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quantifies how much detail an image can convey

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0
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3answers
72 views

What size and resolution should I make digital files that I am selling to clients?

I am new to the business side of photography and have decided to give clients the option to buy digital files with printing rights. I obviously don't know what sizes the client is going to print these ...
9
votes
3answers
253 views

Why does a newer camera get lower score for a specific lens than an older one on dxomark?

I was looking around on DxOMark and found discrepancy in sharpness scores which seems very weird. The lens Olympus M. Zuiko Digital ED 12mm f2.0 has a sharpness score of "10 P-Mpix" when mounted on a ...
7
votes
4answers
993 views

Does the detail in an image affect how large the image file is?

I just took two photos on my smartphone. One of a table surface with nothing on it and another of a cluttered table top full of detail. The clear photo was 3.5 MB and the cluttered one was 5 MB. How ...
3
votes
2answers
75 views

Does reducing the resolution on phone cameras increase pixel size?

I understand that cameras are limited in processing power, and that it is better to manually resize photographs taken using them. One of my experiences: The Asus Zenfone 2 has a lowlight mode, which ...
4
votes
3answers
220 views

How to resize a photo?

I know this is really a noob question, but it has always confused me. If something says "Images must be 210 px high and up to 375 px wide." how do I do that? I assume one uses a program to do it, but ...
-1
votes
5answers
234 views

Why are my portrait pictures from my new DSLR low quality and “pixel like”?

I recently got a Canon T5i and I took some pictures of my nephew. However, they're very poor quality - they look very "pixel like". Is the poor quality because it was a RAW file, the lighting or was I ...
5
votes
3answers
480 views

Is this article correct about gamma error in picture scaling in common software?

That is kind of a "please proof-read an articles conclusion"-question. Some time ago I found this page: Gamma error in picture scaling. I grasp the point, that the luminosity-curve is not linear and ...
13
votes
3answers
3k views

How can I open a very, very large image to downsize it?

I have an image with a 18984x28591px resolution but I can't open it with Paint or with Pixlr Editor to reduce its size. How can I convert or open this large image on my laptop?
0
votes
2answers
36 views

Cropping and printing

I want to crop and print a raw file that is 5184 x 3456. I am using PS Elements to edit. I used the crop tool (aspect ratio) and set the dimensions to 20 (w) x 16 (h). Nor sure what to set the ...
25
votes
10answers
24k 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
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 ...
1
vote
0answers
74 views

Can I size an image so it can be printed at 5×7" but looks bad at sizes above that? [duplicate]

I generally try to print all images for clients and require that they purchase a print prior to the release of any "small sized file" for holiday cards, web-use, but a faux-pas in my new (app-based) ...
1
vote
2answers
193 views

What is the suitable resolution for an image to be printed between A2 and A0? [duplicate]

I am a novice when it comes to photography. But I have a picture that I would love to submit to a photo comp. Their specifications are: have suitable resolution to be printed between 596mm x 422mm ...
9
votes
6answers
63k views

Is it possible to increase scale up an image to increase the the pixel density?

I have taken a picture whose resolution is less. I can resize the image easily (i.e I can scale to higher resolution) but the image quality goes for a toss, which is true because the image might not ...
1
vote
2answers
78 views

resizing a picture [duplicate]

I entered a charity calendar competition and the picture of my cat won, but when they tried to make it larger to put on their 2016 calendar it wasn't a good enough quality. It was blurred. I was ...
11
votes
3answers
54k views

How can I upscale a low-res image to make it appear higher-res?

I want to enlarge an image to a bigger size. This will cause pixelation. So I want to apply some treatment to it in Photoshop that will suppress some of this pixelation. Of course I cannot generate ...
2
votes
4answers
220 views

Since IQ is better at smaller apertures, and backgrounds can be blurred digitally, why not always shoot stopped down?

Is it correct to say that picture quality is better with small f number, but with very small DOF, this perfect quality degrades very quickly? So, is there any reason to shoot with wider aperture ...
0
votes
2answers
221 views

How do I set up my camera to get a high enough resolution for printing at 300dpi?

How do I get the highest resolution my camera can take a photo at? I want to be able to have a picture as Photoshop-ready as I possibly can. For example, if I need to upload high resolution art at ...
4
votes
3answers
2k views

Why do different smartphones with the same megapixel camera resolutions have different quality of image?

There are different brands of smart phones available. Frequently two different big brand smart phones (Nokia, Samsung , Apple, Sony etc.) with the same Megapixel count have a different quality of ...
2
votes
2answers
79 views

Is the anti alias filter really a blurring filter?

I'm trying to dig into the nature of how the anti aliasing filter works. This is of importance to me as I need to capture small details at the very edge of the resolution limit of the cameras lens as ...
0
votes
0answers
29 views

Canon Power Shot A2200 [duplicate]

Canon Power Shot A2200 digital camera. Photographing my paintings to make art prints for sale. Need high-res pixel #. Say, equal to 300dpi. Best I'm at now is 72pixel. I know camera can do much ...
2
votes
2answers
133 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?
1
vote
4answers
146 views

Increasing Pixels [duplicate]

I am having a company transfer a photo to a 17" x 24" poster board. They said I don't have enough resolution to upsize that much without losing clarity. So when I take a picture how do I dictate how ...
0
votes
1answer
178 views

Where can I get poster printing for higher resolution than 5400 x 3600 for 36“ x 24”?

The highest "common" resolution I've seen for printing a poster is 5400 x 3600 for the reasonable price of (~$15), but I have the ability to make the images I want to print (procedurally generated) as ...
2
votes
2answers
169 views

How many printed dots are needed to represent a pixel with an inkjet printer?

