Photography

Questions tagged [image-quality]

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Image quality describes how well a photograph matches a perceived technical ideal.

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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 ...
CD4765145242
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1 vote
1 answer
75 views

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 ...
CyberHavenProgramming
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0 votes
1 answer
104 views

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:...
Soly Šolević
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0 answers
86 views

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 ...
smirnofffff
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1 vote
2 answers
58 views

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 ...
Max von Witzleben
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2 votes
3 answers
268 views

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 ...
Andy Liang
  • 23
0 votes
1 answer
126 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
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2 votes
3 answers
337 views

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 ...
Jared
  • 121
2 votes
3 answers
99 views

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 ...
texnic
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1 vote
0 answers
114 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
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-2 votes
2 answers
552 views

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 ...
Deesma
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1 vote
2 answers
106 views

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 ...
leskovecg
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3 votes
2 answers
121 views

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 ...
William Deng
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0 votes
3 answers
244 views

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 ...
Stuart444
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1 vote
1 answer
166 views

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 ...
anonymous
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1 vote
1 answer
436 views

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 ...
Sedergine
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0 votes
0 answers
175 views

Sigma lens with Sigma teleconverter or Canon teleconverter

I am in need of a longer focal length and I can't currently buy a +400mm lens so I have decided to purchase an extender/teleconverter for now. I have two lenses on which I will use the TC. The first ...
weinde
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5 votes
2 answers
138 views

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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user105273
0 votes
1 answer
76 views

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,...
user610620
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0 votes
3 answers
421 views

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....
user610620
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3 votes
3 answers
213 views

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 ...
user610620
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0 votes
1 answer
158 views

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 ...
JasonSmith927372
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1 vote
1 answer
109 views

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 ...
diniulian
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0 votes
1 answer
125 views

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 ...
things_are_stacking
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0 votes
0 answers
88 views

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
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3 votes
7 answers
3k views

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 ...
Joe B
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1 vote
2 answers
311 views

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 ...
erc
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0 votes
2 answers
137 views

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 ...
Martha -smudger-
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4 votes
6 answers
7k views

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 ...
Slasher
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3 votes
4 answers
391 views

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 ...
Kevin Workman
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0 votes
1 answer
484 views

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 ...
Kelvin
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0 votes
1 answer
136 views

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 ...
Most T
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0 answers
31 views

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:
Aihara
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0 votes
1 answer
301 views

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.
Jonah Tieman
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3 votes
2 answers
318 views

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 ...
Mike
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10 votes
8 answers
5k views

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 ...
Aaryan Dewan
  • 211
1 vote
1 answer
66 views

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 ...
user310896
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1 vote
1 answer
92 views

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. ...
Aganju
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1 vote
1 answer
55 views

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. ...
EEJJONG
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2 votes
3 answers
569 views

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-...
Omeedus
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7 votes
2 answers
2k views

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, ...
Martyn Ball
  • 173
2 votes
4 answers
617 views

Sensor size and pixels amount impact on image quality

Digital cameras have two characteristics: sensor size and pixels amount (in MP). I know the bigger sensor is and the more pixels amount is the better for the final image quality. But what ...
Andriy Kryvtsun
  • 251
1 vote
2 answers
179 views

Can jpg be converted to progressive jpg without quality loss?

My understanding of a progressive jpg is that it saves the color information of each pixel in a different order, to create the progressive loading effect. I.e. instead of RGB RGB RGB ..., it's saved ...
zli
  • 317
0 votes
1 answer
282 views

Did sensors improve in the last 10 years?

I have a Sony SLT-65 and consider getting a new mirror-less APS-C camera. What can I expect from sensor development of the last 10 years? E.g., does the Fuji X-T1 offer better quality in low-light/...
Somebody
  • 111
4 votes
4 answers
475 views

Are award winning landscape images edited?

I am on Flickr and 500px and also exploring award winning photographer's shots. They are beautiful, but I always wonder how much they edit their images? Can an image straight out from camera win an ...
CrazyC
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1 vote
1 answer
523 views

Is a Canon 18-200mm lens a good idea?

Currently I have a T7, and I don't like the non-versatility of the kit 18-55mm lens, i.e. I need more focal range. Is a Canon 18-200mm lens a good option for a replacement? I've seen a lot of reviews, ...
Arthur Mills
  • 21
0 votes
1 answer
979 views

In general, should I expect better image quality from a 24-70mm f/2.8 lens than from a 24-105mm f/4 lens?

I'm in the market for a full frame EF-mount standard zoom lens, so I've been doing a lot of research about different 24‑70mm f/2.8 and 24‑105mm f/4 options. I understand the tradeoffs in terms of ...
Gern Blanston
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9 votes
5 answers
3k views

How to increase the quality of photos taken through a DSLR?

I have been shooting for six months now using my Nikon D5600 and the 18-55 mm kit lens. I use Photoshop to do the color manipulation for my images. When I finish I export them in PNG format and upload ...
asimplecoder
  • 147
1 vote
2 answers
4k views

Why does the quality of photos shot in RAW change after a few seconds when viewing them on a computer?

I have been taking a photo class for the past month or so and the professor told us to shoot in raw for a few assignments. When I view the pictures shot in RAW (on a canon rebel t7) on my computer, ...
chuck
  • 11
1 vote
2 answers
1k views

Why does GIMP increase the size of exported JPEG files?

I'm using GIMP to edit some vacation pictures (JPEG files) taken with a rather old digital camera. Lacking a professional background, I just went about by trial and error and ended up adjusting the ...
david
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