More fun with the Polaprinter.
The original slide (Ektachrome / Nikon F3) was made in 1986. It's a close-up of the lens from the giant Spectra camera that sat at the base of the WTC twin towers during Statue of Liberty Centennial Celebration. Here's a shot of the entire camera »
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If you look very closely you can see me taking this photo. Bottom of the lens just to the right of the crosswalk.