
ScanCams
are panoramic cameras made from old flatbed document scanners and photographic
lenses. They take images one vertical
line at a time as the lens rotates under control of the scanner’s electronics and
drive motor. An attached laptop
computer, running camera-specific software, decodes the scan data and records
formatted image files.
Scanning cameras can have very high resolution and
can make very wide images, but they work slowly, as each scan line is
effectively a separate photograph. ScanCams
need daylight exposures around 1/50 second per scan line, and a typical scan takes
3 to 12 minutes. This kind of camera
demands a motionless subject and very steady lighting.
The panoramic pictures on this site were taken with ScanCam Mark 2, which resolves 48 megapixels per 35mm frame and has 16, 28 and 55mm lenses, and Mark 3, which takes 35 megapixel spherical panoramas with an 8mm fisheye lens. These cameras deliver pictures comparable to commercial scanners like the Panoscan and Spheron that cost $15,000 and up without a lens, yet neither one cost more than $500 for parts, including the lenses.
My best images are displayed on my commercial website.
Also have a look at Mark 1 and some technical details about ScanCam design.
ScanCams are designed and built by Tom Sharpless, a retired software engineer, bad machinist, and low-grade wizard.
E-mail me at scancams@comcast.net. To send me big files (>4 MB), click here.