Extends a Mirrorless Flat Port for use with longer lenses. Combine with the Mirrorless Flat Port Extended to use the Canon 100mm IS USM Macro lens with the Ikelite Housing for the Canon EOS 100D Rebel SL1 DSLR. Auto focus only.

Use the Lens Extension 2.2-inch plus Mirrorless Flat Port Extended with:

• Canon EF-S 18-55mm f/3.5-5.6 IS STM *
• Canon EF-S 18-55mm f/3.5-5.6 IS STM *
  + Canon Extension Tube EF 12 II
• Canon EF-S 18-55mm f/3.5-5.6 IS STM *
  + Canon Extension Tube EF 25 II
• Canon EF-S 18-55mm f/3.5-5.6 IS STM
  + Canon Extension Tube EF 12 II
  + Canon Extension Tube EF 25 II
• Canon EF-S 60mm f/2.8 Macro USM
  + Canon Extension Tube EF 12 II
• Canon EF-S 60mm f/2.8 Macro USM
  + Canon Extension Tube EF 25 II
• Canon EF-S 60mm f/2.8 Macro USM
  + Canon Extension Tube EF 12 II
  + Canon Extension Tube EF 25 II
• Canon EF 100mm f/2.8L Macro IS USM
• Canon EF 100mm f/2.8L Macro IS USM
  + Canon Extension Tube EF 12 II
• Not usable with older Canon 100mm Macro lenses

* No zoom or manual focus control. Zoom lenses must be used at a fixed focal length.

An interchangeable lens camera demands a housing with interchangeable lens ports. It couldn't be more simple to change ports than this system—just press the port on and tighten three thumb screws. Feel positive reinforcement that the port is secure without any complex moving parts that can jam or break in a remote location.