Nidelva river through Trondheim Norway

Nidelva river through Trondheim Norway
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A megapixel (MP or Mpx) is one million pixels, and is a term used not only for the number of pixels in an image, but to express the number of image sensor elements of digital cameras or the number of display elements of digital displays.

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1answer
41 views

Optimal DPI Setting in Olympus OMD EM5 mii? [duplicate]

I had been using the default 350 dpi, but the resulting files are too small to sell to most stock photography sites online. For a standard print at 300dpi, they are great. A bit low for my metal art, ...
0
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2answers
82 views

How can cameras have the same number of megapixels even when the sensor size differs? [duplicate]

The image resolution for the respective megapixels remains the same whether the camera is of medium format or full frame or APS-C or even mobile phones. However the sensor sizes differ in these ...
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1answer
91 views

How can I automatically downsize images which have more pixels than needed for the actual resolution? [closed]

Many factors affect the true resolution of an image — the actual detail resolvable — including lens quality, sensor size and technology, noise and noise reduction, motion blur and camera technique, ...
2
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3answers
211 views

If I set my camera to lower resolution, does that mean more sensor area per image pixel?

My camera is the Nikon D3200 and the specs state that it has a Sensor Pixel Area of 14.85µm2 @ 24MP. When i set my camera to JPEG (fine), I have the ability to set the picture size. Would setting it ...
1
vote
3answers
661 views

What does a megapixel designation on a lens actually mean?

I know that in a CMOS sensor the megapixels give you an idea of how many pixels are actually there to capture the light. In terms of a lens however, I cannot find any relation between the megapixels ...
0
votes
1answer
64 views

Good Photographs with Moto G2 Camera [closed]

I have got a MOTO G2 Mobile with 8MP front camera, usually i get best shot from my phone but is there any way so that i can capture best pictures with a mobile camera everytime?
1
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3answers
185 views

effective 12 megapixel in Nikon kit lens

I have nikon d3300. it have 24.2 mega pixel sensor but some where i read that kit lens have only 12 mega pixel effective but the actual resolution of image is 24MP. My question: 1.what is blocking ...
1
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1answer
87 views

What is the maximum printing size for 12 Megapixels camera [duplicate]

The recommendation for printing images seems to be they should be printed at 300 dpi, so if I have a 12 Megapixel images in 4:3 format that would limit me to 12.5" x 10". My question is if I have a ...
2
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3answers
492 views

Why would a more expensive camera have lower megapixels?

Recently, I was on the Panasonic website and came across this camera. When looking at it I noticed it had 12.1 megapixels, which is really low compared to cheaper cameras. So why is the megapixels so ...
1
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1answer
87 views

Does the panasonic dmc-lz40 take better pictures than the samsung wb35 camera? [duplicate]

I currently have the Samsung WB35f camera and it takes really great pictures and I recently changed the settings so the image quality was at super fine and they turned out better. My plan is too ...
3
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4answers
253 views

Given the same sensor size lens, will a higher megapixel sensor give more “reach” then a lower one?

I've been wondering this for a while now, and I can't seem to find a straight answer about this. If we are talking about the exact same sensor size, (lets say FX) and we are using a 50mm lens. ...
1
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0answers
40 views

How big can I print my 24mp image? [duplicate]

So I have a 24mp photo that I want to print as large as I can, at 300dpi; how large is that? And more generally, how is the print size calculated as a function of the capture and print resolution?
1
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0answers
218 views

Is there a meaningful image quality difference between the Canon Powershot SX410 vs SX510?

Can you show me a picture difference between the Canon Powershot SX410 and the Powershot SX510? Is there a noticeable difference between 12 megapixel and 20 megapixel here? I want to buy one of these ...
1
vote
2answers
127 views

What is it called when a camera generates files with more megapixels than the actual sensor provides?

I found in many Android devices that the "real array size", which is the actual pixel count of the camera sensor, is lower than the 4:3 Max picture the user can take. For example: Sensor Array = 1616 ...
1
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0answers
27 views

What my PPI should be set at for others to download my photos? [duplicate]

I sell my photos on Etsy for others to buy and download and I'm trying to figure out what I should set my PPI at and if I should resample when I do it...it is all very confusing. I'm reading all ...
2
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2answers
146 views

Is resolution the same thing as active pixel count?

If you have a camera with resolution Y x X, then is active pixel count always the product of the resolution? Are they saying essentially the same thing?
3
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4answers
3k views

Is the camera sensor or the lens the limit to resolution?

I have a pretty high res sensor on my camera, but sometimes I have the feeling my lens doesn't even get to this resolution. How can I tell if my camera sensor has not enough resolution or if the lens ...
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votes
3answers
396 views

Which of these two metrics is a good measurement of sharpness?

I have seen two metrics used to measure the sharpness of a camera: Perceptual megapixels, used on Dxomark. Number of lines the camera can resolve in a resolution chart. However, these two ...
13
votes
5answers
18k views

Camera lens or megapixel value: which defines the quality and clarity of the picture?

I have a 5MP camera in my phone. The pictures shows good clarity both in the phone screen and my computer screen. But one of my friends has a different camera with the same 5MP in his phone (brand is ...
5
votes
8answers
2k views

What is Snapsort's “true resolution” score?

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 ...
5
votes
2answers
651 views

Ming Thein's Ultraprint: the megapixel race reloaded?

