Resolution requirment

[Oconner512]

what resolution would be enough on a digital camera to get .09 mill detail in a close up shot about 5 inch away from the camera?

 

[IRstuff]

Do the math

0.00009"/5"

TTFN

 

[analogkid2digitalman]

Does it not depend on the field of view (lensing) and the chip (or pixel) size?

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"It's the questions that drive us"
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[analogkid2digitalman]

This may be of assistance:

http://www.edmundoptics.com/techSupport/DisplayArticle.cfm?articleid=263

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"It's the questions that drive us"
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[IRstuff]

Given the resolution requirement, you can figure out how big an FOV you have with a given imaging chip

TTFN

 

[Oconner512]

field of view will be 2"x1.5" ccd size 1/1.7" how many pixels will a line thats .05 mill take ?
thank you.

 

[IRstuff]

If you already know the field and the CCD, just divide the field by the number of pixels

TTFN