This shows you the differences between the selected revision and the current version of the page.
| notepad:photo:films | notepad:photo:films 2008/03/06 22:08 current | ||
|---|---|---|---|
| Line 1: | Line 1: | ||
| + | ====== Films and Resolution ====== | ||
| + | Normal 35mm film is of dimension 24mm x 36mm. The photo-sensitive chemical is distributed on the film in a resolution as high as 200 molecues/mm in the current technology. However, usually the printing from film uses only 40 lines/mm resolution and naked eyes cannot tell the difference. | ||
| + | |||
| + | This turns out, the resolution of a 35mm full-frame CCD that is comparable to the potential of film needs to have 24x36x200x200=34.56 megapixels. | ||