[muglo] Re: HELP for Scanner
- From: Gerhard <gerhardk@xxxxxxx>
- To: muglo@xxxxxxxxxxxxx
- Date: Tue, 5 Apr 2005 19:56:04 -0400
When scanning pictures and figuring out the size of the output you have
to pay attention to DPI. The average Mac screen has a resolution
somewhere between 72 and 100 DPI so to display a 6 x 4 picture you
would need approximately 600 x 400 pixels. If on the other hand you
want to print this picture 6 x 4 you would need a resolution of 300 DPI
or 1800 x 1200 pixels. I gather that you scanned the picture at 300
DPI which would make the screen size about 4 x as big. I also use a
Canon scanner, a Lide 20, which is now considered a very low end
scanner but I have been very satisfied with it.
Gerhard
On Apr 5, 2005, at 7:15 PM, Paul Thomas wrote:
>
> Whilst on the subject of scanners, can one explain why it is that the
> scanned picture is about 4 times the size and appears on the screen as
> approx full size with a 27% scale!! I am using a Cannon Lite but my
> son also has a similar output with his (I don't know what make !! We
> figured that this was done so that one can get a large picture if
> desired with good resolution! Does anyone know the real answer? Not a
> serious matter as one just has to scale it down by 27% to get it right
> - just curious or can one change a parameter somewhere? I haven't
> found one if there is!!
>
> Paul
>
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