Ikelite 5515.11 Zoom Gear for CANON 18-55 F/4-5.6 STM (DLM/C) 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 5515.04 Zoom Gear for OLYMPUS 14-42 M.ZUIKO EZ This gear is not compatible with all housings. Refer to the appropriate lens port chart to select the correct gear for your lens.

Ikelite 5509.21 Zoom Ring for CANON 24-70 F/4 Refer to the appropriate lens port chart of the housing for compatibility.

Ikelite 5509.33 Zoom Gear for SIGMA 10-20 F/4.5-5.6 This gear is not compatible with all housings. Refer to the appropriate lens port chart to select the correct gear for your lens.

Ikelite 5515.43 Zoom Gear for Sony 10-18 This gear is not compatible with all housings. Refer to the appropriate lens port chart to select the correct gear for your lens.