The Fujinon WCV-75C is a superior quality wide angle converter lens attachment for standard definition videoconferencing lenses. It provides 20% increased wide angle while the relative aperture of the camera lens remains the same. Zoom Through Quality The Fujinon WCV-75C adapter provides the user with greater wide angle view and shorter minimum object distance than the master lens attached to the camera. In addition this wide angle adapter does not change the relative aperture of the master camera lens. Clamp-On Mounting The WCV-75C clamps onto the front of the camera's master lens for fast attachment or detachment, whatever the case may be. This attachment fits on videoconferencing lenses with an outside diameter of 75mm. Type | Wide Angle Zoom Through | Application | 20% wider view for videoconferencing lenses | Format | 4:3 | Lens Mount | Clamp-on | Zoom Through | Yes | Magnification | 0.8x | Converted Focal Length | Not Specified by Manufacturer | Minimum Object Distance (M.O.D.) | 0.38m | Filter Size | Not Specified by Manufacturer | Dimensions | Not Specified by Manufacturer | Weight | 1.09 lbs 0.57 kg | |