Welch Allyn, Pocketscope Ophthalmascope, Model 12820

2.5v Lightweight pocketscope Ophthalmoscope, compact diagnostic instruments deliver high performance in a slightly smaller package.  Halogen light for true tissue color and consistent, long-lasting illumination with "AA" handle. 12 aperture/filter combinations for greater versatility: micro, small, and large spot sizes, cobalt blue filter for corneal exams, fixation target, and slit aperture, plus red-free filter and unfiltered halogen 48 focusing lenses for better resolution. 

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