By rotating two fingers in a turning motion on this loupe, you can zoom in closer.

WSJ: The Digital Solution: Letting Your Fingers Do the Photo Editing

There is no function to these decorative notches, which you need a jeweler's loupe to see clearly.

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He had been working on one of his Centigraphe Souverain watches while we talked, a jeweler's loupe plugged into one eye.

FORBES: Magazine Article

It incorporates functions such as a loupe, exposure picker, print, JPEG conversion, and batch white balance settings, highlight correction, noise reduction and aberration correction mode.

ENGADGET: Sigma DP3 Merrill packs a Foveon X3 sensor and a fixed F2.8, 75mm-equivalent lens

Diane Loupe is a freelance writer and editor in Decatur, Ga.

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By tapping two fingers on a photo, a loupe appears.

WSJ: The Digital Solution: Letting Your Fingers Do the Photo Editing

At first glance, the four Japanese men at the booth could have been doing anything on their MacBook Pros -- there wasn't a musical instrument in sight -- but upon closer inspection, they each appeared to be holding identical loupe-like devices, connected to each laptop via USB.

ENGADGET: Gocen optical music recognition can read a printed score, play notes in real-time (hands-on video)