
Fluorine coating, Nano AR Coating
Mounting Type
Sony E-mount
Features
ED glass, dustproof, AA (advanced aspherical) lens, focus hold button, moisture-resistant, aperture control, XD (extreme dynamic) Linear Motor, click/clickless aperture

Miscellaneous


Included Accessories
Lens hood, dust cap, lens cap

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