Context I have a digital picture with a size of x*y pixels. I'm trying to figure the maximum print size I could produce and still have an image which "look good" (relatively to human perception at a ...
1
vote
4answers
111 views

Will a TIFF or JPEG be a better choice for detailed representation of an old painting?

I wish to purchase a high resolution photograph of an old painting to project and copy. The images are either in TIFF format, which is 148.8 mb, or JPEG, 24.3 mb. Would either of these give me the ...
1
vote
3answers
134 views

How can I get everything out of 120 film?

I've just begun shooting 120 film in a 1956 Yashica Mat LM. I'm new to film photography, but I know that 120 film is supposed to have the equivalent resolution to a 100 megapixel sensor. Most film ...
0
votes
3answers
224 views

How can I prevent someone from zooming in to a photograph I send them? [closed]

I have a photograph named A.jpg. I have to send it to some other person and I dont want him to zoom it more than 30%. Is there any such option? I am ready to change my extension of the photograph ...
12
votes
5answers
2k 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.
4
votes
2answers
256 views

Do images need special treatment for high-resolution (“retina”) displays vs regular displays?

What are people's (experimentally tested if possible) views on sharpening images depending on whether they are to be viewed on retina or non-retina devices. Assuming resolution in the file is not an ...
0
votes
2answers
119 views

Files from my camera are very large: does this present any problem?

I have a Nikon D3200 camera. When it takes pictures in high resolution, sizes can be up to 6016×4000 pixels. Is there any problem (apart from big files) having the pictures at this resolution? Would ...
1
vote
0answers
38 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?
4
votes
3answers
11k views

What image dimensions are used for 500px?

The name is 500px.com, but what is the image resolution for which to optimize before uploading your photos there?
0
votes
1answer
104 views

Why do some cameras have a higher resolution sensor even though the max resolution is smaller? [duplicate]

For example, the D3300 is advertised to have 24.2 megapixels, but its highest camera resolution in all types of settings including raw and full manual, the output resolution becomes 6000×4000 ...
1
vote
2answers
106 views

In Photoshop Elements, how much is image quality reduced if I re-save a previously saved “small” JPEG as a “large” JPEG?

Back story: I took a picture of a flower in RAW. Pulled it into ACR in PSE 12, moved it to the Photoshop Elements editor, made a few edits, then saved it as a "small" JPEG. When saving a pic in PSE, ...
11
votes
4answers
33k 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?
-2
votes
3answers
461 views

What is the best resolution and quality for website [duplicate]

I'm thinking the pictures on my website are too large and heavy. I was looking for the best resolution and quality to export my pictures. I found some information that says 72dpi is enough resolution ...
1
vote
2answers
124 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
vote
3answers
320 views

Why do my photos lack texture/detail/microcontrast? [duplicate]

edit : I have added the relevant EXIF data, Still exploring how to add the EXIF data inline with the photos, please excuse english is not my first language I am a newbie photographer with Nikon D3300 ...
0
votes
2answers
520 views

Google Photos Backup DNG file with low quality [duplicate]

Using the desktop google photos sync app, JPG files sync with resolutions like 2992x2000, and NEF files like 3008x2000. But with DNG files, only 1024x683? Tried to download the file to see if it's ...
1
vote
1answer
149 views

Does lens resolution matter when it comes to high resolution sensors? [duplicate]

I've recently seen the news about Canon's 5ds and 5dsr with their 50mp res sensors. Now I've read on some other forums that you would need some L lenses developed recently ( 5 years) or those woth ...
26
votes
5answers
12k views

CSI image resolution enhance: How real is it?

So I watched the following 1 minute long Youtube clip from CSI New York. In the clip, using what seems to be the recording from a standard bank camera, they zoom in at least 100, and see the image ...
9
votes
3answers
3k views

Is there a photoshop plugin or any other piece of software that can do super resolution?

I want to combine multiple photographs of the same landscape to increase the resolution of the final image. More details on the method here: http://en.wikipedia.org/wiki/Super-resolution What ...
2
votes
1answer
96 views

Why does my Sony Alpha 77 II sometimes change to a lower resolution on its own?

I've taken about 700 pictures with my new Sony Alpha 77 II, all at the maximum 6000x4000 resolution. However, when I reviewed the pictures afterwards there are a couple at the lower 4240x2832 ...
0
votes
2answers
90 views

Why is my Sony A57 creating low res JPGs?

I have used a Sony A57 since they became available. I always have the resolution set for 16M and FINE for JPEGs. I just took an important set of photos that were intended for large blow-ups. But ...
1
vote
1answer
78 views

I am short 100 pixels for a canvas print, will that make a difference? What about if I zoomed it?

I'm looking to do a 20x24 canvas and need 1980x2340 pixels. The photo I want to use is only 1880x2340. I would like to zoom on it. I am only 100 pixels short, is that going to make a difference? or do ...
4
votes
1answer
403 views

Why is the image size different in portrait and landscape mode?

Today i noticed that my Canon EOS 5D mark II seems to create different image sizes when holding the camera in landscape or portrait mode. The Portrait Image size is always 3753x5634 pixels while the ...
0
votes
1answer
124 views

How to take high resolution pictures? [duplicate]

I came across this site unsplash and they post free high resolution pictures to use. I have a canon550D with the standard kit 18-55m and a 50mm lens. How are these high resolution pictures achieved? I ...
-7
votes
2answers
289 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: ...
16
votes
3answers
8k views

What is the Nyquist Limit and what is its significance to photographers?

The Nyquist Limit is frequently mentioned in the context of lens and sensor resolution. What is it and what is its significance to photographers? Here is an example of it being used by DPReview.com ...