The TCV-100C from Fujinon is a 1.6x Standard Definition Tele Converter designed for professional broadcast and ENG Applications. It provides a 1.6x magnification of the image without changing the speed of the lens to which it is attached. The TCV-100C is designed to render a sharp image while zooming throughout almost the entire range of the lens with some loss of picture edge occurring at the wide-angle end of the zoom range. The TCV-100C is designed for SD image capture, and mounts by clamping on to the front of ENG lenses with a front outside barrel diameter of 100mm. No Change of F-Stop of Master Lens The TCV-100C Tele Converter increases the magnification of the image by 1.6x without the same loss of light that a behind the lens extender causes. This SD Tele Converter allows you to use your same lens to shoot at longer focal lengths without having to open the lens iris, boost gain, or capture an under exposed image. 100mm Clamp-on Design With its clamp-on design, the TCV-100C will fit broadcast and ENG lenses with a 100mm front outside barrel diameter. It works with the following Fujinon lenses: A20x8 A22x7.8 A23x7.6 A12x6.8 Type | Tele Converter | Application | Standard ENG and EFP | Format | 2/3" | Lens Mount | Clamp-on 100mm front diameter | Mounting | Mounts to outside of lens barrel | Zoom Through | Yes | Converted Focal Length | Varies with Lens | Minimum Object Distance (M.O.D.) | Increased | Filter Size | Not Specified by Manufacturer | Dimensions | Not Specified by Manufacturer | Weight | 2.3 lb (1.06 kg) | |