Sony Reader PRS-500

The display is a 6″ E-Ink display. The battery is good for 7500 page turns. Because the display requires power only when the image is changed, the slower you read, the longer the PRS-500 will last. PDF, TXT, RTF, RSS feeds and Microsoft Word files are supported. According to Engadget, who managed to play with Sony’s Reader, readability is very good and much better than LCDs.

According to E-Ink, white state reflectivity is 37%, contrast ratio is typically 8:1, viewing angles are 170-degrees, pixels are 2-bit generating 4 levels of gray, and image update times are 1000ms for grayscale mode and 500ms for 1-bit mode. Sounds pretty unimpressive compared to LCD TV specifications, but you have to realize that most of the time this display isn’t doing anything and that’s what it was designed to do. For a 6″ display, the Sony PRS-500 has a pretty high resolution of 800 x 600.

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