Questions tagged [image-quality]

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

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2
votes
2answers
228 views

How do I cope with haze for the photos containing sky and trees at a distance?

I'm always struggling with photos which contain large zones with trees situated far away from the camera. Haze and pollution cause severe changes in colors, which means that the trees lose their ...
2
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4answers
342 views

Since larger pixels increase depth of field and sensitivity, why don't we have large sensors with a low number of pixels?

If I understood correctly, the DoF (all other parameters fixed) increases with the pixel surface. So to have a high sensitivity together with a deep DoF, why don't we just have big pixels (and thus ...
0
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2answers
55 views

How to determine which jpeg is closer to the original image and has the most information?

I've got two jpegs of the same photo of different sizes and attributes. How can I tell if one is the original taken by an iPhone4 or if neither is the original, determine which has the most ...
4
votes
3answers
215 views

What is causing these stripes in my images?

Please don't mind the edited faces. All over the image are visible white stripes horizontally. What could cause them? The image was taken without a flash on a Canon 5D Mark II. Could this be a sensor ...
2
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1answer
71 views

Do different microlenses on EOS R / RP affect use with EF lenses?

I have read that EOS RP uses otherwise the same sensor as the 6D Mark II. However, RF mount has a lower flange focal distance than EF mount. Therefore, Canon has adjusted the microlenses in EOS RP to ...
0
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3answers
79 views

Is it normal for photos imported from iPhone 6 to be pixelated when zoomed in fully on “photos” app on Mac?

In "photos" on a macbook, there is an option to zoom in a photo up to 400 percent. Is it normal to see some pixelation when fully zoomed in?
0
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1answer
39 views

Black level correction for images

As I have figured, the main cause for the intensity values in an image to be non-zero even in the absence of light is the dark current which propagates through the photodiodes, providing some charge ...
2
votes
2answers
144 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 ...
15
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13answers
5k views

How important is a good quality camera for good photography? [closed]

Don't know if this is already a known thing/wiki/previously asked here, but basically: How important is a good camera for actually making strides in photography/doing well? I've done some photography ...
0
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2answers
99 views

Quality from camera to phone [closed]

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 ...
5
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6answers
1k views

Do negatives scanned upside down (backwards) lose quality?

I'm a novice, and don't have a detailed understanding of the technical terms, but I've scanned hundreds of 35mm and medium format negatives to get the best quality RAW files at certain presets which ...
6
votes
4answers
167 views

What quality can be expected from a flatbed scanner and will a more expensive one be better?

I've got a small collection of family photos, probably several hundred pictures, including some taken over 100 years ago (although they might be copies of the originals, I don't know). All prints, no ...
26
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10answers
8k views

How much “noise” is acceptable in a photograph?

I've been at photography for a little over a year, and I primarily do landscape and wildlife/bird photography. Most of my work has been a learning experience so far, with few shots actually something ...
10
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8answers
7k views

What is the “optimal” file size of JPEG images with respect to their 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
134 views

How to get rid of brighter dark areas of the object while taking photo or by editing it later?

I'm having a little hard time taking photos of my pencil drawings. I recently posted a question about noise & blurriness. Here the thing is, my art looks much better on paper but when I take ...
15
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7answers
7k 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 ...
8
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2answers
609 views

What characteristics make a digital sensor good?

Generally, the technical image quality of a digital image (before we get to the post-processing stage) is the product of the characteristics of the lens and the recording medium, with an important ...
1
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2answers
95 views

Is this the limit of the camera image quality or is the subject out of focus?

I'm using the "macro" mode in the Powershot G9X II. The macro mode is simply a shorter focus range, there is no magnification in place, like in aftermarket macro lenses for DSLR's. I've shot many ...
3
votes
4answers
139 views

How do you identify file type/compression in a TIFF file?

From what I understand TIFF is like the .mkv container for photography - it supports a variety of compressed and uncompressed formats. But how would you go about checking if the data within the TIFF ...
0
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4answers
108 views

How to most accurately print a physical picture?

How could I most accurately print a physical picture, such as a painting I created? I want the colors to be as similar as possible and for even the tiniest micro details to show. Would I use offset ...
13
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8answers
11k views

Does Wi-Fi affect the quality of images downloaded from the Internet?

