These were used on Mitsubishi’s visual telephone display. Package includes a 6 X close-up lens with 32 x 40mm (1.25 x 1.57”) image area, with a focal distance of 73mm (2.87”), and a .4 (point four) wide angle 476 x 595mm (18.74 x 23.42”), with a focal distance of 1082mm (42.59”). 25 x 40mm wide plastic lenses in plastic mounts.