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Questions tagged [resolution]

quantifies how much detail an image can convey

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Taking a scene from a video I made

I took photos and video of a place that I liked, to use it in my website. I now see that the video scenes look better than the photos. May be due to resolution, I am not expert. My question is, how ...
upstream's user avatar
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4 votes
2 answers
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How is picture format related to sensor format resolution?

The full resolution of the Samsung S23 is 50MP, the sensor has a 1/1.57" format. If I take a photo in 9:16 format, the resulting images are only 37MP - so far so good, the full sensor isn't used ...
iwab's user avatar
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How to practically estimate the maximum usable resolution from a scanner using Fourier transform?

I can use an Epson V750 Pro to scan negatives. According to Filmscanner.info the maximum usable resolution is about 2300 dpi, but I would like to check myself what the one I can use can do. I don't ...
FarO's user avatar
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2 votes
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"Do monochromatic sensors without a CFA have better resolutions than sensors that do?"

I've been reading a bit about Bayer CFAs and still don't quite comprehend how it reduces spatial resolution? I can see that there is an evident lose in color resolution due to the interpolation and ...
vannira's user avatar
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1 answer
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Digital 4K acquisition vs 4k exhibition

I did some simple calculations using the classic SMPTE reference for cinema viewing AOV of 43.4 degrees, at average human visual acuity of being able to resolve lines at 1 arc minute, at obtained a ...
vannira's user avatar
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3 answers
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Resolution on smaller vs larger sensors

I was reading this paper which states that My question is in regards to the first paragraph. I was first imagining, that if I were to try to take the same photo on a smaller sensor as on a large ...
vannira's user avatar
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For what case is "Image sizing" in Lightroom relevant? [duplicate]

Prerequisite: A digital picture is in my opinion only a sequence of pixels. e.g. in the .png format (simply explained) for each pixel, the color value and its position is stored. So how big a digital ...
JJandke's user avatar
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2 answers
67 views

Am I correct that there are just two optical limitations to resolution / MTF: aberrations and diffraction?

Bit of a semantic (and potentially naive) question here really, but I'm writing an article and want to be sure I'm correct. Can everything that limits the MTF of a lens except the diffraction limit be ...
toucangaroo's user avatar
-1 votes
3 answers
115 views

Create a image file format with dynamic resolution to better resemble the human perception? [closed]

Would it not be great to have a dynamic image resolution to better resemble the human perception of things? It would be made so that the photo would be taken with different zooming levels and then all ...
warpi's user avatar
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1 answer
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I have a bunch of film to scan, what is the best resolution?

I have roughly 1200 photos on film varying in age from modern to type 110 and 126 and some of it 50 years old. I got a Nikon 5000 ED second, bought good software (Silverfast Archival), used color ...
cybernard's user avatar
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16 votes
6 answers
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What does a client mean when they request 300 ppi pictures?

For an archaeological project, our client is requesting that all pictures taken should be in "300 ppi" (not 300 dpi). I'm having trouble understanding what it means. For now we have been ...
tonyduky's user avatar
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3 votes
2 answers
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Why are my photos taken with Kodak Portra 400 and Fuji C200 coming out grayish?

I'm fairly new to film photography. I have a Canon AE1 and I'm kind of discovering how to use it, understand exposure etc. I've done photos with Kodak color plus 200 and they came out nicely, recently ...
Izone_polaroids's user avatar
1 vote
1 answer
86 views

What's the best way to approximate '4k' resolution from a security camera?

Odd question I know. I am considering getting a 4K Home Security Camera. I want to know how it will see my yard, so I took a photo where I will mount it using my phone. (Pixel 6a, focal 2.2 ...
Camera-Noob's user avatar
0 votes
1 answer
370 views

Photo quality if you upscale a low-quality photo with Gigapixel AI then downscale back

Gigapixel is a program by Topaz Labs that is able to enlarge small and low-quality (pixelated) photos, while enriching them with higher quality details (between and within the original pixels) by ...
user610620's user avatar
1 vote
2 answers
110 views

Why there is 96 dots per inch in description but when i opened image it is 300

Can some explain me please? Why if i right clicked the information about the file there is 96 dots per inch . But when i opened image in GIMP it says it's 300? Images were saved/downloaded from the ...
anatolio15's user avatar
1 vote
0 answers
119 views

Image quality expectation of 2K surveillance camera vs 4K iPhone? Resolution vs field of view

I'd like to be able to identify licenses plates as they enter our cul-de-sac. My question is triggered by a comparison between an Arlo Pro 4 and an iPhone 12. The iPhone produces extremely high ...
Robert Lugg's user avatar
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2 answers
189 views

Does Shutterstock have a minimum resolution, or pixel density?

