Questions tagged [image-quality]
Image quality describes how well a photograph matches a perceived technical ideal.
4
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8answers
3k views
My mentor says to set image to Fine instead of RAW — how is this different from JPG?
So far, I have heard of one reason to have the camera save images as RAW instead of anything else. JPEG is a lossy form of image data and so I always thought it made sense to save the image data as is ...
8
votes
3answers
3k views
Why is Nikon 1.4g better when Nikon 1.8g is sharper?
I am new to photography (just 3 to 4 months of experience) and I am looking to buy a new lens (either 35mm or 50mm, but mostly 35mm because I have already decided Sigma 85mm f/1.4 DG HSM Art Lens for ...
0
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0answers
64 views
How can I make the quality better when I take pictures? [closed]
I want to know a better technique to take photos, so that the quality of the picture will improve.
13
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4answers
2k views
Can smartphones with the same camera sensor have different image quality?
Xiaomi Mi 9 and Redmi Note 7 Pro have the same camera sensor — Sony IMX586 Exmor RS.
Does this mean both smartphone have same image quality output when pictures are taken?
0
votes
1answer
23 views
Panasonic Lumix G 42.5mm F/1.2 vs Panasonic Lumix G 42.5mm f/1.7 ASPH Power O.I.S
How much of a difference these two lenses will make in photo quality and what will be the difference? I am a newbie in photo and I am looking to invest in a nice lens for 4/3 that has max features in ...
0
votes
1answer
110 views
“Stack of Primes” vs “Honorary L” – How do these two 35-105mm f/3.5 lenses compare?
In the film era, which lenses people choose depends on which cameras they have (or vice versa). Nowadays, with mirrorless cameras and adapters, people can use nearly any manual lens they want with ...
0
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0answers
19 views
Is it safe to reduce high ppi images for print? [duplicate]
Using Adobe Illustrator to make a brochure for print and have large images that when scaled down reach more than 1000 ppi. If I raster the images to 300 ppi to reduce my project size and increase ...
0
votes
3answers
110 views
Is it normal for photos taken on iPhone 5 to have a grainy texture after being transferred to a computer?
The photos taken on iPhone 5 appear grainy after being transported to a computer. Could this be a result of accidental compression?
1
vote
2answers
81 views
How to reduce blur or haze when shooting long distances? [duplicate]
I am new to photography any i am not sure what is the correct settings when shooting long distance landscapes.
The photo that I took is pretty blurry/hazy. Is there any specific settings or equipment ...
2
votes
2answers
213 views
How will tiny scratches on rear element affect image quality?
I have found a rather cheap Mamiya G 50mm f4 lens on ebay that has some tiny scratches on the rear element of the lens. Now, I have done some research on how much such scratches could affect the ...
2
votes
4answers
305 views
How can I automatically convert Sony RAW (ARW) to JPEGs as good as the camera creates itself?
I am beginner and I made a mistake. I wanted to have the best quality and I saved photos only as raw files (arw). (I have a Sony DSC-RX100 IV).
I have 1000 photos and I would like to save them as ...
3
votes
3answers
471 views
JPEG or TIFF files better for print images?
I shoot RAW and am printing a book using Adobe Indesign.
The printer will get a print ready pdf, but should I save the images to Indesign as hi-res JPEGs or TIFF files for the best print outcome?
I ...
0
votes
1answer
134 views
Nikon D500 + Tamron 18-400 or Sony RX100 m6
I would like to buy a lens for my Nikon D500 or maybe another small camera just for travelling. I looked for Tamron 18-400 lens and Sony RX100m6, but I can't decide. As I saw, Sony has the advantages ...
0
votes
2answers
279 views
GIMP Quality .jpg export - what is the best set up? [duplicate]
please could you tell what is the best common quality export value for .jpg image export in the GIMP? For example I set up the 100% for .jpg and for example for image 1,5 MB I will get the 5,2 MB or ...
4
votes
3answers
163 views
What differences can be expected when using enlarging lenses for general or macro photography?
Enlarging lenses seem to be available for very little cost.
What differences can be expected when using enlarger lenses for general or macro photography? When might one prefer to use an enlarging ...
3
votes
2answers
123 views
How can I simulate JPEG quality degradation? [duplicate]
I am writing a report about file formats in images & their properties. In the report I want to talk about how file formats have lossy compression rather than lossless compression & I wanted to ...
