Sony FE 20mm f/1.8 G

Ultra-wide prime with exceptional sharpness and bokeh

Sony FE 20mm f/1.8 G
85/100
LENS SCORE
Features 17
Performance 19
Durability 17
Price 15
Usability 17
Brand Sony
Model SEL20F18G

Key Features

OPTICS 14 elements in 12 groups including two AA and three ED glass elements
APERTURE 9-blade circular aperture for smooth bokeh
AUTOFOCUS Dual XD Linear Motors for fast, quiet, and precise AF
CLOSE FOCUS Minimum focus distance of 0.19m (AF) / 0.18m (MF)
COATING Nano AR Coating to suppress reflections and ghosting
STABILIZATION Relies on camera body-based stabilization (IBIS)
WEATHER SEALING Dust and moisture-resistant design for harsh environments
SIZE Compact and lightweight design at 373 grams
FILTER 67mm front filter thread diameter
FOCUS Internal focusing mechanism maintains lens length
CONTROL Customizable focus hold button and aperture click switch
BUILD High-grade engineering plastic with metal mount
COMPATIBILITY Full-frame E-mount mirrorless cameras

The Most Important Rings & Switches — Sony FE 20mm f/1.8 G

Ring / Switch / Control Status Note
Focus Ring ✓ Present Linear response manual focus
Zoom Ring ✗ Not Present
Aperture Ring ✓ Present Includes click/de-click switch
AF/MF Switch ✓ Present
Image Stabilisation Switch ✗ Not Present
Focus Limiter Switch ✗ Not Present
Function (L-Fn) Button ✓ Present
Zoom Lock Switch ✗ Not Present
Optical Image Stabilisation (OIS) ✗ Not Present
Weather Sealing ✓ Present Dust and moisture resistant

How-to Use Sony FE 20mm f/1.8 G

Welcome to the How-to section of the lens. In this Light & Composition University website, each page for a lens has a how-to section and a section for learning. The rings, switches and controls of each lens are placed differently between brands and models. The how-to section helps you operate the lens; however, if you are interested in learning photography, you also need to know what each control changes and why you would change it. Click the “Learn” or scroll down.

Learn & Master Photography with Sony FE 20mm f/1.8 G

For over a decade, we have been teaching photography following a university standard. No one does it better than us. We have a selection of courses, diplomas, graduate and post-graduate programs, as well as some of our best-selling university press publications, to guide you in the best possible way for your lens. Enroll in the fundamentals and then move to the genres you want to master.

Technical Specification

Lens Type Prime
Focal Length 20mm
Max Aperture f/1.8
Min Aperture f/22
Elements/Groups 14/12
Diaphragm Blades 9
Min Focus Distance 0.19m
Max Magnification 0.20x
Filter Thread 67mm
Focus Motor Dual XD Linear
Weather Sealing Yes
Weight 373g
Dimensions 73.5 x 84.7 mm
Mount Sony E
Format Full Frame