FQ152/220 Includes Only:Annular Fiber Halogen IlluminationFiber Optic Annular Ring LightAnnular Fiber Halogen Illumination Features:High Output 150 watt quartz halogenHalogen Lamp 21V 150W220V, 50/60Hz OperationSingle on/off intensity control increases lamp lifeEasy lamp access without toolsHeavy duty all metal constructionLamp color temperature: 3250KAC Fan includedLong life ball bearing cooling fanVery Low noise and vibrationProven design and extremely high reliabilityAccepts virtually all light guidesOptional tethered simple remote control with 8' cordDimensions : 7"W x 7"L x 6"HOutput aperture 1" (25.4 mm) standardFiber Optic Annular Ring Light Features:Annular Fiber Optic RingRing Top Inner Diameter 2.362" (60 mm)Ring Bottom Inner Diameter 2.00" (50 mm)Input End 0.625" (15.86 mm)Borosilicate FiberBundle Diameter 0.371" (9.45 mm)Cone Angle: 10Focal Length: 1.78" (3.56") Stainless Steel InterlockIlluminators are used in a wide range of manufacturing, microscopy, metrology, medical, research, and other applications. The Fiber Optic Illuminators are often referred to as "Cold Light" Illuminators because they provide high intensity, focused light without the heat typically associated with high intensity lamps. The common uses for the Microscopes and Video Microscopes Boroscopes, Industrial Imaging (Machine Vision), and Custom Process and Inspection Equipment (Wire Bonders, Laser Welding). Allows a uniform halogen illumination of focused white light which can be used in different applications. Included is an on/off intensity control which allows easy adjustment of intensity. In addition, the lock-in feature allows light guides to stay in place and permits the illuminator to operate on its back without fear of falling off.