Canon RF100-400mm F5.6-8 IS USM lens — dimension sheet
Source: Xem Studio, https://xemstudio.com/objects/canon-rf-100-400mm-f5-6-8-is-usm/  (sheet CC BY 4.0)
Basis: Manufacturer specifications (Canon Europe)
Catalog version: 2026-10-20

Overall (mm): length 79.5, width 79.5, height 164.7
- Canon RF100-400mm F5.6-8 IS USM lens measures 79.5 mm in diameter and 164.7 mm long (3.13 × 6.48 in) per Canon Europe'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.

dimension  value
Maximum diameter  79.5 mm (3.13 in)
Length  164.7 mm (6.48 in)
Filter thread  67 mm
Weight  635 g
Mount  Canon RF

Files elsewhere (not hosted by Xem Studio; license as stated by the publisher):
- Canon Europe: RF Lens Lineup (RF Lens World) — web — Publisher's page; dimensions are facts — https://files.canon-europe.com/files/webcontent/rf-lens-world/features/rf-lineup/index.html

No true-size file yet: the published figures do not fix the whole shape; a measured scan is planned.
API: https://xemstudio.com/api/geometry?object=canon-rf-100-400mm-f5-6-8-is-usm