Tamron 20-40mm F/2.8 Di III VXD (Model A062) — dimension sheet
Source: Xem Studio, https://xemstudio.com/objects/tamron-20-40mm-f2-8-di-iii-vxd-a062/  (sheet CC BY 4.0)
Basis: Manufacturer specifications (Tamron Americas)
Catalog version: 2026-10-20

Overall (mm): length 74.4, width 74.4, height 86.5
- Tamron 20-40mm F/2.8 Di III VXD (Model A062) measures 74.4 mm in diameter and 86.5 mm long (2.93 × 3.41 in) per Tamron Americas'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  74.4 mm (2.93 in)
Length  86.5 mm (3.41 in)
Filter thread  67 mm
Weight  365 g
Mount  Sony E-mount
Model  A062

Files elsewhere (not hosted by Xem Studio; license as stated by the publisher):
- Tamron Americas: Tamron General Lens Catalog (PDF, specifications table) — web — Publisher's page; dimensions are facts — https://tamron-americas.com/wp-content/uploads/2024/11/all-lenses-1.pdf

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=tamron-20-40mm-f2-8-di-iii-vxd-a062