Questions tagged [image-quality]
Image quality describes how well a photograph matches a perceived technical ideal.
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Why are my blacks coming out so noisy on a Pentax K-30 DSLR when using RAW format
I'm a new DSLR user with an older model Pentax. I'm using RAW format to photograph models in a light box against a matt black background, using white LED lamps and a diffuser. No Flash.
I don't yet ...
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Canon EF 40mm f2.8 consistently sharp across the frame?
Does the EF 40mm f/2.8 lens give sharpness not just at the center but also to the periphery most of the time..? In comparison with the 50mm f/1.8 STM which only very sharp at the center..?
I have done ...
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What type of editing is necessary to achieve this type of watch photo?
The first photo is mine and the rest are thewatchbox.com photos which I'm trying to replicate. Their photos have deeper colors and pop more. Mine seems to have a grey tone to it. Anything I can do pre ...
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Why does Lightroom CC Library Module adds grain and/or texture to certain of my images that is not present in the Develop Module?
I've seen a few posts about the lightroom Library Module having a change in colors from the Develop Module because of the different color space they use but in my case it's more a question of Noise ...
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What causes a dark curvy line to appear in a photo of sky?
I think it might have to do with the uv but I have a uv filter on
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Robert Frank photo
This iconic photo by Robert Frank is baffling me. There is a yellowish portion diangonally in the lower right area. I assumed it was damaged, but upon consulting with a photo restorer I was told it ...
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Which JPG has better quality? And which Exif Byte Order is better?
I have two folders of "the same" JPG images that I made over 10 years ago, when I was a kid, but the size of photos in one folder is different than the other.
The photos were made on my old ...
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How to shoot in enclosed spaces with reflective surface without any reflection and have a good quality image
For my current research project I need to take photos in a wind tunnel (A big enclosed rectangular 400cm x 100cm x 70cm). The objects are super tiny seeds that disperse on a white reflective sticky ...
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How to achieve this effect (small/medium object photography)? [closed]
I need to take photos of a bunch of bullets for a project, and I want to attempt to reproduce how this photo looks. I've taken photography classes in college so I'm not a total rube, but that was a ...
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How to create a more professional looking watch photo?
I reached out here 2 years ago when I was using a lightbox for my watch photography and have come a long way (I hope). After some advice I received, I started using 2 strobe lights on either side of ...
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Why has my tiff file converted to jpeg and shrunk to almost nothing [closed]
i recently had a photograph of my art taken by a photography studio and the file size was huge, over 100mb. Here are the details of that
I then cropped the image myself so it could be used for ...
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How to read a dynamic range chart?
Background
In short, I know what dynamic range is, how to expose properly, etc: don't clip highlights or crush shadows, higher ISO generally = more noise (though not always), etc.
I recently bought a ...
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What focal length is best for photography of rugs?
What focal length is best for photography of rugs? I am choosing between a Sony 16-50mm lens and a 50-210mm lens.
Rugs size small and medium sized 2x3m
Notes :i have 2 only lenses size 16:50 mm and 50:...
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Old film developed and very bitty... can this be fixed?
I found a film from my wedding 12 yrs ago after having a clear out, I got it developed as was desperate to see what was on it as I only lost my husband a month ago... Some photos aren't too bad, ones ...
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How will heat affect film?
I am planning on going to Coachella this spring and car camping. I would like to bring my film camera, but I am concerned the heat may affect the quality of the film. It will likely be Kodak gold 200 ...
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Why are my film photos blurry?
A photography newb here. I just got my rolls of film developed and a lot of the photos came out blurry/out of focus. I'm quite sad as most of these were from trips. I am shooting on a Fujifilm Tiara ...
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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 ...
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Will the Canon EOS M50 Mark II take better pictures of children outdoors then an iPhone 13 Pro?
Assuming the person using the camera has taken basic photography classes will the Canon EOS M50 Mark II take better pictures of children outside then an iPhone 13 Pro?
For additional context I am ...
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How to scan full image (avoid edge cropping)
I am scanning old family photos and hand-written letters. Quite often there is information at the very edges of the object. It is therefore important that the image captures the whole object, not ...
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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 ...
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Does this metadata prove this photo has been edited?
I was displaying a parking pass face up in my windscreen whilst visiting my friend. When I arrived back there was no ticket on my car which meant I could not take my own photos as proof. A few weeks ...
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How to scan photos properly?
I am thinking about digitalization of my photos in case something bad happens to them. Photos are 15 cm long and 10 cm wide. I will do it with my HP DeskJet Ink Advantage 4535 scanner. I want to have ...
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Image File Size Question
Here, Wikipedia gives an example of 5 images with the same pixel dimensions of 300 pixels by 225 pixels, but with differing bit depths from 1 bit/pixel all the way to 24 bits/pixel. I thought that to ...
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How does a modern digital camera process to jpg?
All cameras capture their data off the sensor, then they might save the image in RAW, but can convert to JPG. A RAW file can be 12 or more bits, but a JPG file is only 8 bits.
What process does a ...
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I took one picture and my camera says memory full. Why does it say that?
I just bought a Digital Camera 2.7k Ultra H. I took one picture and says that memory is full. I also set the date and time and nothing saves. I read the Users Manual twice and don't have a clue whats ...
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Why would a US passport photo that passes the travel.state.gov photo tool test be rejected by the actual USCIS system?
