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Depends on Context, so I'll give you two answers...

In terms of Both monitors, and Printers, the Dot Pitch refers to the number of
Dots output by the device, or the distance between each dot.

For monitors, a dot-pitch specification of 0.25/0.26 dp means that there is one
tri-color dot of phosphor every 0.25/0.26 millimetres - ie, four dots every mm,
or about 1016 dots per inch.  This would be a good spec monitor, though lower
ratings such as 0.28 dot pitch are acceptable, they are believed to cause severe
eye strain, and can lead to visual problems with prolonged use.

For Printers, the specification is different, the dot pitch is specified in DPI
(Dots Per Inch), telling you exactly how many dots there are printed in every
inch, rather than telling you the distance between the dots as for Monitors.

DPI/Dot Pitch is important because it tells you the Resolution of a displayed
Image - the higher the resolution (in this case, not to be confused by
Horizontal and Vertical resolution on your Desktop, ie. 1024x768 - I am
referring to resolution in the 'optics' meaning of the term!), the clearer,
sharper, and more realistic the image.

Dot Pitch also applies to Scanning devices, and Cameras, and is important here
for the same reasons, the better the Dot Pitch or optical resolution, the better
the image.

Regards,
Mike Insch - IT Engineer, CCA, DipHE
SFS Creative Business Solutions Ltd - http://www.sfs-creative.co.uk
Tel:  +44 (0) 1224 624 014      Fax:  +44 (0) 1224 218 318



                                                                                       
                     
                    "The Chief"                                                        
                     
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Grab your Phillips, it's...
The Latest from The Screwdriver List!


It's time once again for The Screwdriver List Trivia Question of the Week!
As usual, there's no million dollars if you answer it right, but I think
that each of these questions will help at least one member on The List.

For this week, our question is:

What is dot pitch, and why is it important?

Know the answer?  Then speak up!  The first member that posts the right
answers is The List Trivia Guru for the week.

Good luck!

The Chief

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That's all for now from The Screwdriver List
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