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Blended light is an important source of degeneracy in the characterization ofmicrolensing events, particularly in binary-lens and high magnification events.We show how the techniques of image subtraction can be applied to form an imageof the blend with the source removed. In many cases, it should be possible toconstruct images with very high signal-to-noise ratio. Analysis of these imagescan help distinguish between competing models that have different blendfractions, and in some cases should allow direct detection of the lens.Comment: title changed, accepted version (including one figure), to appear in  the Astrophysical Journal (Feb, 2002

Resolving Microlens Blends Using Image Subtraction