Canon Tripod Mount Ring B (Black)

• For use with:
• 100mm f/2.8 Macro USM
• MP-E65mm f/2.8
• EF 180mm f/3.5L Macro USM

For use with:,100mm f/2.8 Macro USM, MP-E65mm f/2.8, EF 180mm f/3.5L Macro USM