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Video Card Problems/reducing pictures size



You did help me in the past and I am hoping you could help me again.  I am in a process of moving many pictures from my Zoom browser program, Canon Powershot SX-20, into several folders on my desktop.  I noticed that many of the pictures are about 3 mb. each!!    Is there any convenient way to change the size of all the pictures to a reasonable size of about 80 kb. , I guess?  Before moving, while moving or after they are in the new folders on the desktop which I ean to backup into cd's/DVD's?  
And, is there a way to adjust the camera - Canon Powershot SX20 so that pictures taken in the future will be in much smaller size?  
Thank you very much,      Gabriel

80kb is probably an unrealistic goal per-file, but you can reduce the size of images by either compressing them (e.g. if they are all bmp files, re-save them as jpeg or png - there is some quality loss associated with compression, especially jpeg, but you will reduce file size; its a trade off) or reducing the actual image size (e.g. scale them down to a smaller resolution). Generally this is most easily done with image editing software like Photoshop (which can batch automate these kinds of processes), but on a more realistic budget (e.g. you don't want to spend money, let alone thousands of dollars) you can get away with MS Paint or "intermediate" (and free) image editors like Paint.NET or GIMP. This is going to be a more per-piece process, however.

As far as getting the camera to produce smaller images, go into its Settings menus, and look for options related to the above - if you can get it to encode pictures as jpeg or png that will reduce size vs lossless bitmap or RAW (I'm doubting you've got a bunch of RAW files though, since they're only 3MB a piece as-is), and also lowering its resolution; again, there will be trade-offs in image quality, but you'll save disk space.

Alternatively, storage these days is pretty cheap, and 500-1000GB of hard disk isn't that big of an investment, so if you're happy with the quality of your pictures as-is, it may make more sense to just buy a large external hard-drive and keep your photos on that (at 3MB per each, a 500GB hard drive would comfortably hold ~150,000 photos; a 1000GB (1TB) drive would hold around twice that).

If you have further questions, feel free to ask.


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