Bulb for Topcon SBP-20 Perimeter
White Chart Illumination
Topcon SBP20 Bulb provides white chart illumination for model SBP-20 Perimeter (visual field instrument). Incandescent bulb, 6v, 5w. Topcon factory bulb part number 43108-12230. Please also see
main bulb for Topcon SBP-20 Perimeter.