Eiko brand 30 Watt VIDEO grade halogen capsules. JC type, 12 volts for low voltage systems. Low voltage means a smaller fillament, for greater optical control.
NOTE - this is NOT a general purpose halogen lamp. It produces more light, with a brighter color, than ordinary halogen, but is only rated for 50 hours of life. Generally used in video photography applications.
DOUBLE CHECK the distance separating the two pins on your existing lamp. They come in different sizes and if the pins do not match up correctly, the capsule will not fit properly. Distance between pin tips for this version is 4mm (0.16")