A versatile microscope with rotating lens brings advanced digital enlargement and image capture features to a hand-held format for the first time. The iLoupe XL, a second-generation model with added capabilities, is manufactured exclusively for Aven, Inc. The new product magnifies from three to 300 times and has a 5.1-megapixel, high-resolution sensor for detailed images. Six white-light LEDs with an adjustable intensity control assure clear, bri...