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Old Jul 5, 2003, 3:54 PM   #1
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Default how do you know if you're 1:1 or 1:2 w/ digital cameras?

My clinic purchased the Nikon Coolpix 4500 for our photography. I think I have figured out how to use it through a microscope, but how do I know if I'm 1:1 or 1:2 during intraoral photos? I have the ring flash and remote. Help!
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Old Jul 8, 2003, 1:00 AM   #2
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Default Re: how do you know if you're 1:1 or 1:2 w/ digital cameras?

Quote:
Originally Posted by monster70
how do I know if I'm 1:1 or 1:2 during intraoral photos?
Check the "Close-Up" page of my Coolpix 2500 for an estimation. It is discussed near the bottom of that page. Once you know the method, you simply replace 2500's CCD size with 4500's CCD size. Note that the calculations there only provide an approximation. The actual magnification is slightly different but not by much. IMO, the 4500 cannot go 1:1 and is less than 1:2. You need extra equipment to reach 1:1. However, I doubt if you really need 1:1 on the image sensor, because you can PRINT a 1:1 image easily.

CK
http://www.cs.mtu.edu/~shene/DigiCam
Nikon Coolpix 950/990/995/2500/4500 user guide
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