Questions tagged [resolution]

quantifies how much detail an image can convey

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4answers
2k views

Why does a more expensive camera have fewer pixels?

I compared the specs of some cameras. The Canon EOS 5DS and the EOS-1D X MARK II each has a full-frame sensor. The second is more expensive. Their pixel counts are 8868 x 5792 and 5472 x 3648. Nikon ...
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1answer
168 views

At which point do cameras scale photos down when using quarter sensor resolution?

My Nikon D5600 sensor can deliver 24MP but I configured it to just use 6MP. At which step in the process does the camera "scales" the images down? Maybe already at sensor level? By calculating an '...
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2answers
302 views

How high resolution can a picture be before the human eye stops caring?

I found an article discussing a collective that sells ludicrously high resolution panoramas, at least one of which is comprised of over 1000 images with a resolution of 7 gigapixels. Other than ...
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3answers
386 views

Shooting large tree from a distance: resolution/details issue

Recently I take a shot of a big tree and encountered some issues with the image resolution. Here is the image after postprocessing: To make scale clear (how tall the tree is and how far I stand from ...
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4answers
249 views

Which is correct, “resolution is megapixels” or “resolution has megapixels”?

A colleague and I were having a discussion about which of these is correct: "This resolution is 15 megapixels" or "This resolution has 15 megapixels" What it comes down to is our difference in ...
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1answer
252 views

Large difference between number of image sensor pixels and pixels in the image from my iPhone

According to the specifications given by Apple, the iPhone 5s camera has 8 megapixels. I assume that this is supposed to mean that the image sensor has 8 million photosites, and I would appreciate it ...
2
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3answers
923 views

Does Olympus OM-D E-M1 Mark II High Res Shot mode work with manual lenses?

I've read that Olympus OM-D E-M1 Mark II High Res Shot mode has some aperture settings limitations. Does it work with fully manual legacy lenses that don't report aperture to the camera at all?
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5answers
5k views

Is it better to crop in Raw than JPEG?

Recently we cropped a JPEG photo a lot in Photoshop Elements, and noticed we had lost a lot of resolution when we had the photo printed. Would it have been better to shoot in Raw, and not lose so much ...
2
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1answer
411 views

How do I get the first preview on my camera to look as good as when I'm zoomed in?

When I take photos on my camera and view them, they sometimes don't look the best quality. When I zoom into them on the camera they look much better, like the quality and sharpness of the image is a ...
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2answers
366 views

does the presence of Moiré in a photo implies the “lens outresolve the sensor”?

I sometimes come across affirmative comments such as "there's moiré in the photo so the lens out-resolves the sensor". But is it true? I would say: moiré in a photo isn't a sufficient indication ...
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2answers
246 views

Same manufacturer, two lenses of similar focal length, but one is much faster…does the sweet spot produce the same resolution?

This has practical implications as I want to use a 300mm tele for shooting landscapes, where lens speed is not so critical but maximum resolution (and light weight) is. Would I drop twenty times the ...
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2answers
435 views

how to perform image quality comparison at different resolutions?

My objective is to compare two photos of the same object at different resolutions and be able to tell how much more detail does the larger image contain than the smaller one. The point of this is to ...
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7answers
732 views

Achieving film-like resolution, lens requirements?

I am considering moving up to a full frame camera and want to know how my image results will compare to film. According to Kodak, a 35mm film cell has 6000 lines of resolution. Olin Lathrop gave a ...
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3answers
880 views

By what mechanism does a camera change its output resolution?

The camera in question is a Nikon D3200, it features 24 MPx. I would like to know what changes are brought about on the sensor to enable it to shoot at lower-resolutions. Does the camera shoot in a ...
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1answer
110 views

Does spatial resolution affect exposure at all?

I have been testing two different sensors, using 3 lenses between each of the sensors. I have also kept the exposure to 6ms between each sensor. I noticed a difference in measured DN pixel values ...
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1answer
136 views

How do I fix low resolution on my Canon T5i? [duplicate]

I went to get some prints and they were super blurry. I asked the photo center workers and they said it is because the resolution is way too low, so I can't print anything bigger than 5x7. I'm not a ...
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2answers
424 views

How do you make the resolution bigger on a Canon Rebel T5i? [duplicate]

All of my pictures come out super blurry if they are anything bigger that 5x7 and I want to fix it. So how do I change the resolution? Is it something I have to do BEFORE I take the pictures or am I ...
0
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1answer
2k views

Does “Diffraction Correction” correct the degraded resolution due to the low-pass filter in Canon 5D Mark iv

I was thinking why canon 5d mark iv still need anti allies filter even though its near to the Nikon 810 resolution. But recently I found there is a feature in Canon 5D mark iv call Diffraction ...
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2answers
181 views

Is there software to automatically choose the optimal resolution for scanning?

I have seen recommendations to scan analogue photo prints at a DPI setting anywhere between 200 DPI and 1200 DPI depending on the quality of the print. I've heard that everything from camera focus to ...
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1answer
112 views

Should I preemptively downsize photo resolution for smaller prints?

I was thinking about how many websites (eg. Facebook) have a bad reputation for lossy downsizing of images, and began to wonder if this goes for printing as well. Would it be better to send in a ...
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3answers
1k views

How to submit a picture with 12mp and 300dpi to a contest? [duplicate]

I was wondering how can I make an image stay 12mp and 300dpi. I want to participate in a contest about street photography but their requirements are that the image must be 12mp and 300dpi. I'm new to ...
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5answers
5k views

At what point does the Canon 5D Mark IV's high-ISO performance give it higher real resolution than the 5DS (R)?

