This Fujinon WCV-90C 0.8x Wide Angle Converter Lens offers a wide angle coefficient of 0.8x, which delivers a 20% wider angle than your stock lens. This converter lens offers full zoom through capability for your lens with a 90mm outside diameter. Zoom Through Quality The Fujinon WCV-90C 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-90C clamps onto the front of the camera's master lens for fast attachment or detachment, whatever the case may be. This lens converter works with Fujinon professional and broadcast lenses with an outside diameter of 90mm Type | Wide angle zoom through converter lens | Application | ENG/EFP camera lenses | Format | 4:3 | Lens Mount | Clamp-on | Mounting | Mounts to outside of lens barrel | Zoom Through | Yes | Magnification | 0.8x | Converted Focal Length | Not applicable, depends on camera lens | Minimum Object Distance (M.O.D.) | MOD of original lens is decreased | Filter Size | Not Specified by Manufacturer | Dimensions | Not specified by manufacturer | Weight | 2.3 lb (1.05 kg) | |