Alley in Pisa, Italy

by Lars Kotthoff

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3
votes
5answers
723 views

What is Snapsort's true resolution?

On Snapsort I found this explanation: True resolution Manufacturers advertise high megapixels to sell their cameras, Snapsort calculates the true resolution of each camera based on the ...
4
votes
3answers
226 views

Is the megapixel count setting on a P&S digital camera real or a gimmick? [duplicate]

Does downsizing the effective recording megapixel count setting on my P&S digital camera actually decrease the sensor-megapixel density, thereby increasing pixel size and culminating in better ...
0
votes
0answers
24 views

How to tell photo is good enough for poster size? [duplicate]

I do photos of the stars and night sky with my Nikon d3100. I was wondering how to tell if my photos are going to be good enough of quality to print them on say, a 18-24 poster? I need good quality ...
-7
votes
2answers
195 views

What is Nineteen Megapixels - Sixteen Megapixels? [closed]

Recently I opted to buy a camera from Smifu . I asked my Bro a suggestion regarding my purchase, suddenly he started to ask me number of questions about cameras and I was able to answer all the ...
15
votes
10answers
10k views

How many “MegaPixels” can the human eye see?

There is obviously a limit to what the human body can process, such as frames per second. My question is how many MegaPixels would it take before the human eye can no longer differentiate it from ...
6
votes
4answers
3k views

Are 2 megapixels enough for HD resolution pictures?

HD pictures has 1920x1080 = 2073600 pixels = 2025 kilopixel = 1.98 megapixel. Does this mean that we can take HD pictures with a 2 MP camera? If not, why not?
0
votes
1answer
510 views

What does pixel count suggest? [duplicate]

Possible Duplicate: Do megapixels matter with modern sensor technology? Mobile phone manufactures now advertise their phones having camera with bigger megapixel count. Does it mean the ...
0
votes
1answer
255 views

Image Quality of Shooting at 3MP then resizing to 1MP vs Shooting at 1MP [duplicate]

Possible Duplicate: Does it give higher quality to shoot in low-res mode in-camera, or to downsize high-res photos later? I want my final image to be stored at 1MP and I want it to be in ...
5
votes
2answers
546 views

Do compact and DSLR cameras have the same sensor size if they have the same number of megapixels?

In the analog camera, I understood the impact of using a 35mm film vs using a 70 mm film. However in digital world, I dont know if the sensor size is the same for compact and DSLRs. In other words, ...
9
votes
3answers
2k views

Does change of lens affect a camera's megapixels?

I have a Nikon D40. It has only 6.1 MP. I am planning to buy additional lens for it. Can changing the lens of the camera increase or decrease the megapixels of the camera?
11
votes
5answers
2k views

How does taking lower-resolution pictures with a higher-resolution sensor affect image quality?

Does taking a picture with 8 megapixel resolution with my Canon IXUS with a 1/2.3" sensor and 12M max resolution provides the same or worse image quality (particular, noise) as if the picture was ...
17
votes
4answers
1k views

Does it give higher quality to shoot in low-res mode in-camera, or to downsize high-res photos later?

Suppose you want to store your photos at some lower resolution, let's say about ~1 MB large. You own a camera able to make photos at 5 MPix and more. And, you want to have the maximum quality at the ...
11
votes
3answers
1k views

Is it true that '80s 35mm photofilm had quality corresponding to 24 megapixels?

Is it true that '80s 35mm photofilm had quality corresponding to 24 megapixels? Somebody told me so today, and I find it surprising.
11
votes
8answers
61k views

How does 18 megapixels compare to 12 megapixels? [duplicate]

I'm purchasing a digital camera & it says, "Effective pixels: Approx. 18.00 Megapixels". What is this compared to 12.00 megapixels?
14
votes
6answers
3k views

What megapixel value is equivalent to which ISO film?

Is there some kind of equivalency table or formula that expresses what kind of pixels you need in a digital camera to have roughly the same quality as a particular ISO graded film? What other ...