Similar to Noise reduction, upload to shutterstock declined I uploaded some photos to Shutterstock, which got through to review. They were all shot on an Olympus OMD E-10 Mark III, as JPEG's. All had ...
spikey_richie's user avatar
0 votes
1 answer
215 views

Why is the resolution of a photo not equal to the camera's default resolution

I downloaded the photos from the Internet,these photos have exif, but the resolution of the photos is inconsistent with the resolution of the camera data(like data of dpreview).Let's take an example ...
lee blues's user avatar
0 votes
2 answers
227 views

Why is the PAN GSD 4 times the MS GSD in satellites?

In most earth observation satellite specifications, the Panchromatic (PAN) Ground Sampling Distance (GSD) is 4 times the Multi-spectral (MS) GSD. But, I cannot find a detailed explanation on why that ...
Diffa's user avatar
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What is the highest spatial frequency that can occur in an image? And the smallest one?

I searched the information and couldn't find the answer. I don't understand about this and I don't know how to respond.
Ashley Stone's user avatar
0 votes
1 answer
105 views

Instagram Landscape Resolution: 1200 px Width or 1080 px Width?

It seems there are different recommendations for Instagram landscape format image resolutions available out there: One say, the image should have 1080 px x 608 px (which is 1.91:1). Others say, it ...
Dave's user avatar
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1 vote
2 answers
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What setting in Lightroom export can affect resolution when printing

I have this picture I took with my Fuji X-T1 in JPEG Fine. I wanted to print it for a relatively big frame in black and white, so I converted it to B&W in Lightroom, exported it and sent it to a ...
guillaume31's user avatar
1 vote
0 answers
30 views

Sensor resolution and ISO performance [duplicate]

I keep hearing that less megapixels = better ISO performance, because larger pixels capture more light Suppose I shot something with a 4MP sensor and then downscale it to 1MP (4-to-1 pixel binning?)....
user2797961's user avatar
5 votes
3 answers
246 views

Perseverance Rover Camera Sensor Resolution

(I have two questions.) I was looking at some pictures taken by the rover Perseverance, on Mars, and it got me thinking about the sensor it uses. Turns out that it uses a, about, 2MP sensor in its &...
poupou's user avatar
  • 53
2 votes
2 answers
305 views

What does it mean when a scanner or printer has asymmetric resolution (e.g., 600 x 1200)?

What does it mean when a scanner or printer has asymmetric resolution (e.g., 600 x 1200)? If you print/scan something that is quadratic, would you get different quality if you rotated it 90 °? Isn't ...
d-b's user avatar
  • 151
3 votes
2 answers
475 views

Trying to understand effect of lens lp/mm on image pixels

I'm trying to understand how lens quality in terms of lp/mm affects the pixels in an image. Suppose I have a Sony IMX253 (1.1" sensor format, 3.45um pixel size, 4096x3000 resolution). In order to ...
tinker102's user avatar
0 votes
1 answer
137 views

Would a professional restorer be able to do a better job restoring a print if he were to scan the print at 2400 ppi vs 1200 ppi?

According to one answer on this question at Genealogy and Family History, a restorer of prints will often ask a customer to scan a print for restoration at the customer's scanner's highest resolution, ...
Friedrich Bauer's user avatar
0 votes
5 answers
150 views

Is my monitor inhibiting my post processing?

My Acer x193w equals 1440 x 900, 0.283nm pitch, 16 million colors I am thinking of upgrading the display, I'm editing photos and wonder if my suspicion of not being able to appreciate the fine detail ...
yegnal's user avatar
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21 votes
5 answers
16k views

Maximum useful resolution for scanning 35mm film

I have no particular project in mind so I'm just asking in order to have a better understanding: Let's say I'm an artist shooting pictures with a 35mm camera and my point would be to make really big ...
Bachir Messaouri's user avatar
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2 answers
223 views

What is needed in order to produce good quality photographic wallpaper for a smallish room?

I am not a regular photographer. I'm interested in the idea of having a photographic harbour scene as wallpaper on my study wall. It may or may not be required fill the whole wall: I've given ...
chasly - supports Monica's user avatar
0 votes
2 answers
688 views

How can I get the largest MB and highest picture quality from my Panasonic TZ100

I am an amateur (have been for many years) who is trying to take photos of jewelry for poster quality print at A2 size. The image of the jewelry needs to be able to look good at about 1/3 of the size ...
Vaune Mason's user avatar
3 votes
3 answers
129 views

Transition between different film/sensor generations

During the history of photography, there has arguably been no component which has improved as much as the medium which records the light. The mainstream has gradually moved from glass plates, to 5x4&...
Mark Morgan Lloyd's user avatar
3 votes
1 answer
505 views

Is there a way to speed up working with large files in Photoshop? Like proxy editing?

I am currently using a camera that produces 60mp+ raw files which I pre-correct in Lightroom and then load into Photoshop for final editing. As I have around 10 layers with various corrections, the ...
Kai Mattern's user avatar
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3 votes
3 answers
1k views

distance between pixels = a fixed measurement (inch, foot etc)?

