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Old Oct 06, 2012, 04:05 PM
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jforkner's Avatar
Copperopolis, CA
Joined Sep 2003
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Camera Resolution vs. Display Resolution

Probably a dumb question, but here goes...

If I have a display that has, say, 300-line resolution, why would I need/want a camera that provides a greater number of lines of resolution? From my experience with televisions and computer monitors, providing a higher resolution signal to a lower resolution screen provides no benefit. In fact in some cases, the image can be cropped to accommodate the screen.

Here's my situation...I have a 7" monitor that reportedly has an advertised resolution of 1440 x 234. I'd like to use this with my ground station as I take the leap into FPV. [FWIW, I currently use this monitor to display the live-view from my airborne camera to compose still images---works fine for that.] Anyway, I want to get a dedicated FPV camera and wonder why I should spend the money for, say, a 600-line camera versus getting a cheaper lower res. model. I realize the signal from the higher res. cameras is of higher quality, but will my monitor show the difference?

Thanks for your help.


Jack
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Old Oct 06, 2012, 08:27 PM
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JimTMich's Avatar
United States, MI, Kalamazoo Township
Joined Aug 2006
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The analog NTSC format is 525 lines. So in theory you should get a camera and display with that many lines to maximize the setup
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Old Oct 06, 2012, 08:48 PM
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Birmingham, Alabama
Joined Jun 2002
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the reason FOR is because compared to low res cameras (sub 480p) the higher res (480-600+) are simply better cameras with more advanced processing & better sensors

outside of that you're correct from a pure resolution standpoint (being the key, that's only one issue)
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Old Oct 07, 2012, 09:00 AM
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Copperopolis, CA
Joined Sep 2003
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I understand. Thanks guys.


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