Ikelite 5509.23 Zoom Ring for TOKINA 16-28 Refer to the appropriate lens port chart of the housing for compatibility.

Ikelite 5515.07 Zoom Gear for OLYMPUS 12-40 (DLM/B) This gear is not compatible with all housings. Refer to the appropriate lens port chart to select the correct gear for your lens.

Ikelite 5509.22 Zoom Ring for SAMSUNG 16-50 A special zoom gear for use with the Samsung 16-50mm Lens and Ikelite housing.

Ikelite 5515.22 Zoom Gear for PANASONIC 14-45 (DLM/A) This gear is not compatible with all housings. Refer to the appropriate lens port chart to select the correct gear for your lens.

Ikelite 5509.32 Zoom Ring for SONY FE 12-24 MM F4 G This gear is not compatible with all housings. Refer to the appropriate lens port chart to select the correct gear for your lens.