On Mon, Jan 31, 2011 at 10:31 AM, John Sessoms <[email protected]> wrote:
> I have a vague recollection that one of Pentax's later film cameras could be
> made to imprint this information on the film, and the engineers were smart
> enough to put the data imprint in between the frames.

I don't think that Pentax was first in this, but it was available on the MZ-S

"Data Imprinting
One of the great new features of this camera is the edge-of-film data
imprinting, which can be turned on or off. The film roll sequence
number (from 1-99), ISO film speed, and data imprinting brightness are
printed on the edge of the leader at the beginning of the film.
Exposure mode, metering mode, shutter speed and aperture values,
exposure compensation value and whether auto-bracketing or multiple
exposure have been used are recorded at the edge of the film for each
exposure in a location between the film sprockets. This is done "on
the fly" as the film is wound, through use of a small single-digit
light-emitting diode array to the top right of the format opening.
This is very accurate in image placement--very impressive. The
brightness of the letter imprinting can be set."

-source: http://shutterbug.com/equipmentreviews/35mm_cameras/0502sb_pentax/

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