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The HP 197A employed an electronically operated and timed shutter that provided accurate exposure times from roughly 1/60 seconds to 4 seconds. |
Oscilloscope camera s produced permanent records of oscilloscope
displays for use in engineering reports or in other situations where
pictures of waveforms, or traces, were needed. These cameras could
photograph single traces on the oscilloscope that were too short-lived
for the eye to see.
The HP 197A employed an electronically operated and timed shutter
that provided accurate exposure times from roughly 1/60 seconds
to 4 seconds. The camera also featured all solid-state circuitry,
remote operation, sync contacts to trigger external equipment and
an f/1.9 Wollensak high light transmission lens. The back used a
Polaroid Land Camera and moved vertically through 11 detented positions
for multiple exposures and was rotatable or could be replaced with
another camera back, such as the 4-inch by 5-inch Graflok back.
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