The 8mm name attempted to cash in on the popular home movie film used by consumers over the previous 40 years. With improved tape manufacture it became possible to pack more information onto the same tape width. The smallest tape introduced up until this time, it was the first format to use metal-particle tape, and produced a horizontal resolution of 240 lines. The single unit "camcorders", a lightweight camera and VTR, soon became the preferred method for home recording.