One reason the images look so rich and unique is that the scanner lights it subject with a bar of light that travels with the sensor bar, thus simulating a light that stretches over every inch of the subject. This could be done with a regular photo, but not easily with larger subjects and you always have the dark spot where the camera is sitting. Perfect edge to edge focus with out distortion and perfectly even lighting. Cool idea. Great pictures.

Here is the (I think) big diff: A scanner has what would be optically-equivalent to an infinite focal length. In a camera, the lens takes all the light coming in at angles and projects them onto a plane. In a flatbed scanner, all the rays of light are coming in parallel, so there is no distortion of the image. It's very cool to look at pictures at this extreme end of focal length.

I first noticed the 3D coolness of scanning things when I 'backed up' my hardcopy phone-list at work around 98-99, and noticed how crisply the wrinkles looked (it was a very abused phone list!).

My girlfriend and I since have done scans of strange objects and object collages, maybe we should do a showing!

They're alright. I've just got addicted to lens-based stuff, although pinhole looks like a good way to produce similar images, or alternatively f/64 on a large format camera lens. Both of those will give a near infinite depth-of-field, and then you can get creative at the enlarging stage, preferably with a long exposure on a stopped-down lens (f/45 on my Minolta enlarger lens)

Jill Staples, a photographer who runs my local independent group (Independent Photographers South-East - UK), does similar things with flowers...

A few of her pictures are here, but as always with pictures, they look better 'in the flesh'...
http://homepage.ntlworld.com/a.mynett/ipse/gallery/gjill.htm

I had a play with scanning non-flat stuff for a competition a while back. Nice effect:

http://members.optusnet.com.au/~kris_j/label017.jpg

(The "spotlight" effect is from photoshop, the original is even from top to bottom.)

This actually has a relatively long tradition. Wallace Berman was famous in the 1960s for his copier art, he discovered you could put the copier on its side and it had a relatively high depth of field. His late '60s copier artworks are icons of the LA art scene, and are highly collectible but alas, are doomed to deteriorate due to the impermanent copier media.
I played around with copier art in the early 1970s when I was in art school, mostly because everyone was interested in it but nobody really did it. I found the 3M VQC copier series had some amazing properties, it was designed for reproducing photos and had much better continuous tone reproduction compared to regular xerography. It was like gravure printing, and had an additional bonus that the paper was perfect for silverpoint drawing. But alas, the VQC copier was too expensive for commercial use and eventually was discontinued. But oh was it a sweet copier system.
So there's a lot of history of flat copier art that turned into scanner art. Computer Arts magazine did a feature a month or two ago about "scanography" by some designer that sliced fruits and scanned the cut sections flat against the glass. This is a fairly common technique now, so it's hard to think of how powerful these images were, way back in the 60s when copiers were first invented.

Hmmm. Maybe my scanner just sucked, but I never got good
results when I tried this sort of stuff. Nowadays I don't
have a scanner, so I can't try it again.

Results will depend on your scanner, Eli. Some scanner sensors have good depth of field, some don't. Some do 3-pass scanning, some do 1-pass (better). At most, you'll have about an inch off the scanner plate that you can resolve.

It doesn't appear that this is still active--but I hope someone receives this. I've been scanning flowers for a couple years. It evolved from scanning at a low dpi for T-shirts. I accidentally discovered this open-lid technique--by forgetting to close the lid one time. ANyway, I'm running into some issues lately with the connecting ribbon on the bottom of the scanner casting a shadow, getting a greenish background, when I put a black box I don't get the nice shadows and get distortion on the sides from the box. I'm scanning at 300 dpi and saving as TIFF or JPEG. I could use some input. Anyone out there have some suggestions? Thanks. Denise in Chicago's south suburbs

Edited by author 07-23-2008 05:00 AM
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