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Comparison of digital images acquired using two adapters methods. (a and b) Images of colonic mucosa taken on an iPhone with Magnifi adapter at high power without (a) and with digital zoom (b) (Hematoxylin and Eosin, ×400) (c and d) Images of colonic mucosa taken on an iPhone with Skylight adapter at high power without (c) and with digital zoom (d) (Hematoxylin and Eosin, ×400)