10
votes
8answers
5k views
“Optimal” size of a JPEG image in terms of its dimensions
I plan to write a script that will scan 100,000+ JPEG images and re-compress them if they are "too big" in terms of file size. Scripting is the easy part, but I am not sure how to categorize an image ...
-2
votes
1answer
79 views
Picture I take in low light using yougnuo 580ex comes out like this that its upper bright becomes bright and lower comes out to be totally black? [closed]
How to take proper picture by using external flash?what is the mistake I did in capturing picture I'm a noob in photography
I have nikon d5300
2
votes
2answers
89 views
Does OIS in some cases reduce the quality of the picture (softness, vignetting, loss of contrast…)? [duplicate]
I always take pictures with optical image stabilization enabled (except if I take long exposure shots with a tripod), but I was wondering if OIS could (in some cases) reduce the picture quality.
OIS ...
2
votes
1answer
441 views
How big can you print a canon 5d iii Image? [duplicate]
I am new into photography as a business, one of my customers have asked if they could get an A2 size print.
My question is, will an A2 size print be clear enough from a canon 5d iii image (No Crop).
-3
votes
1answer
235 views
Which picture has better quality? [duplicate]
I have two exact same pictures and they are both the same x:y size. But one of them is 105 KB and the other one is 109 KB. Which of them is of better quality?
1
vote
2answers
85 views
200mm on 48MP body (with 2x digital zoom) vs 400mm on 24MP body
Is the "quality" from a 200mm lens on 48MP body (after a 2x digital zoom) going to be same as one on 400mm on 24MP body? Assuming the same apperture
0
votes
2answers
92 views
what technology does Nikon use to reduce moire?
Nikon cameras do incredible job with moire effect even that nikon cameras do not have anti aliasing filter.And i didn't find moire in any situation with my Nikon d7100
0
votes
1answer
92 views
What is considered a good quality for consistent white balance in a flash/strobe?
Looking to buy a flash/strobe and can't tell if 5600k ± 200k is considered good or bad quality.
I can imagine using 2 strobes from the same manufacturer and getting a difference of 400K, which could ...
1
vote
1answer
93 views
How to reduce haze while photographing lost distance mountains? [duplicate]
When I go hiking I noticed that sometimes the photos have a noticeable amount of haze, especially when photographing long distance mountains.
I think this is a natural phenomenon due to air ...
1
vote
2answers
160 views
Can bit rot cause degraded image quality and flickering?
The photos on my computer seem to have degraded in quality since having been uploaded to my computer, and would sometimes have a flickering strobe effect, which would disappear if I restarted the ...
1
vote
0answers
92 views
What inkjet printer specifications to look for to produce best quality print [closed]
Im new to printing and all these terms from printer specifications are extremely confusing; dpi, ppi, dpp, amount of colors, droplet size, etc. Why is the maximum dpi on printers decreasing and ...
1
vote
2answers
83 views
What should I do to best take a digital photo of an old photo print?
My father just signed up on Facebook last week. Now that he's looked at his friends' walls / pages posting old photographs, he wanted to do the same. I have been helping him to use the smartphone (and ...
3
votes
2answers
105 views
What factors affect the detail and clarity of a photo taken by a digital camera?
By clarity, I mean to preserve as much detail as possible when zoomed in.
For example, I take a photo of my cat 10 meters away, and I want to zoom in and able to see each single fur as clear as ...
1
vote
2answers
289 views
Picture quality when posting pictures on social media
I've been taking pictures of my self or my family with my camera for quite a while now, and i normally use those pics on social media, but the thing is... the pics are so heavy that it takes too long ...
1
vote
3answers
96 views
Professional photo to pop-up banner
The company I work for is wants to order this 10ft banner for a trade show:
https://www.postupstand.com/all-products/led-and-digital/lightbox-displays/10-lux-seg-backlit-pop-up-display.html
They ...
4
votes
1answer
450 views
Why are test images from my Fujifilm X100F softer than I expect?
I just got a copy of the X100F, and I was really excited to play around with it. But as I've taken a handful of pictures in various settings, I've noticed that the sharpness of the images were not ...
3
votes
1answer
816 views
How much does the Canon EF 1.4x III Extender affect image quality on an APS-C sensor?
To be more specific I am interested in buying the Canon EF 1.4x III Extender to use it on my Canon EF 70-200 f2.8L IS II USM mounted on my Canon 7D Mark II.
