U10D,S300D,u300D is a camera model designator for Model 10 or Model 300 series digital cameras manufactured by Olympus. This text string is among the information embedded by the camera in the coding of the .JPEG image, mostly to help a computer find a compatible program (PictureViewer, Preview, etc.) to open it if it's not properly suffixed.

The Olympus U10D, S300D, u300D weighs 165 grams, and is 99mm x 56mm x 33.5mm. It uses an XD-Picture Card for storage, and connects to the computer using USB. The camera comes with Olympus Camedia Master which allows a user to download and edit photos.

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