Quote:
Originally Posted by nynor
holy spit!
i have a nice film scanner for working with 35mm film, negatives or slides. it has 3600 true DPI. a scan of a single slide or negative is huge. i can't even remember how big the file is, but 120MB each seems to be about right. you can see the grain of the grain of the film at that resolution.
|
We scan each 9x9 negative at 12 microns. That is about 2,100 DPI. It makes a file that is 19,000 x 19,000 pixels that is 1.05 Gig. A roll of film cost about 2,700 bucks and is about 500 frames of film. When we fly the OKC metro area we use an entire roll of film flying at 12,000 ft. There is a lot of overlap of each image. We then mosaic the images together into one giant mother image. When it is done each pixel covers about one foot of ground. We then put that image in stock and sell pieces of it for years to come.