CMEF60-F Focus Gear ~for Canon EF-EOS M Adapter and EF-S 60mm f/2.8 Macro USMFocus gears allow access to the mechanical manual focus function of supported lenses. Use of this gear may require the use of additional port extensions or adapters. Check the Port Chart for more details. This focus gear is for systems using the Canon EF EOS M Adapter combined with the Canon EF S 60mm f 2. 8 Macro USM lens. This item is non returnable, non refundable, non cancellable, and may be subject to extended lead times as it is manufactured on