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Sony

FE 20mm F1.8 G

Sony E · Prime · FULL FRAME

FE 20mm F1.8 G — 20mm f/1.8 for Sony E, a popular choice in the sony lineup.

$899

Launch price
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Last updated May 2026

Key specs at a glance

Focal Length

20 mm

Max Aperture

f/1.8

Mount

Sony E

Coverage

Full Frame

Stabilization

No

Weight

373 g

Min Focus

30 cm

Filter Size

82 mm

Where to buy the Sony FE 20mm F1.8 G

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Best for

Use-case scores

Scored algorithmically from verified specs. 10 = best in class.

Portrait

Good
6.0/ 10
  • · f/1.8 aperture gives excellent subject isolation
  • · 11-blade rounded diaphragm creates creamy out-of-focus highlights

Sports & Action

Good
6.5/ 10
  • · Constant fast f/1.8 aperture allows fast shutter speeds
  • · Equipped with high-speed silent AF motor for fast action tracking

Video & Hybrid

Limited
3.5/ 10
  • · Internal focusing keeps lens length constant and stops rotation
  • · Fast prime aperture offers cinematic shallow depth of field

Landscape

Good
7.0/ 10
  • · Wide-angle focal length (20mm) is great for landscape photography
  • · Weather-sealed body protects against dust and rain in the field

Travel

Fair
5.0/ 10
  • · Highly portable weight (373g) makes it travel-friendly
  • · Weather-sealed body is prepared for varied travel climates

Wildlife

Limited
3.0/ 10
  • · Weather-sealed design handles outdoor elements like rain or sand
  • · Fast tracking AF motor helps track moving birds/animals

Macro & Close-up

Limited
1.5/ 10
  • · Short focus distance of 30 cm allows close shooting

Pros

  • ✓ Prime design typically delivers strong sharpness and lighter weight
  • ✓ Weather-sealed construction for outdoor shooting
  • ✓ Lightweight design easy to carry all day

Cons

  • – Third-party or older alternatives may offer better value

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Full specifications

Verified specs · Sony FE 20mm F1.8 G

Optical Design

Focal length (Min)20 mm
Focal length (Max)20 mm
Max aperture (Wide)f/1.8
Max aperture (Tele)f/1.8
Elements10
Groups8
Special elementsAspherical

Focus System

Min focus distance30 cm
Max magnification0.15 ×
Autofocus motorLinear / Stepping Motor
Internal focusYes

Image Stabilization

Optical stabilizationNo
OIS effectiveness0 stops

Physical Specs

Weight373 g
Length102 mm
Diameter86 mm
Filter thread size82 mm
Weather sealingYes
Diaphragm blades11

Compatibility

Lens mountSony E
Format coverageFull Frame

Features

Control ringNo
Custom function buttonNo