I want the sharpest images with the most detail possible. Resolution increases detail (to a limit) Noise decreases sharpness Therefore, I have a dilemma. I am looking to purchase a new DSLR: either ...
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5answers
7k views

Why does the Canon 1D X MK 2 only have 20.2MP

The Canon 1D X MK2 is the new flagship of Canon. So why does this top camera only have a 20.2 MP sensor? I mean its 2016, even mobile phones have a higher resolution. I knew its not all about the ...
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2answers
727 views

How to calculate digital photo precision based on camera specification?

I'm doing a project which involves analyzing an object's width from a photo with given precision of about 0.1 mm. I am to the point where I have to choose which camera to buy in order to obtain the ...
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2answers
7k views

Trying to print A1 size paper, but confused over dpi/resolution settings

I would like to print something on A1 size paper, and just opened my Photoshop to edit the picture and I am confused about somethings. I found online which size to choose, but other than that all the ...
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2answers
3k views

Is 4288 X 2848 pixels an unfriendly ratio for quality printing and framing or am I missing something?

I have a Nikon D5000 that shoots 4288 X 2848 pixels. When I take pictures, I'm not thinking of how I may need to crop the picture later on or add a border / matting so that it fits into a common ...
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5answers
3k views

I am going to advertise on a billboard. Is 127 kilobytes good enough?

I don't know the number of pixels. 7x3.6 meters Would an image of 127 kilobytes be good enough for an advertisement that size?
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3answers
162 views

What's the best way to scan a 1“x1.25” BW photo for enlarging?

I have an old (1939) BW glossy photo that's only 1" x 1.25". The photo quality is good, very sharp, just too tiny. What would be the best way to scan it to enlarge to a 5x7?
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6answers
27k views

Took my first ever 4k picture; Why is it so disappointing?

Today for the first time ever I captured a 4K resolution picture. I don't know much about cameras or photography but I expected the picture to at least be sharp like usually high resolution pictures ...
2
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4answers
146 views

Photography vs videography in resolution

Why have still cameras' resolutions become more than video cameras' resolutions? The res. of the 8K is about 33 megapixels, but hasselblad's h6d's res. is 100mp... (Just ignore Lytro Cinema for now) ...
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3answers
456 views

What are the advantages of editing a larger image?

If I have an image which is 2000px by 2000px, and the same image at 500px x 500px, what are the advantages of editing the larger image and scaling down afterwards?
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1answer
477 views

Photo resolution for a large canvas

I'm trying to resize a photo taken with a Canon 5D Mark III for a 36" X 72" canvas at 300ppi through Lightroom 5. I exported the photo at H: 10800 X W: 21600, but the printing company is telling me ...
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4answers
104 views

Do cameras assume a particular size of print when reporting DPI?

When a photo indicates that it is, say, 300 DPI, is that based on a standard sized print? i.e. is there a specific standard size that the DPI is based on, and if so what is that size?
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3answers
203 views

Best lens to photograph a large flat object

I need to accurately photograph mood boards. These are large (4x8 feet, 120x240 cm in my case) white or black boards with photographs, material swatches, pantone swatches pinned to them. The goal is ...
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2answers
732 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
297 views

How big can I print this image? [duplicate]

I have a JPG file with a resolution of 3000x2077. How big can I print this image ? Thanks in advance
2
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3answers
3k views

How do I get the right size image for a specific small photo frame?

I have a picture frame that is 2 1/2 x 3 1/2 inches. I would like to know what kind of dimensions, in pixels, I should use with my Nikon D3300 to make a photo for the frame?
2
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2answers
189 views

High vs low res original image, both later scaled to equal lower resolution - difference in sharpness?

If I take a Canon 5DS R (50.6 MP), which has high resolution and no anti-aliasing filter, and then I take a Canon 6D (20.2 MP) and shoot the same scene with both, both using the same capable lens (i.e....
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3answers
822 views

How do I compress my TIFF files to JPEGs of a given size?

An online lab wants my large (over 100 MB) TIFF files as 50 MB JPEGs with a maximum of 80 megapixels for making aluminum 16x24 inch prints. What about final resolution? How do I convert from one to ...
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4answers
401 views

Taking High-Resolution Images

With recent versions of Windows you are able to use a single image stretched over multiple monitors as a desktop background. As I have 3 1920x1080 monitors so the minimum size of an image to look good ...
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1answer
144 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, ...
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5answers
1k views

How to know if a picture has too many pixels?

I have pictures from three sources, a Galaxy note 3 phablet, a Ricoh WG-M1 sports cam, and a Canon EOS 600D. I did set the EOS 600D to store as jpeg, and my pics are typically between 2.5 and 4.5 MB, ...
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1answer
295 views

D800 video in DX mode [closed]

I can't find any information about that on the web so here I go : What will happen to the resolution if I mount a DX optics and shout a video? Will it stay in 1920*1080? Or will it be cropped to some ...
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3answers
4k 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 ...
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5answers
3k 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
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2answers
842 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 ...
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5answers
5k 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 ...
4
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3answers
315 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 ...
0
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2answers
109 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 ...
12
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4answers
550 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 ...