Canon RF28-70mm F2 L USM lens — dimension sheet
Source: Xem Studio, https://xemstudio.com/objects/canon-rf-28-70mm-f2-l-usm/  (sheet CC BY 4.0)
Basis: Manufacturer specifications (Canon Canada)
Catalog version: 2026-10-20

Overall (mm): length 103.8, width 103.8, height 139.8
- Canon RF28-70mm F2 L USM lens measures 103.8 mm in diameter and 139.8 mm long (4.09 × 5.5 in) per Canon Canada's specifications.
- Filter thread is 95 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  103.8 mm (4.09 in)
Length  139.8 mm (5.5 in)
Filter thread  95 mm
Weight  1,430 g (approx. 3.15 lb)
Mount  Canon RF

Files elsewhere (not hosted by Xem Studio; license as stated by the publisher):
- Canon Canada: Canon EOS R System - Specs: Lenses — web — Publisher's page; dimensions are facts — https://www.canon.ca/en/Features/EOS-R/EOS-R-Specs-Lenses

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-28-70mm-f2-l-usm