#Lens Data
- Historical: Canon Camera Museum
- Current: EOS Catalog (PDF, 2014)
- Nikkor Brochure (PDF, 2014)
- Rokinon 2015 Catalog (PDF, 2015) Referenced from their Facebook page
- Samyang Catalog (PDF, 2014)
- Sigma Lens Catalog (PDF, 2014)
- Tamron Catalog (PDF, 2014)
- Sony Lens Guide (PDF, 2013) A-Mount and E-Mount
- Japanese version (PDF, 2014)
- The Complete Micro 4/3 Lens List (Constantly updated)