From the Manufacturer Dust Cap E Rear This is a must for all EOS bodies! Use this cap to protect the contacts when a lens is not attached. Compatible with: EF Lenses, Tele-Extenders and Extension Tubes.

• Brand: Canon
• Protects rear contacts of Canon SLR lenses
• Easy to attach
• Sturdy protection
• Quality Canon design
• Compatible with EF lenses, tele-extenders and extension tubes