Re: File Sizes

the program that will let you change the file type from BMP to JPEG is  
likely to alooow you to change the resolution and picture dimensions.  
If not something like Photoshop or Photoshop Elements, or one of the  
several PC based programs that have been mentioned on the list will  
provide that facility. Maybe someone else can mention the better known  
PC programs.

John
On May 5, 2004, at 9:45 PM, acb wrote:

> I'm ignorant on reducing picture sizes, dpi, etc. I know I can change
> jpg to bmp, etc which will reduce some but how do I get them to the
> sizes that you suggest?
> Thanks,
> Art Bern
>
>
> ----- Original Message -----
> From: "John I Jones" <jijones@usjoneses.com>
> To: "iris-photos" <iris-photos@yahoogroups.com>
> Sent: Wednesday, May 05, 2004 7:43 AM
> Subject: [iris-photos] File Sizes
>
>
>>
>> Just a note about posting photos and their file size.  A 90KB file
>> takes about 35 seconds to download at 28kbs over a modem. I realize
>> that a lot of phone lines support higher speeds, but that is a good
>> data point.
>>
>> a 4" X 5" picture at 72 dpi at high quality compression yields a
> file
>> size of about 20 KB and takes 7 or so seconds to download at the
> rate
>> above.
>>
>> Please try to keep your file sizes between 40 and 80 KB by
> controlling:
>>
>> the resolution (dpi)
>> picture size
>> amount of compression
>>
>> That will still assure that you get a good looking picture on the
>> screen.
>>
>> Thanks
>>
>> John                | "There be dragons here"
>>                           |  Annotation used by ancient
> cartographers
>>                           |  to indicate the edge of the known
> world.
>>
>> List owner iris@hort.net and iris-photos@yahoogroups.com
>> ________________________________________________
>> USDA zone 8/9 (coastal, bay)
>> Fremont, California, USA
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                          |  Annotation used by ancient cartographers
                          |  to indicate the edge of the known world.

List owner iris@hort.net and iris-photos@yahoogroups.com
________________________________________________
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Fremont, California, USA
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