Let's say the distance from my camera to my object is 3 feet. The object is a 6 foot long pole. The pole has a mark every inch. Will the number of pixels between the bottom 1 inch be the same number ...
Walter L. Preuninger II's user avatar
2 votes
3 answers
2k views

Does lower resolution result in better signal-to-noise ratio, given the same sensor size?

With the release of the Canon EOS R5/R6, there have been many saying that they prefer the 20MP R6 camera over the 45MP R5 camera, due to its lower price but also because of "better low-light ...
Skeleton Bow's user avatar
0 votes
2 answers
144 views

Estimating the optical resolution of a lens

In Tony & Chelsea Northrup's recent video titled 5 Lies Camera Companies Tell You, they mention that the optical resolution of a kit lens is often lower than the resolution of the sensor at around ...
wilkgr's user avatar
  • 758
0 votes
2 answers
175 views

What digital camera resolution do I need to make a "zoomed-in" image on a website?

Sorry for my English...I don't have much experience with digital cameras. Right now. I'm building a Website and I'm creating a zoomed-in image like this, where mousing over a smaller image displays a ...
jdgs56z's user avatar
1 vote
1 answer
69 views

Printing picture on a canvas [duplicate]

I am trying to print a picture on a canvas, I would like the canvas to be 16x24 in size. I was told that my picture is 75 DPI, is the resolution good enough for the canvas to be nice and clear?
S. Moskowitz's user avatar
2 votes
1 answer
776 views

How to calculate the precision/resolution of a camera

I know there are other questions about this but I couldn't find the answer I was looking for... I am developing a control system using a camera and I need to know theoretically the precision/...
Jack's user avatar
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0 votes
2 answers
233 views

What PPI I need to set for photos to avoid pixelated, jagged edges on paper?

I want to shoot a few photos using the smartphone. I will receive JPEG files with a pixel density of 72 ppi. I will then move these photos to my computer and convert them from JPEG to TIFF (using GIMP,...
Konskoo's user avatar
  • 85
0 votes
3 answers
1k views

Why are 48mp images taken with a 4k camcorder very bad?

I bought a 4k ultra HD digital camcorder and took a picture with it. I don't know much about cameras or photography but I expected the picture to be sharp as high-resolution pictures are. But when I ...
Smith's user avatar
  • 111
1 vote
3 answers
273 views

Can I upgrade the resolution of a camera without getting a new camera body?

Can you upgrade your camera body with higher resolution? E.g with a new sensor? I would even be willing to pay for a whole camera to upgrade the one I have. The reason I want to upgrade the sensor ...
Gary L Chafin's user avatar
0 votes
2 answers
142 views

What is the meaning of pixel size for sensors

I was reading into the specs of my camera, and in the manual it says that the sensor I am using (SONY EMX287) uses 6.9 μm pixel size, making it a sensor with high spatial resolution. So I was ...
StudentOIST's user avatar
2 votes
2 answers
518 views

Tools or methods to extract frame from video which is of higher resolution by combining multiple frames

With a stationary video zoomed in, if watching as a human, more details can be "seen" over multiple frames because we're able to tune out noise and/or combine slightly shifted detail into one coherent ...
g491's user avatar
  • 153
3 votes
3 answers
2k views

Bayer color effective true resolution [duplicate]

Because in a typical digital camera, each pixel records only one color though use of a Bayer filter or similar mechanism to achieve color vision, the true resolution of a ## megapixel sensor is ...
g491's user avatar
  • 153
2 votes
1 answer
101 views

Photobook printing – does the text get printed differently?

I've printed a few photobooks through various services (AdoramaPix, Blurb, etc.) and am always looking for better quality options. I hear good things about BayPhotos and Milk, in particular their 6-...
baptiste's user avatar
1 vote
3 answers
189 views

What is a good resolution for text notes (during a lecture or training) [closed]

I'm a techie and when attending various training presentations, I'll take a photo of a slide that is being presented. Now I want to save this training slide for posterity. What resolution is ...
PatS's user avatar
  • 137
1 vote
2 answers
2k views

Calculate original resolution an image was taken at from EXIF data?

I have a resized JPG of a photo that still contains the original EXIF data. How can I calculate the original resolution (in pixels) the camera was set to when this photo was taken? In the EXIF, I see ...
matthias_buehlmann's user avatar
1 vote
1 answer
4k views

Calculating the sensor size or pixel pitch of the Logitech BRIO 4K Webcam? [duplicate]

I have a Logitech BRIO webcam and want to try and calculate some of its physical dimensions like the sensor size or the physical size of each pixel. Unable to find any info on the official site, I ...
user11909399's user avatar
0 votes
1 answer
752 views

How can I force my 48Mpix Android camera phone to save images at full resolution?

I have a Mi A3 phone camera. This has a 48Mpix sensor, but I am disappointed in the detail captured compared to, for example, a Sony phone with a 12Mpix sensor. Now what I notice from image ...
political science's user avatar

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