I need to upload a digital US passport-style photo to my online account at USCIS. When I upload my photo there it gets rejected by the system.
It says:
"Your photo did not pass photo ...
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Biological Image Sharpening/Processing
I am working on a bachelors thesis on electron irradiation of horse tendons. As part of the thesis I have to take measurement readings from images of the horse tendons taken using a scanning electron ...
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On camcorders, are static photos higher quality in video mode or photo mode?
Camcorders come with photo mode and video mode. But in video mode, you can take a snapshot at any time. Is it guaranteed that the photo mode is using a larger sensor than the sensor size in video mode,...
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What advantages do 16 bit depth photos have over 8 bit photos?
Someone said that 16 bit photos can sell for more money than 8 bit photos. But doesn't that depend on the camera used: Anyone can convert an 8 bit file to have 16 bit, which isn't authentic processing....
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Does resizing a photo larger or smaller destroy the image quality more?
There are various interpolation settings that image editors use to rescale photos larger or smaller. For some reason, resizing a small photo larger sounds more artificial and destructive than doing ...
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If I ask someone at a printing shop to upscale a photo, what will he or she do?
I was sent a photo that was scanned at 300 DPI and it’s roughly 2000 x 2500 pixels. I’ve decided that I want to print it as a large print which will measure 20 inches x 30 inches and that works out ...
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Best settings to Shoot best dynamic range - Shoots like the human eye sees the details and the contrast between the bright light and the outside
I want to shoot a photography but the image looks too bright or too dark.
TOO BRIGHT HERE
TOO DARK HERE
Here I made some editing (I combined these two photo into one ) to show how it seen through ...
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Why only the right hand of the woman is green and different to her skin colour in other parts?
I am wondering how the woman's writing hand is oddly coloured and so much greener than her tint tone on the other hand?
Does it have to do with the circuit boards around her writing hand or the ...
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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.
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Does Manual iso = low noise?
I was taking some test shots today indoors (decent amount of light) set the iso manually to 800 looked through the viewfinder and I was at 1/20 (I was using Av mode) bumped the iso to like 1000 and my ...
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Why do my photos have such poor quality?
I've been using my camera Sony DSC HX100v for years. Lately, some photos have really poor quality (photos taken before and after on the same day look fine). I usually use automatic mode only, so I am ...
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how to find best FX camera to avoid diffraction at small apertures
Long time Nikon user. Looking to capture highest resolution images at smallest apertures possible in order to obtain most depth of field.
Have read various scientific writing about diffraction and ...
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Unable to get good low light photos with Canon EOS R5
I'm using EOS R5 for half year now. I'm using EF and EF/S lenses, because I spent too much on camera body and can't afford to acquire better RF lenses yet. I'm unable to get good photos without ...
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Why are my D5300 photographs blown out?
Brief history: About 15 years ago, I got a Nikon D40, and I took it everywhere I went for a few years. Eventually I wanted to get into video, so I "graduated" to a D5300. Soon after that, I ...
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Zooming into RAW images
Hey there I was wondering why is it when I zoom into an image I took it looks grainy & pixalated. The image will be taken at an iso of 100 and look sharp on the the camera but not as sharp on a ...
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I have an image problem and I don't know what to call this
I wrote the article using a translator and hope you understand well, Sorry...
I am developing machine vision using basler camera(acA2440-20gm).
A problem arose during development.
The image contains ...
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Zoom in on an image without losing quality [duplicate]
Can i enlarge an image without losing quality? You know, like in cool movies people do.
Like so:
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weird vertical lines in low light settings on my Canon 70D
When I record or take photos I get these really weird vertical lines going down my image in the shadows. How to I fix this? I don't have it on a high ISO.
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How to create a more natural look using Strobe lights for watch photography?
I am fairly new to product photography and recently ditched my lightbox for strobe lights to create a more natural and true to the eye look on my watches. The lightbox lighting gave more a dark ...
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What exactly is causing the quality difference between these two photographs?
Here is a photo of 2 individuals: my friend and a male model (right). Both of them are clicked in daylight. I get it that the background on the left picture is very bad but that cannot be the only ...
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Is changing of width and height of smart object image by using free transform OR resizing of the image the same things?
I'm not very good in Photoshop tools, can someone help me to understand;
Is changing of width and height of smart object image by using free transform, OR resizing the image, the same thing?
If I ...
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What adjustments are most useful / typical for improving scanned slides that look flat and a bit magenta?
I have started to scan my slide collection (made between 1980 and 2000), using a Nikon CoolScan V-ED, and found that nearly all scans look flat and boring, and many have a magenta cast, some badly. ...
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How do you know how much of an effect on the image will be when using a strangely shaped aperture like star-shaped or heart shaped?
Compared to regular pentagonal aperture, what effect does the image have if you use the aperture of the shape below?
The above aperture has a pentagonal shape and has a protruding part to the side.
...
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Photography tricks for widening objects or reducing narrowness?
I have a narrow face and feel this may negatively affect my streaming captures, especially with poor quality cameras, low lenses, poor sensors, etc.
Are there any givens in getting a robust, wider-...
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Why do my mobile phone images have a ghostly glow?
I'm not too sure if a setting or update has changed the quality of my photos, or if the glass lens protector I have put on may be causing this.
I have a Samsung S10 5G. It used to take amazing photos, ...
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