I read with quite a bit of interest the new idea from Ming Thein: the Ultraprint(1). The idea (if I understand well) is to make a print that, independently from the viewing distance, is so dense ...
5
votes
3answers
829 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 ...
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3answers
187 views

What were important things you took into account when purchasing your first camera and lens? [closed]

Ok I am ready to purchase my first serious camera. I owned a FujiFix s1800 but didn't like the quality of the headshots I took. Headshots would be the main reason for purchase but I'd also like to ...
9
votes
2answers
3k views

Are superzoom lenses really so bad?

I have read comments in multiple places, both on photo.SE and elsewhere, that superzoom lenses are not good and that most people will be better served by buying two zoom lenses, each spanning a ...
2
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1answer
475 views

Am I correct that photos from the 16-50 lens won't be much better than cropping photos from the 35mm prime?

I own a Sony NEX-5R, with the Sony 35mm F1.8 prime and the Sigma 19mm F2.8 prime. I'm deciding whether to buy the Sony 16-50 power zoom. To make that decision, I need to decide whether cropping the ...
1
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2answers
332 views

D3100 vs D3200 Image Quality both set to 12MP [duplicate]

Both D3100 AND D3200 have similar, almost identical, sensors. Which is going to give the best image quality if I set them both to, for example, 12MP? I also also placed the pixel sizes below. D3100 - ...
1
vote
1answer
777 views

Does pixel size make a difference in image quality? [duplicate]

I am thinking of purchasing the Nikon D3200 its a 24.2MP camera but the pixel size is 14.8 µm² compared to the D3100 which is 14MP and a pixel size of 25.1 µm². Is this something that i should worry ...
4
votes
2answers
135 views

5d mark 1 vs 5d mark 2

I never shoot video with my mk2. I only take portraits, no issue with slower shutter speeds etc. Pragmatically, what would be the main disadvantages of downgrading, in terms of output and image ...
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votes
2answers
312 views

What is Nineteen Megapixels minus Sixteen Megapixels?

Recently I opted to buy a camera. I asked my brother a suggestion regarding my purchase, and suddenly he started to ask me number of questions. I was able to answer all the questions, except this one: ...
8
votes
8answers
10k views

How many pixels in a megapixel?

I am trying to find out the definition of a megapixel? Some references on the web place it at 1 million pixels, and other places say it is equal to 2^20 = 1,048,576 pixels.
5
votes
1answer
265 views

For digital sensors and in terms of imaging medium, is the minimum CoC equal to the size of 1 sensor pixel or 2? And why?

For digital sensors and in terms of imaging medium, is the minimum CoC equal to the size of 1 sensor pixel or 2? And why? For example purposes using a 35mm Full Frame digital sensor where the pixel ...
27
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10answers
25k 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 ...
5
votes
2answers
469 views

Is “Ultrapixels” just marketing or is there a real benefit?

HTC has branded the sensor in its new phone (the HTC One) to be "Ultra pixels". For the same sensor size it only gives you 4MP where today's standard for top of the line smartphones is 8MP and up. Of ...
11
votes
4answers
38k 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?
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1answer
1k 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 ...
2
votes
2answers
10k views

At how many megapixels should I render my image for a quality A1 print?

I'm rendering an image for an exhibition (the image is composed of multiple digital images, so I have control over the detail of the final render), but I'm getting conflicting opinions on how many ...
1
vote
1answer
317 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 ...
13
votes
8answers
3k views

Megapixel race unnecessary?

Have we reached the point where where the megapixel race is more about the race, of having more then the other guy, than about image quality? Only a few years ago 6MP was touted as the optimum number ...
3
votes
2answers
407 views

How many megapixels are needed on a smartphone to take above quality photos?

Just regular above quality photos for Facebook and normal things.
6
votes
2answers
676 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, ...
10
votes
3answers
6k 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?
1
vote
1answer
663 views

How does the megapixel-count and the aperture size affect the quality of the image from a given lens?

I have read that some lenses don't "support" high resolutions, so, for example, for some lenses (e.g. Nikkor 16-85 VR ), it's better to shoot at 9MP, instead of shooting at 16MP. Is this the case ...
5
votes
2answers
2k views

What features really matter in a point and shoot camera?

I am planning to buy my first new digital camera. Now I am too confused for more than 20 days about how I can choose a camera. I want to use the camera for domestic purpose. The Canon IXUS 220 HS ...
14
votes
5answers
4k 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 ...
13
votes
4answers
2k views

Why do some DSLRs have fewer megapixels than some pocket cameras?

Some point and shoot cameras like the Olympus mju range have more megapixel capabilities than many DSLRs. Why is this? Is this because they have larger sensors or more dense ones? What are the ...
3
votes
2answers
1k views

Is there any difference between the Sony A65 and A55 other than megapixels?

When I look at dpreview's side-by-side camera comparison page, there is no difference between two cameras except pixel count (24MP vs. 16MP). If that's the only difference then $200 isn't worth it ...
5
votes
3answers
1k views

Is 2 megapixels enough for 4x6 prints?

My compact camera has a burst mode, which shoots 10 fps at 2 megapixels. I plan to use it at an upcoming company sporting event (basketball and tennis, outdoors) and plan to post memorable moments at ...
37
votes
7answers
5k views

Do megapixels matter with modern sensor technology?

Are more megapixels good? Are more megapixels bad? Do more megapixels increase detail? Do they make my images sharper? On the other side, is there a point that is too much? Do megapixels cause ...
9
votes
3answers
2k views

Is more megapixels better in macro photography?

I know there are a lot of common misconceptions about megapixels and their actual utility, but does more megapixels mean I can zoom into a macro shot of say an insect and see more details compared to ...
7
votes
5answers
2k views

Does noise in images depend upon “Megapixels” or “ISO”?

I have a question about image quality. Does noise in an image is depends upon "Megapixels" or on "ISO"?