Canon Knowledge Base - How to locate the serial number on the lens
PSA: Some Tamron 70-180mm f/2.8 Lenses Have a Calibration Issue | PetaPixel
Lens serial number question: Sony Alpha SLR/SLT A-mount Talk Forum: Digital Photography Review
What does the serial number mean on your Canon lens?
Sony Hit with Lawsuit Alleging its Lens Serial Numbers Fall Off | PetaPixel
Where to find your serial number - Canon Europe - Canon Europe
A guide to locating Canon equipment serial numbers
Notice to Owners of the Planar T* FE 50mm F1.4 ZA Interchangeable Lens - 17th Oct 2017 | Sony AP
70-200ii purchase year and serial No.: Canon SLR Lens Talk Forum: Digital Photography Review
Re: Where are Nikon lens serial numbers located on older AF lenses?: Nikon SLR Lens Talk Forum: Digital Photography Review
Canon lens date codes and EF lens chronology
Serial Number Location RF 24-105mm F4 L IS USM | Canon Forums
Where to find your serial number - Canon Europe - Canon Europe
How To Find The Serial Number On Your Nikon Coolpix B500 Camera – Mecam.me
Nikon Lens Versions and Serial Nos
How to Check the Serial Number On Your Camera Gear
How to Check the Serial Number On Your Camera Gear
Nikon Cameras & Lenses Serial Numbers Resource Online - Check out Photosynthesis Tons of Nikon Info - YouTube
Finding Serials, Manufacturer Guides, & More – Lenstag Blog
Canon lens date codes and EF lens chronology
Panasonic - How to find the model number or serial number of a Panasonic product
Where to find your serial number - Canon Europe - Canon Europe
US prefix serial number: Nikon SLR Lens Talk Forum: Digital Photography Review
Sigma Issues Service Notice for 28-70mm F2.8 DG DN Contemporary Lens
EF 24-105mm f/4L IS II USM Lens - Canon India
Dear SIGMA 28-70mm F2.8 DG DN | Contemporary users SIGMA Benelux
Notice to Owners of the FE 24-105mm F4 G OSS Lens - 12th Feb 2018 | Sony AP
How to determine age of a Canon lens - MyPhotoCentral
