From: Tony Conrad (email suppressed)
Date: Fri Mar 24 2006 - 20:49:05 PST
True; but the flatbed's prism flicker is in no regard necessary for the
appearance of motion in successive images.
The clearest and most obvious demonstration of non-stroboscopic motion
pictures is in video (where the screen phosphors retain their "on" state
Quoting 40 Frames <email suppressed>:
> > Don't many flatbeds (e.g. Steenbecks and
> > KEMs) utilize a prism system without a shutter, and therefore
> without a
> > flickering light?
> > Jonathan Walley
> > Professor, Cinema Department
> > Denison University
> > Granville, Ohio
> > email suppressed
> Yes, Steenbecks and KEMs operate without a shutter, instead they
> a rotating prism (usually 18 or 24 sided). And YES this prism shows
> noticable flicker (even the KEMscope prism which claims to be
> 40 FRAMES
> Alain LeTourneau
> Pamela Minty
> 425 SE 3rd, #400
> Portland, OR 97214
> United States
> +1 503 231 6548
> Skype ID: frames40
> email suppressed
> For info on FrameWorks, contact Pip Chodorov at <email suppressed>.
For info on FrameWorks, contact Pip Chodorov at <email suppressed>.