Napioa - Wind Origins

Napioa - Wind Origins
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quantifies how much detail an image can convey

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0
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2answers
72 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 ...
2
votes
3answers
224 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?
1
vote
2answers
89 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 ...
0
votes
3answers
85 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 ...
0
votes
4answers
180 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 ...
-1
votes
1answer
89 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, ...
1
vote
4answers
237 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, ...
0
votes
1answer
37 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 ...
0
votes
3answers
157 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 ...
7
votes
5answers
1k 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
83 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 ...
-1
votes
5answers
257 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
votes
3answers
226 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
votes
2answers
40 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 ...
10
votes
4answers
351 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 ...
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
81 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 ...
0
votes
2answers
363 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
votes
2answers
80 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 ...
1
vote
2answers
223 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 ...
0
votes
0answers
30 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 ...
1
vote
3answers
160 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 ...
1
vote
4answers
119 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 ...
2
votes
2answers
243 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 ...
0
votes
3answers
293 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 ...
4
votes
2answers
265 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
123 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
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?
0
votes
1answer
107 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
125 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, ...
-2
votes
3answers
575 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
126 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 ...
0
votes
2answers
584 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
3answers
382 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 ...
1
vote
1answer
164 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 ...
2
votes
1answer
101 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 ...
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 ...
0
votes
2answers
91 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
80 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
439 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
147 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 ...
1
vote
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 ...
3
votes
2answers
642 views

What do resolution figures mean in lens specifications?

I'm working in computer vision and choosing the right lens is obviously as critical as having a good sensor if you're going for quality inspection (for example). Sadly I have very little experience ...
1
vote
4answers
163 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 ...
2
votes
2answers
144 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?
2
votes
1answer
352 views

Are mobile phone camera lenses good enough to support 20MP sensors?

With mobile phone cameras approaching 20 MP while maintaining small sensor sizes, pixels dimensions are typically around 1 μm or lower. What about the lenses? Are they good enough to produce an Airy ...
3
votes
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 ...
1
vote
2answers
139 views

What is the most honest way to cite pixel count (resolution)?

Canon cites the following features for the EOS-1D X: Total Pixels: 19.3 Megapixels Effective Pixels: 18.1 Megapixels Largest Image: 17.9 Megapixels (5184 x 3456) The discrepancies are explained ...
4
votes
3answers
194 views

How to estimate the minimum magnification to capture features of a certain size?

What is the correct way to estimate the minimum magnification (maximum subject distance) at which features of a certain size are resolved? My thinking is that given a system capable of resolving a ...
-1
votes
2answers
448 views

How to respect the dimensions when we reduce the images?

This question is generic. I am not a photographer or graphic artist, or expert with Photoshop. I am a simply a programmer of a website. I have a generic gallery of images that I have to put in the ...