HEI-FM-MF SA02021118 HEI Scope HEI Series Manual Focus CCD Camera Mounting Plate with 14"-20 Screw and 5/8" Bonder Pin for Boom Stands, Used with MACRO Zoom Lens. 50mm Focus travel distance, 5/8" Tilting end adapter; One 1/4-20" standard screw is used to hold the CCD Camera.