Canon RF50mm F1.2 L USM lens — dimension sheet
Source: Xem Studio, https://xemstudio.com/objects/canon-rf-50mm-f1-2-l-usm/  (sheet CC BY 4.0)
Basis: Manufacturer specifications (Canon Canada)
Catalog version: 2026-10-20

Overall (mm): length 89.8, width 89.8, height 108.0
- Canon RF50mm F1.2 L USM lens measures 89.8 mm in diameter and 108 mm long (3.54 × 4.25 in) per Canon Canada's specifications.
- Filter thread is 77 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  89.8 mm (3.54 in)
Length  108 mm (4.25 in)
Filter thread  77 mm
Weight  950 g (approx. 2.09 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-50mm-f1-2-l-usm