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Photonics Spectra
Jan 2007
Prior Scientific Inc.Request Info
Prior-Scientific_LumenPRpho.gifThe Lumen 200 series fluorescence illumination systems from Prior Scientific Inc. were designed to replace standard microscope HBO-type mercury lamphouses. Using a 200-W metal arc lamp with a 2000-h lifetime, they illuminate fluorescently labeled specimens. Coupled to the microscope with a 2- or 3-m liquid lightguide, they provide even illumination and eliminate the need for bulb alignment. With the lamphouse physically removed from the microscope, heat transfer is eliminated, enabling thermal stability for experiments over a long period. The series comprises the standard Lumen 200 model and the Lumen 200Pro, which features a six-position, 25-mm-diameter high-speed filter wheel as well as a high-speed, variable-aperture shutter.


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An instrument consisting essentially of a tube 160 mm long, with an objective lens at the distant end and an eyepiece at the near end. The objective forms a real aerial image of the object in the focal plane of the eyepiece where it is observed by the eye. The overall magnifying power is equal to the linear magnification of the objective multiplied by the magnifying power of the eyepiece. The eyepiece can be replaced by a film to photograph the primary image, or a positive or negative relay...
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