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July 21st, 2004, 10:51 PM
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Old Boot
Join Date: Aug 2002
Location: London UK
Posts: 3,633
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CCDs 1/4" 2/3" of what?
I've seen this and never thought to ask . . . what are they an Inch fraction of? Is there a Global CCD that IS 1" square?
Grazie [ Dear Ken - Please put where you think best .. . Thanks, Grazie ] |
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July 21st, 2004, 11:04 PM
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#2 |
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Major Player
Join Date: Apr 2004
Location: Austin, Texas
Posts: 704
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We were just discussing this over in the XL2 forum.
The Name designations refer back to vacuum tubes that were used in cameras before the CCD chip was introduced. So, a 1/3 inch chip is not actually 1/3 of an inch in size, but gives you the same image area as a 1/3 inch tube would have (if there were such a thing as a 1/3 inch tube). Check out this explanation on Edmund Optics site: Section 4.3 CCD Sensor Size Hope that helps. Luis |
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July 21st, 2004, 11:11 PM
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#3 |
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Warden
Join Date: Mar 2002
Location: Clearwater, FL
Posts: 8,287
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Here's a list of various chip sizes I put together last year.
__________________
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July 21st, 2004, 11:27 PM
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#4 |
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Old Boot
Join Date: Aug 2002
Location: London UK
Posts: 3,633
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Thanks Guys! - Too kind .. . and fast too!
Luis, terrific graphical explanation .. . well understood. The valve thing is cute!
Jeff, very simple table to understand - great! Grazie |
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