Questions tagged [resolution]

quantifies how much detail an image can convey

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2answers
245 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
364 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
675 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
759 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
97 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
127 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
398 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 ...
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1answer
1k 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
169 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
107 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
828 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
4k 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
6k 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
650 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
6k 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
154 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
26k 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 ...
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4answers
142 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
406 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
407 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
100 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
201 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
640 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
276 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
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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?
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2answers
181 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
757 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
379 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
137 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
288 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 ...
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2answers
751 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
4k 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 ...
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3answers
312 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 ...
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2answers
104 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 ...
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4answers
533 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 ...
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0answers
83 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) ...
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2answers
106 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 ...
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2answers
16k 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 ...
2
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2answers
231 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 ...
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2answers
10k 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 (A2)...
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3answers
1k views

How can I get everything out of 120 film?

I've just started shooting 120 film in a 1956 Yashica Mat LM. I am new to film photography, but I know that 120 film is supposed to have resolution equivalent to a 100 megapixel sensor. Most film ...
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4answers
2k 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 ...
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2answers
1k 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 ...
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3answers
10k 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 also,...
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2answers
510 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 ...