I know that when using the extender the ...
2
votes
0answers
138 views
Why aren't dct quantization tables symmetrical [closed]
Many image compression standards use the DCT transform to convert spacial data into frequency data.
The DCT coefficents are then quantized based on the estimated importance of a certain frequency to ...
1
vote
3answers
230 views
Assuming no editing, what's the difference between in-camera jpegs and lightroom jpegs? [duplicate]
I have a Canon 6D. I usually shoot RAW + JPEG. I shoot RAW so I have the option to edit, but I don't actually edit most of my pictures.
I've noticed that if I just import into Lightroom and export ...
2
votes
2answers
147 views
How to test image quality with a camera that is focused to infinity?
I have to test a camera that is focused to infinity, but I cannot take an image of an object that is more then 1.5 meters away from the camera because I can't get it out of the room itself. (The room ...
2
votes
2answers
186 views
What image/camera/lens quality metrics are relevant for resolving human subjects?
I am attempting to gather data for creative historical purposes. However, I'm a computer scientist, not a physicist or a photographer, and there seem to be a gazillion considerations.
The environment ...
-2
votes
2answers
257 views
Do photos from the iPhone 7 lose quality over time?
The pictures taken on my iPhone 7 camera have low resolution and a grainy quality. I don’t remember it always being like this.
-1
votes
1answer
115 views
a general account on parameters of a camera; which are innate, which are derived, which can be processed later, etc [duplicate]
So we all know there are 3 golden parameters in camera: aperture, iso, shutter speed. I could sense those 3 parameters are innate, which means they are directly related to the mechanics of the camera, ...
-1
votes
1answer
255 views
What are Olympus' best in-camera Jpg settings for facebook
I usually shoot raw and make minimal in-camera post-processing with my O-M10 Mark II before exporting the photos to Facebook.
Did anyone figure out what are the best in-camera jpeg resolution and ...
0
votes
1answer
72 views
Quality from camera to phone
If a picture taken with canon rebel t6 is sent to my Android phone, will it look the same printed from my phone vs the sd card from camera. Want to have a picture printed to canvas, originally taken ...
16
votes
6answers
6k views
Why is this smartphone picture better than this dedicated camera picture?
The other day I went hiking through a mountain in west Tokyo to take wilderness pictures for reference for the new videogame I'm working on.
For the past few years, I've only relied on my smartphone ...
18
votes
3answers
4k views
Are online photos safe from damage?
The photos on one of my Facebook accounts seem to have lost a significant amount of resolution after they had already been posted. This account has other issues, for example, my timeline review is ...
1
vote
2answers
261 views
What are the Focalreductor/Speedbooster differences?
I have my grandfathers set of Canon FD lenses (among the most fun are a 50mm f/1,4 SSC, a 28mm f/2,8 SC, and a 200mm f/4 SSC) and a full set of filters for the same mount.
So wanting to mount it on a ...
2
votes
3answers
153 views
What do I need to change to prevent this denim looking grain/noise in my product photos?
I'm an amateur and I'm reading everything that I can to learn how to take decent product photos and get the best out of the equipment that I have...
My question is specifically, what is likely causing ...
2
votes
2answers
783 views
What should I expect from Canon EF 24-70mm f/2.8L II USM?
What should I expect from Canon EF 24-70mm f/2.8L II USM?
Hey guys,
I'm a noobie around here so I hope I don't annoy too many of you with this question.
At the moment I have a Canon EOS 80D and ...
0
votes
1answer
132 views
Should i buy a lens or a new camera? [duplicate]
I have a sony dslr camera thats about 10 years old, it doesn't take as good quality photos as newer cameras. I want to know if i should buy a lens or a new camera. What affects the quality more?
0
votes
2answers
110 views
Image quality criteria in low light
I am using Gsmarena photo camera comparasion tool and I compare iPhone 6s plus and iPhone X in low light. Why iPhone 6s plus looks much better and less noisy compared to iPhone X while iPhone X has ...
3
votes
2answers
101 views
How large can I print an old illustration?
quick question. I've got a bunch of illustrations from the 1400's-1500's, and I would like to know how to figure out how large I can print this on art paper.
The purpose is for art prints, they're ...
-2
votes
1answer
67 views
How can I measure a new high dynamic range image tone mapping operator for performance or image quality? [closed]
I made a new operator for tone mapping, and I need to know it's efficiency (image quality) compared with other tone mapping operators.
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