Tamron 18-300mm F/3.5-6.3 Di III-A VC VXD (Model B061) — dimension sheet
Source: Xem Studio, https://xemstudio.com/objects/tamron-18-300mm-f3-5-6-3-di-iii-a-vc-vxd-b061/  (sheet CC BY 4.0)
Basis: Manufacturer specifications (Tamron Americas, Tamron)
Catalog version: 2026-10-20

Overall (mm): length 75.5, width 75.5, height 125.6
- Tamron 18-300mm F/3.5-6.3 Di III-A VC VXD (Model B061) measures 75.5 mm in diameter and 125.6 mm long (2.97 × 4.94 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  75.5 mm (2.97 in)
Length  125.6 mm (4.94 in)
Filter thread  67 mm
Weight  620 g
Mount  Sony E-mount
Model  B061
Nikon Z version length  127.6 mm
FUJIFILM X version length  125.8 mm
Canon RF version length  123.6 mm

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
- Tamron: 18-300mm F/3.5-6.3 Di III-A VC VXD (Model B061) - specifications — web — Publisher's page; dimensions are facts — https://www.tamron.com/global/consumer/lenses/b061/spec.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=tamron-18-300mm-f3-5-6-3-di-iii-a-vc-vxd-b061