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Photography F.A.Q (Last Updated: 2025 Jan 22 8:17 pm)




Subject: Sense & Sensors in Digital Photography

Fred255 opened this issue on Aug 05, 2008 · 3 posts
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Fred255 ( ) posted Tue, 05 August 2008 at 9:14 AM · edited Wed, 07 August 2024 at 10:10 PM

Attached Link: TidBITS

How does it all work?

 ecurb - The Devil

Radlafx ( ) posted Tue, 05 August 2008 at 12:10 PM

 i'm still waiting for Canon to come out with a 3-layer sensor camera.

Question the question. Answer the question. Question the answer...

I wish I knew what I was gonna say :oP

MGD ( ) posted Thu, 14 August 2008 at 10:28 AM

Fred255 mentioned, TidBITS. 

Interesting ... until I read this statement,

" Since no photograph of any size can contain more than 3 to 4 million
elements of information, even when made from film, any substantial
enlargement needs to be composed primarily of pixels that do not exist
in the original".

Let's see, DSLR cameras are available with about 12 megapixels; I saw
a report of a concept DSLR camera that will have 50 MP. 

I would have to say there is no inherrent upper limit on the number of pixels
in an image and that the first part of his statement is false. 

As to the second part ... yeah, if you shoot only a 4 MP image, crop and
enlarge ... then photoshop will (probably) interpolate some pixels. 

OTOH, if, as an example, you shoot a 12 MP image, crop and enlarge, you
might not need to add any pixels. 

Comments?  Please?

--
Martin

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