Wednesday, March 30, 2011

Buying a Scanner

Scanner

1. HP Scanjet G3110 Photo Scanner

2. specifications click here. there are too many.

3. DPi = up too 4800 DPi

DPi (dots per inch) refers to the resolution. the more dots the higher the resolution.

Resolution = 216 x 297 mm

The resolution refers to the amount of information per DPi (dots per inch), that the scanner can read. The more dots the higher the resolution.

Colour depth = 48bit

The Colour depth also known as the Bit Depth is the amout of information the scanner gets, the higher it is the more colours get used and it looks better. Most scanners have a 24 bit depth.

 

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