....I've had several, but none that I really like or find convenient to use. Anyone have a favorite DOF chart or program to recommend?
-daniel
dsze Goldmember  2,241 posts Likes: 1 Joined May 2004 Location: On The Lake! More info | Jan 10, 2005 16:41 | #1 ....I've had several, but none that I really like or find convenient to use. Anyone have a favorite DOF chart or program to recommend? -daniel
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Scottes Trigger Man - POTN Retired  12,842 posts Likes: 10 Joined Nov 2003 Location: A Little North Of Boston, MA, USA More info | Jan 10, 2005 16:45 | #2 You can take my 100-400 L away when you pry it from my cold, dead fingers.
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GAJulie Senior Member  546 posts Likes: 1 Joined Mar 2004 Location: Maysville, GA More info | Just checked out this site...now what the heck is a circle of confusion???
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Scottes Trigger Man - POTN Retired 12,842 posts Likes: 10 Joined Nov 2003 Location: A Little North Of Boston, MA, USA More info | Jan 12, 2005 18:21 | #4 From their FAQ, http://www.dofmaster.com/faq.html What is the meaning of circle of confusion? Circle of confusion is difficult to explain in non-technical terms. You shouldn't worry about it if you're just beginning to learn about depth of field. My, that's helpful, huh? NOT! About the Circle of Confusion Imagine a perfect white point in an empty black room. The point has no height, and no width. If you focus an optically perfect lens on that point, it forms a perfect point on the film as well. If, however, you focus slightly in front of or behind the point, the point will image on the film as a small blurry circle. If that circle is small enough, it will still look like a point when enlarged for printing. The "circle of confusion" is typically calculated as the largest on-film circle that you see as a point when you make an 8 × 12 print and view it from a "normal" viewing distance, typically 2-3 feet. Anything larger is seen as a small circle, and is therefore perceived as out of focus. That's a little better. You can take my 100-400 L away when you pry it from my cold, dead fingers.
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GAJulie Senior Member 546 posts Likes: 1 Joined Mar 2004 Location: Maysville, GA More info | Scottes wrote: So a quick Google found http://tangentsoft.net/fcalc/help/CoC.htm:  About the Circle of Confusion Imagine a perfect white point in an empty black room. The point has no height, and no width. If you focus an optically perfect lens on that point, it forms a perfect point on the film as well. If, however, you focus slightly in front of or behind the point, the point will image on the film as a small blurry circle. If that circle is small enough, it will still look like a point when enlarged for printing. The "circle of confusion" is typically calculated as the largest on-film circle that you see as a point when you make an 8 × 12 print and view it from a "normal" viewing distance, typically 2-3 feet. Anything larger is seen as a small circle, and is therefore perceived as out of focus. That's a little better.
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GaryTorello Member  33 posts Joined Dec 2004 Location: Haddam, CT More info | DOF Calculator:
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Bodryn Senior Member  446 posts Joined Jul 2004 Location: Minnesota, Manitoba More info | Jan 13, 2005 18:02 | #7 I found an interesting DOF program that I downloaded from the freeware palm site a few months ago. I haven't really tested its accuracy but trying it out, it looks like a very meticulously written DOF program available in your shirt pocket that you can run on your Palm device including the old Palm IIIx. If interested, go to: Bodryn ========
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