Re: [pinhole-discussion] coverage

2003-06-25 Thread G.Penate
Good answers have been given, but they have answered the question of why the fall-off more than the question "why 4 stops of fall-off)". So here is my $0.02 worth of answer. - Original Message - From: "Stewart C. Russell" > > > > Could anyone explain why "about 4 stops of falloff at ghe

Re: [pinhole-discussion] Pinhole camera on the shoe

2003-06-25 Thread G.Penate
- Original Message - From: "Michael Healy" > Hey, Guillermo, head's up! This new Pinhole development just in from > tonight's San Francisco Chronicle... Well, I am not into digital imaging, so I tried a film pinhole camera on the tongue of my shoe once, but the ladies wouldn't stay put

Re: [pinhole-discussion] Pinhole camera on the shoe

2003-06-25 Thread Mike Vande Bunt
That's a "pinhole" video camera lens, which is actually a very small glass lens. The video industry calls them "pinhole" lenses because they can be mounted behind a very small hole for use as hidden security cameras. Mike Vande Bunt Michael Healy wrote: Hey, Guillermo, head's up! This new

Re: [pinhole-discussion] coverage

2003-06-25 Thread George L Smyth
Stewart - It is my understanding that the 120 degrees is the image circle, so the light falloff outside of this circle should approximate infinity. --- | / | | / |F |/ o|i 120 |l |\|m | \ | | \ | --- If the r

Re: [pinhole-discussion] coverage

2003-06-25 Thread George L Smyth
Michael - Good answer. I have a super wide angle camera and the light falloff is quite noticeable - note the infrared pinhole images at the bottom of http://mywebpages.comcast.net/hmpi/Pinhole/Images/PinholeImages.htm, and these are with burning the middle 2-4 stops. Cheers - george - h

[pinhole-discussion] Pinhole camera on the shoe

2003-06-25 Thread Michael Healy
Hey, Guillermo, head's up! This new Pinhole development just in from tonight's San Francisco Chronicle... Mike Healy Man arrested for allegedly taping under women's skirts Bay City News Report Tuesday, June 24, 2003 ©2003 SF Gate URL: http://www.sfgate.com/cgi-bin/article.cgi?f=/gate/archive/20