Welch Allyn Video The Welch Allyn video colposcope is a fully self-contained, stand-alone unit that incorporates light, power and video into a unique, compact system. For colposcopy, this is a true breakthrough that makes all the benefits of high-resolution video imaging affordable for the physician. The result is more convenience, performance and satisfaction for you and your patient than has ever been available before. The direct-to-screen colposcope gives you full-screen, high-resolution images with no couplers or beam splitters to degrade image quality or field of view. Welch Allyn Solarc® lighting generates 50% whiter, brighter light for true tissue color. Push button on-screen magnification index. Unique polarization filter removes glare for accurate tissue assessment. Electronic green filter removes red from image with no light loss. Store, retrieve, compare, annotate and transmit images with advanced image management. A variety of documentation options are available. Welch Allyn VideoSpecifications Environmental / Physical Requirements Illumination: Solarc 5500 °K Color Temp Focal Length: 300 mm Magnification: 4.5X–30X Field of View: 66–14 mm Depth of Field: 112–5 mm Power Supply: 110/120 V, 220/240 V