[LargeFormat] Shutterless lens usage

[Vincent Dobson]

::>This is how they make photographs of busy downtown streets look
:>empty. Make
:>many many tiny exposures (1/250) over a period of hours onto the
:>same sheet
:>of film, accumulating perhaps the equivalent of a few seconds of exposure
:>(plus reciprocity.) The buildings and streets that are permanent

Jim,

How do hey keep from jarring the camera with so many re-cockings of the
shutter.  Is there a special lens?


Vince Dobson
Visions In Nature
www.VisionsInNature.com