a little fact that may help: when motion pictures/films were first being made, they were projected at one frame every 30th of a second. this was the slowest the pictures could move without the human eye detecting that it wasn't one, but many frames. so my conclusion is that the slowest 'shutter speed' of the human eye is 1/30 sec. i'm sure that we have faster 'speeds' built in there somewhere.
cheers, Steve > [Original Message] > From: George L Smyth <glsm...@yahoo.com> > To: <pinhole-discussion@p at ???????> > Date: 1/5/2003 11:53:02 AM > Subject: Re: [pinhole-discussion] Human eye > > On 22 Jul 2002, at 11:16, eco...@aol.com wrote: > > > I know this is not strictly pinhole, but I wondered if > > anyone had access to the average human eye values for the > > camera variables. ie Respective - film speed, shutter speed, > > aperture, focus range, depth of field etc. Thanks > > Ellis > > > When I looked into shutter speed many years ago, I came upon the conclusion > that the eye's shutter speed is approximately 1/100 second. You can verify > this by taking successive pictures of a waterfall. We all know that slowing > down the shutter speed to a second or more will make for silky water, which is > not what we see. From there, take pictures with faster and faster speeds > (don't forget to take notes). When you get the results, compare the pictures > with what you see and make the decision for yourself. > > Cheers - > > george > > ===== > Handmade Photographic Images - http://GLSmyth.com > DRiP Investing - http://DRiPInvesting.org > > __________________________________________________ > Do you Yahoo!? > Yahoo! Mail Plus - Powerful. Affordable. Sign up now. > http://mailplus.yahoo.com > > _______________________________________________ > Post to the list as PLAIN TEXT only - no HTML > Pinhole-Discussion mailing list > Pinhole-Discussion@p at ??????? > unsubscribe or change your account at > http://www.???????/discussion/ --- Steve Bell --- veracity...@earthlink.net --- "We have...become our own thought police; but instead of calling the process by which we limit our own expression of dissent and wonder 'censorship', we call it 'concern for commercial viability'." -David Mamet
