Anthis/Nexus Lens Supporter & Focus Gear P Set for Canon EF 100mm f/2.8L Macro IS USM Lens

Anthis/Nexus Focus Gear LSFGPS-EFM100ISUSM enables manual focus adjustment for the Canon EF 100mm f/2.8L Macro IS USM lens via the port's focus/zoom knob when used with Anthis/Nexus dSLR housings.