Portable MoleCam captures stable, high-resolution video footage of tank internals, revealing conditions such as rust, cracking, corrosion, deposits, and physical damage. Video camera zooms 72:1 to view text-sized imperfections on walls as far away as 90 ft; 250 W lamp illuminates targets up to 100 ft away. Camera descends 8 ft through 5 in. access hole. Pendant controls all functions, including pan, tilt, zoom, focus, boom descent, and illumination. Operator views images on 4 in. LCD or remote monitor. Entire system resides on hand truck chassis.