Eiko CAX-130 Ophtalmic Lamp Light Bulb, Part Number 790, 50 Watts 130V, T8, BA15d Base, 2875K, 775 Initial Lumens 130 Voltage Rating, 50 Watts DC Bayonet (BA15d) Base, T-8 Bulb CC-13 Filament, 1.38"/34.9mm LCL 3.13"/79.4mm MOL, 1.00"/25.4mm MOD 775 Lumens, CT deg K 2875, 50 Rated Life