Can I operate the FocusONE without a lens gear attached? Ashley July 26, 2018 20:31 Yes, you can, however, a Lens Gear is also included within the packaging of your FocusONE. Related articles How do I align the FocusONE's control knob? Does the Vision Module work with the FocusPLUS PRO? Do I need a lens gear when working with the FocusPLUS PRO? I bought your products from an official reseller. How do I register them for your warranty? How do I assemble the Focus Module? Comments 0 comments Please sign in to leave a comment.