Megapixels vs Lens resolution discussion.

Apr 5, 2005
Clarksville, IN
Anybody have any thoughts on the following?

Given a sensor size of approximately 1 inch, At what point will the number of pixels exceed the ability of the lens resolution and offer no better image resolution due to the increased number of pixels?

is not the resolution of the image limited by the weakest link in the image path?

if we take a sensor that is 23.5 mm wide and contains 3000 pixels then we have 127 pixels per mm or 63 pair per mm. Is that correct logic? Check out the following links dealing with resolution and the discussion of the "optimum" f/stop. also note the methods used to minimize camera motion by using flash. the article states a motion of .01mm can reduce the target resolution by 50%. That says a lot for hight shutter speed, good tripod and image motion compensation.

Also has resolution targets on the following link.

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