If you plan to have them on paper, 2 MP (Mega pixels) 1600x1200 Pixels- is good for high quality 4X6 inches picture, or acceptable quality 8X10 inches picture. 3MP (2048x1536 pixels) is good for high quality 8x10 inches picture and acceptable quality: 10 x 13 inches picture If you plan to view then on-screen, or share via email or website, (smaller size take less time to upload), less then 2MP (mega pixels) is better. Reduce the size to 800x600 pixels, 640x480 pixels or 320x240 pixels , because most computers today have a monitor resolution of 1024x768 pixels. Larger than that, means that is too large for the screen and you have to use your mouse to slide the bar up and down, left and right in order to view the complete picture. Rodrigo-Digo
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A resolution of 300 PPI (pixels per inch) is the ideal. But, sometimes this isn't possible and you can comfortably go down to a resolution of 250 PPI and get excellent prints. Even 200 PPI may give good results. If you go below 150 PPI (some say 100) you will begin to see noticeable degradation in the print.
To determine the PPI, divide the largest dimension in pixels by the longest side of the intended print.
Your image is 2000 x 2500 pixels
You intend to print 8x10 inches
2500 divided by 10 = 250 PPI -- will make a good print.
You intend to make an 12x12 inch print
* 300 PPI times 12 = 3600 -- ideally your image dimensions should be 3600 pixels by 3600 pixels * 150 PPI times 12 = 1800 -- your image dimensions should be no less than 1800 pixels by 1800 pixels
This may come as a shock to many people, but photographs come in more than one size.
Hopefully your camera has a setting to adjust your picture quality or resolution. If not, you will have to use image editing software to correct the pictures.
it all depends on the picture you take to be honest but 64 MB will not last very long, i can tell you that you aren't going to get many pics unless you set the camera to take the smallest size. most cameras you can change the settings to select the image size, small, med, large, and for a small memory card like you have, it would probably be best to pic small on settings.
Well this really depends on your camera and the image size that you are going be shooting and whether you are going to shoot in .jpeg or RAW but if you are talking about regular digital cameras on a medium size image, you can take about 600-1000photos but on something more serious like a DSLR, in case with my Nikon D300s, you can only take about 200shots RAW.
You can enlarge image in Image Size dialog in Photoshop, Image > Image Size. At top of window you will see current/new size in bytes. When you enlarging images be aware because you can loose quality.
Here's a couple of possibilities. A camera case, to store your digital in- or a Memory Card. A one gig card will save over 1000 nice size pictures. The internal camera storage memory is almost nil. eD