Current, most number camera has resolution of a few class to be able to offer an alternative, how to decide to should choose to film how oldly resolution? The image utility after filming is the main reason that the influence needs to choose resolution of which one level to undertake filming. If digital photograph just is used at the webpage to be made, do not need too high resolution so, if just show on monitor,use, must remember, image shows the concern with setting mutual and corresponding existence like element and monitor. If want to make image complete,so screen shows a level 640 × on the 480 indication screen that resemble element, so what you need is a 640 × merely the 480 image that resemble element. If screen shows the setting is 1280 × 960 resemble element, so the 480 image that resemble element can occupy 640 × only the half space of screen. Do not need to consider every inches amount resembling element, monitor cares about water merely gentle and perpendicular the amount that resembles element.
If your digital photograph will be used at printout, so you need to remember, screen shows and print, presswork output is two different matters, you need to understand two vocabularies and remember the relation between them, picture resolution is descriptive image is total resemble prime number (PPI) , it is an unit with PPI. And the output resolution that those who decide image outputs quality is image, descriptive is every inches of can produce check the number when equipment outputs image (DPI) , it is an unit with DPI. Both have connection but not equal, "Image of = of ÷ output resolution outputs picture resolution dimension " . Presswork with the magazine for exemple, output resolution lowest asks to be 300 DPI, picture of 16 full edition also makes an appointment with 3200 × with respect to need the resolution of 2400.
