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Images
Tonight I've been comparing the image abilities of the Opus and the Boox. I picked the Opus over my original Kindle because I had thought the Opus had 8 level gray scale. I'm wrong; it's actually four. The Boox has 8 level, so the fact that the images look better on it was a foregone conclusion. But what is worth noting is that when both devices are viewing images, the Boox is noticeably faster at refreshing the screen. It's at a disadvantage because of the more gray scale levels and yet it's still faster.
The Boox has surprisingly good sketching ability. I can draw on an image in 5 line thicknesses in black and _white_. (I wonder if the Iliad or the Sony Reader can do that?) I can also erase a sketch by simply touching part of it with the stylus while in the eraser mode.
The lag between movement and the image changing looks to be that of a screen refresh. It doesn't refresh the image after the sketch is done; instead it changes a few pixels at a time as I draw. Very nice.
Alas, the changes to an image are not permanent. A sketch added to an image is stored in a separate file.
The zoom features is impressive. Besides the expected zoom options (page size, fit to height, fit to width, and the fractional zoom from 75% to 400%), I can also use the stylus to select part of the image to zoom in on.
I have to say that I'm impressed by the general quality of the image viewer. I think it's good enough that I can use it as a notepad. The only feature it needs is the ability to export a new image.
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