Xem Studiomeasured geometry

Library › Electronics › Sony E-mount lenses ·

Sony FE 20mm F1.8 G (SEL20F18G)

What are the dimensions of the Sony FE 20mm F1.8 G? · Modern device · basis: Manufacturer specifications (Sony Marketing (Japan))

Also called: SEL20F18G dimensions, SEL20F18G size, Sony FE 20mm F1.8 G dimensions, Sony FE 20mm F1.8 G size, Sony FE 20mm F1.8 G length, Sony FE 20mm F1.8 G diameter, Sony FE 20mm F1.8 G filter size, Sony FE 20mm F1.8 G weight, how long is the Sony FE 20mm F1.8 G, Sony FE 20mm F1.8 G lens cap size, dimensiones Sony FE 20mm F1.8 G, medidas Sony FE 20mm F1.8 G, Sony FE 20mm F1.8 G Abmessungen

Exact dimensions. True size, with no printing tolerance added.

length
73.5 mm
width
73.5 mm
height
84.7 mm

Notes

  • Sony FE 20mm F1.8 G (SEL20F18G) measures 73.5 mm in diameter and 84.7 mm long (2.89 × 3.33 in) per Sony Marketing (Japan)'s specifications.
  • Filter thread is 67 mm. Use these for lens-cap holders, hood adapters, padded case inserts and storage racks.
  • No CAD file: the maker publishes only overall sizes, and a plain box or cylinder is not useful design geometry. The table is the published data; parts with real geometry have their own pages.

Sony FE 20mm F1.8 G size chart

dimensionvalue
Maximum diameter73.5 mm (2.89 in)
Length84.7 mm (3.33 in)
Filter thread67 mm
Weight373 g
MountSony E-mount
Model numberSEL20F18G

Where the files are

Other publishers' files are linked, not hosted. "verify" = check the license at the link before commercial use.

Sony Marketing (Japan)Lens & Accessory: E-mount lens / accessory general catalogue (PDF)webPublisher's page; dimensions are facts

Xem scan

File coming

No downloadable true-size file yet: the published figures do not fix the whole shape, and Xem never guesses a number. A measured scan is planned; request it and it moves up.

Let your AI pull this. Add https://xemstudio.com/mcp to Claude, ChatGPT, Cursor or any MCP client (free, no account, one minute) and it can look up exact sizes, mating fits and free STEP/STL from every chat.
Set it up →

Plain text: sheet.txt · JSON: /api/geometry?object=sony-fe-20mm-f1-8-g

Sony FE 20mm F1.8 G (SEL20F18G), isometric render of a generated part
Schematic, not to scale.

Fits with

Sony FE 28-70mm F2 GM (SEL2870GM), isometric render of a generated part
Sony FE 28-70mm F2 GM (SEL2870GM)92.9×92.9×139.8 mm★ sheet
Sony FE 50-150mm F2 GM (SEL50150GM), isometric render of a generated part
Sony FE 50-150mm F2 GM (SEL50150GM)102.8×102.8×200 mm★ sheet
Sony FE 50mm F1.2 GM (SEL50F12GM), isometric render of a generated part
Sony FE 50mm F1.2 GM (SEL50F12GM)87×87×108 mm★ sheet
Sony FE 50mm F1.4 GM (SEL50F14GM), isometric render of a generated part
Sony FE 50mm F1.4 GM (SEL50F14GM)80.6×80.6×96 mm★ sheet

Questions

How big is the Sony FE 20mm F1.8 G?

73.5 mm maximum diameter × 84.7 mm long (2.89 × 3.33 in).

What filter size does the Sony FE 20mm F1.8 G take?

67 mm.