Zoom gears allow access to the mechanical zoom 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 zoom gear is for the Canon EF 16-35mm f/2.8L III USM lens.
![RAM Mount Pin-Lock Security Kit f/ 1.5" C Size Mounts and Gimbal Bracket [RAP-S-KNOB5-GU]](https://www.bgtebase.shop/image/ram-mount-pin-lock-security-kit-f-15quot-c-size-mounts-and-gimbal-bracket-rap-s-knob5-gu_Mhm1jJ_285x.webp "RAM Mount Pin-Lock Security Kit f/ 1.5\" C Size Mounts and Gimbal Bracket [RAP-S-KNOB5-GU]")
