On Sat, 1 Mar 2003, Russell McMahon wrote:

*>> blinding (not on that lens).  Canon also had a model of 8mm video camera
*>> with eye tracking of the metering 'hotspot' area and a few effects
*>> switched with the eye (blink on blink off). It was a nice trick.
*>
*>Minolta Dimage 7xx turns on viewfinder and LCD panel off when you put your
*>eye to the viewfinder.

That's not what I meant. There are several models of camcorders that do
that. They also turn off the vf completely if no-one is looking to save
power (ir reflective diode+led). The item I described has proper eye
tracking, or gaze tracking. A little rectangle follows your gaze on the vf
screen. It has a training setting where it 'learns' about your eye if it's
too uneven. If you look at the text in the corner of the vf that says
'backlight' f.ex. and blink it turns on backlight.  Meanwhile af and
metering function for whatever you're looking at (the metering area is in
the box that follows your gaze).

Imagine your subject is someone walking towards you into a
columns-and-pergola type of entrance. Outside: sunset inside: artificial
lights. You want a long shot to cover this entry (say, wedding ?). The
subject passes from very bright backlight to interior lights and you
really really want the faces to be shot well. Whith this eye-control thing
you can do that, given some practice. Not that it was a pro camera.

Peter

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