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quantifies how much detail an image can convey

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2answers
473 views

What would look better - reduce the size of image and print with lower DPI or increase the DPI instead?

I'll give an example, to make my question a bit more clear. If I have e 12Mpx camera (D700, always shooting in raw format), the highest possible resolution is 4256 × 2832. Obviously, in most cases, ...
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2answers
20k views

What is the optimal resolution required of a picture to print on an A1 size canvas?

I am working on a poster in which the background is a photo that I took myself (18 MP). I am wondering what would be the best resolution for printing this photo on an A1 canvas. This might sound very ...
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2answers
730 views

Canon a2300 resolution problem

I have Canon Powershot a2300. It was working fine till yesterday but i dnt know what settings have been changed to reduce the size of the image. Previously images sizes were about 4mb now it is kb's ...
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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 ...
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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 ...
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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 ...
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3answers
470 views

Dots per inch calculation [duplicate]

Possible Duplicate: What does DPI mean? I have a hard time understanding the concept of dots per inch. I've looked the wikipedia article and I am still unsure. Say I have a 4"x6" photograph ...
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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 ...
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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 ...
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2answers
383 views

Should two identical digital pictures of the same resolution and format have the same size?

I apologize if this is the wrong stack exchange site, but I thought my question might be too specific to photo encoding for stack exchange. I recently recovered a host of digital picture files from a ...
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2answers
273 views

Oversampling: Worth it, and will it improve low-light? [duplicate]

I own a 10.2MP Sony A230, and I like to take it with me to important family and friends events... I rarely print my photos, and even then never more than around A4 size, they generally end up on ...
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1answer
315 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 ...
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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 ...
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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 ...
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2answers
707 views

is a camera sensor size cropped according to the change in pixel aspect ratio of a resolution?

As an example, canon 6d full frame has the highest resolution of 5472 x 3648 with a pixel aspect ratio of 3:2 . As this is the highest I assume this is utilising the full size of the sensor. If the ...
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1answer
3k views

Canon Powershot SD1400 IS stuck in 640x480 mode?

For some reason, every photograph I take on my PowerShot is saved at 640x480 despite the claims that the camera has a 14.1 megapixel resolution. I only have a 1gb SD card inside the camera, and am ...
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1answer
247 views

What is the “Resolution” and how it's related to “Printing”

What do we mean by "Image Resolution" anyway and how it's related to printing on paper? Is resolution related to displaying the image on computer screens too? What is the meaning of "High ...
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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) ...
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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?
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3answers
317 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 ...
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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 ...
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0answers
245 views

Why does our Canon PowerShot A1400 keep resetting to “L” resolution?

We have three Canon PowerShot A1400 cameras. Resolution on all of them has been set to S. Two of them hold this, but the third one resets itself to L every time we turn the camera off and on again. ...
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0answers
45 views

LED HD TV as a monitor for post processing purpose [duplicate]

Can I use a 47" 3d led hd tv with my pc to post process my photos? I am not sure how the quality will be on such a big screen photo being of some 4900x3600 approx.
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1answer
235 views

Optimal JPGs resolution out of a Point & Shoot camera for storage size and quality? [duplicate]

Simple point & shoots don't produce RAWs, they produce JPGs. Let's assume you have a modern P&S which shoots 16 megapixels maximum in Super Fine, Fine and Normal JPGs. First side question is ...
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4answers
139 views

What is the limiting factor of picture resolution?

What is the limiting factor? E.g (thought experiment) If we are 200m away from a tree (let's pretend it's perfectly stationary) and we take an exposure for a week, shouldn't we collect enough photons ...
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3answers
262 views

How can a 900X500px image have ~5400 DPI? [duplicate]

Possible Duplicate: Does the dpi number reported by camera in JPG have any meaning? I am investigating on the size and resolution of the photographs posted on the Internet. I have visited ...
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1answer
133 views

If shoot pictures in 10.0 mode or 12.0 what is quality?

If my camera is shooting in 10.0 or 12.0...what will my megapixels be? I am a beginner and I know I need them to be at least 1600x1200 for my purpose.
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3answers
221 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 ...
0
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3answers
681 views

Why won't an online service print 16x20 from an 8 megapixel cell phone photo? [duplicate]

Possible Duplicate: Is there a general formula for image size vs. print size? I have a wonderful photo from my cell phone and several people would like a 16x20 or at the least a 11x14 ...
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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 ...
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3answers
137 views

Increase photo resolution by taking a high-res photo of the photo?

I want to make a big tile mural (6 ft. x 3 ft.) from a photo that is 2' x 1.5', 300 dpi. Can I get a higher resolution in the end result if I take a picture of the stock photo with my Canon DSLR, ...
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3answers
380 views

Perfect image quality for 7 foot ultra-hd screens, using PPI to cheat. Photoshop, help!

I am receiving images from clients at 300ppi that need to appear on ultra-HD screens. These images are the wrong dimensions (too small). I'm wondering if i can scale them up somehow to (without ...
0
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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 ...
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2answers
212 views

Device to make continuous high-resolution photos?

I have a problem — I want to make a photo of a surface with high-resolution (>20 Megapixels) every second. If I will use a DSLR camera a shutter will die very quickly. If I will use a videoflow — ...
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2answers
465 views

What is the resolution of a good compact camera in lines resolved?

After doing some internet research myself to answer this question, I finally wind up asking here. Compact cameras have similar "megapixels" than decent dSLRs, but way lower sensor sizes and certainly ...
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2answers
519 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 ...
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1answer
1k views

How can I compare MTF50 to a manufacturer's MTF chart?

Currently working with a trial-copy of QuickMTF (Imatest's software kept crashing on me), and I'm trying to get some basic MTF readings for my Canon 85 f/1.8 lens on a 6D. My first set of test shots ...
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1answer
2k views

What impact on image resolution does the aperture have?

What is the effects on depth of field, signal to noise ratio and image resolution when reducing the aperture?
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3answers
67 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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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 ...
0
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2answers
218 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 ...
0
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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 ...
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2answers
1k views

Will using snapseed make the quality of my photos worse?

I often like using simple editing software on my iPad, however if I were to shoot in RAW and then export a photo as a png/jpeg and then saving it on snapseed, would using the program make the ...
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1answer
383 views

What is the best way to resize a high-DPI image for use on the web and in mobile apps? [duplicate]

I've been given an image (I'm guessing straight from a camera) and it's currently at at 240 pixels per inch. It's been a while since I did much Photoshop; I have three questions for two requirements: ...
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1answer
337 views

Can a image have different XResolution and YResolution?

In EXIF data I see stuff like XResolution = 72 YResolution = 72 I'm trying to display that on a site, and I was wondering if I should display both or just a single "72dpi" ? Are there any cases ...
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2answers
716 views

Best dpi for printing a 48x18 inch at 200%?

I have an image in photoshop I want to print at 200%, and right now it's 48x18 inches, and the resolution is 72 dpi. I read somewhere that changing it to 600dpi would allow me to scale it by 200% at ...
0
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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 ...
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2answers
3k views

how do you determine the size of an image based on resolution , ppi, and type?

I'd like to be able to determine the size of a an image with a particular resolution/ppi for JPEG & PNG formats. Are there any online tools to do this?
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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 ...
0
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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 ...