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How much more useful are ever higher pixel densities?

Started 3 months ago | Discussion thread

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Tony_J

Junior Member • Posts: 36

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Re: All megapixels are not created equal...

In reply to JimPearce, 3 months ago

JimPearce wrote:

the formula governing lens/camera system resolution: Rsystem^2=1/(1/Rlens^2 + 1/Rsensor^2)

Could you give a link to a source for this formula, preferably with a mathematical proof of it? Not that I don't believe you - I've heard of this formula before, I just want to see where it comes from.

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Post (hide subjects)	Posted by	When
How much more useful are ever higher pixel densities?	Stacey_K	3 months ago	6
Re: How much more useful are ever higher pixel densities?	nfpotter	3 months ago	2
Re: How much more useful are ever higher pixel densities?	Stacey_K	3 months ago	1
How much more useful are ever higher resolving lenses?	coudet	3 months ago
Re: How much more useful are ever higher resolving lenses?	Stacey_K	3 months ago	1
Re: How much more useful are ever higher resolving lenses?	Rajeshb	3 months ago	4
Re: How much more useful are ever higher resolving lenses?	Stacey_K	3 months ago	1
Re: How much more useful are ever higher resolving lenses?	sshoihet	3 months ago
Re: How much more useful are ever higher resolving lenses?	KenBalbari	3 months ago	1
Re: How much more useful are ever higher resolving lenses?	Stacey_K	3 months ago	1
Re: How much more useful are ever higher resolving lenses?	sshoihet	3 months ago	1
Re: How much more useful are ever higher resolving lenses?	Reilly Diefenbach	3 months ago	1
Re: How much more useful are ever higher resolving lenses?	KenBalbari	3 months ago
Re: How much more useful are ever higher resolving lenses?	Rajeshb	3 months ago	2
Re: How much more useful are ever higher resolving lenses?	Stacey_K	3 months ago	1
Re: How much more useful are ever higher resolving lenses?	Rajeshb	3 months ago
Re: How much more useful are ever higher resolving lenses?	Midwest	3 months ago
Re: How much more useful are ever higher resolving lenses?	sworth	3 months ago
Re: How much more useful are ever higher resolving lenses?	Midwest	3 months ago
Re: How much more useful are ever higher resolving lenses?	Stacey_K	3 months ago
Re: How much more useful are ever higher resolving lenses?	sworth	3 months ago
Re: How much more useful are ever higher resolving lenses?	KenBalbari	3 months ago
Re: How much more useful are ever higher resolving lenses?	Stacey_K	3 months ago
Re: How much more useful are ever higher resolving lenses?	illy	3 months ago
This is my point..	Stacey_K	3 months ago
Re: How much more useful are ever higher resolving lenses?	KenBalbari	3 months ago
Re: How much more useful are ever higher resolving lenses?	Reilly Diefenbach	3 months ago	2
Should we believe you or dxomark Reilly?	JimPearce	3 months ago	2
Sorry, Jim, not biting.	Reilly Diefenbach	3 months ago
Re: How much more useful are ever higher pixel densities?	mosswings	3 months ago	1
Re: How much more useful are ever higher pixel densities?	MarioV	3 months ago
Re: How much more useful are ever higher pixel densities?	sworth	3 months ago	2
All megapixels are not created equal...	JimPearce	3 months ago	1
Re: All megapixels are not created equal...	coudet	3 months ago
No, 4 MP is substantial...	JimPearce	3 months ago	1
Re: All megapixels are not created equal...	evoprox	3 months ago
Re: All megapixels are not created equal...	Tony_J	3 months ago
I have no proof...	JimPearce	3 months ago
Re: How much more useful are ever higher pixel densities?	Kerry Pierce	3 months ago
Re: How much more useful are ever higher pixel densities?	illy	3 months ago
Re: How much more useful are ever higher pixel densities?	sworth	3 months ago	3
Re: How much more useful are ever higher pixel densities?	sshoihet	3 months ago
Re: How much more useful are ever higher pixel densities?	illy	3 months ago
Re: How much more useful are ever higher pixel densities?	sworth	3 months ago
Re: How much more useful are ever higher pixel densities?	illy	3 months ago
Re: How much more useful are ever higher pixel densities?	Shunda77	3 months ago	1
Re: How much more useful are ever higher pixel densities?	millerjs	3 months ago
Re: How much more useful are ever higher pixel densities?	nfpotter	3 months ago
This article from Luminous Landscapes is a good starting point...	JimPearce	3 months ago	1
Re: This article from Luminous Landscapes is a good starting point...	KenBalbari	3 months ago
Re: This article from Luminous Landscapes is a good starting point...	Shunda77	3 months ago
Re: This article from Luminous Landscapes is a good starting point...	KenBalbari	3 months ago
Re: This article from Luminous Landscapes is a good starting point...	Shunda77	3 months ago
Great article Jim! Thanks for sharing. nt	Ray Soares	3 months ago
supported by DXOmark sharpness scores (perceptual mega pixels)	rkumar	3 months ago	1
Re: supported by DXOmark sharpness scores (perceptual mega pixels)	Reilly Diefenbach	3 months ago
Re: supported by DXOmark sharpness scores (perceptual mega pixels)	mosswings	3 months ago
Re: supported by DXOmark sharpness scores (perceptual mega pixels)	Reilly Diefenbach	3 months ago
Re: supported by DXOmark sharpness scores (perceptual mega pixels)	mosswings	3 months ago
Rule of thumb	Tony_J	3 months ago

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