Does downloading an image off a website, when Wi-Fi is strong, result in a higher-quality image on your device?
1
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1answer
72 views

How can I best use two torches (aka flashlights) to take photographs of my artwork indoors?

I have two lights in my room but their light is not enough. So, I count them as ambient light. I don't have enough money to buy something expensive like studio stuff, but I have two torches similar ...
1
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2answers
170 views

How to make photos of fruit more interesting? [closed]

What are some ideas to make fruit photos more interesting? camera techniques I could play with? subject matter to include? ect.... Not sure if my tags are correct.
14
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6answers
11k views

Is there photo analysis software which will pre-sort images by identifying potential technical problems?

I recently went on vacation and took close to 1,000 photographs. As usual there are some good ones, bad ones, blurry ones, etc. In order to expedite post-processing, I was wondering if there is any ...
4
votes
5answers
2k views

How can I resize more than 2GB of travel photography with no quality compromise?

I have more then two gigabytes of travel photography. Each image takes up than 4 to 5 megabytes. I have to send them to some one. How can I resize all images while retaining high image quality?
0
votes
3answers
222 views

Entry level camera vs phone camera?

I would like to start my photographic journey, just don't know which camera to buy for beginners. I was looking at Canon Canon PowerShot SX540 HS, but I wonder how much of an upgrade is it on ...
1
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3answers
192 views

Can a DSLR take a better photo (less blurry and less noisy) of artworks than a Point and Shoot Camera (Nikon B500)?

These photos are taken from my Nikon B500 Point and Shoot camera. See the Orange marks here. The area nearby these marks is not well photographed. I guess you might not see much difference but as I ...
1
vote
4answers
138 views

Best storage for photos without compression of photos or videos on server

I am using google drive as of now for storing the pictures. I have pictures which is of 26 mp so google drive is compressing and removing the quality of pictures. Is there any other storage quality ...
0
votes
3answers
136 views

What is the quality or characteristics of photos of different cameras or lenses called?

Given, the fact that every camera has a distinct photo look in its result, is there a technical term that is used for denoting this aspect, which basically denotes the nature of photos a particular ...
4
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8answers
4k 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 ...
2
votes
5answers
1k 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 ...
8
votes
4answers
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 ...
14
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6answers
3k views

What is the Leica look?

What is the Leica look that fans of the company claim is unique to them? What concrete differences are there that are most obvious to a layman?
-2
votes
1answer
56 views

Resize image in PS CS6 without losing image quality? [closed]

I have a png logo file but i want to resize it without breaking the image. Can I have any tips ?
2
votes
2answers
18k views

What causes outdoor photos to turn out bright white when taken with a digital camera?

I set my Canon Powershot A460 to automatic mode and took photographs outdoors. When I see the to-be-photographed area on the LCD, it appears normal; but when I take a picture, the photo turns out ...
13
votes
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
204 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
votes
1answer
92 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 ...
1
vote
3answers
5k views

How to improve image sharpness on Canon 700D?

I'm currently using a Canon 700D with a few EF-S lenses, I like the Canon system, the looks, feel and ergonomics but I'm not happy with the files I'm getting. Whenever I come across a photo that ...
2
votes
8answers
10k views

Why are some photos sharp in the center, but soft on the edges?

I have seen many photos which are quite sharp in the center, but soft on the edges. What is the reason for this, and how can I prevent it? My first guess is that it has to do with the lens. EDIT: ...
0
votes
3answers
126 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
93 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 ...
29
votes
13answers
38k views

Do digital cameras lose picture quality over time?

For some reasons when I look at my first pictures from my camera (DSLR), they look stunning. I know it could be just psychological. Another friend told me that her camera was really good when she ...
4
votes
4answers
19k views

kB vs MB - will pictures be good quality

I recently had my sons newborn shoot done and the photographer has sent me all his images in kB, is this right as I have always received MB files from previous ones. Will the quality be ok when I go ...
49
votes
3answers
7k views

What image-quality characteristics make a lens good or bad?

When reading lens reviews on the Internet, I often find subjective statements about the image quality that a lens produces, such as "good contrast" or "sharp". The problem is that I don't think I am ...
0
votes
1answer
551 views

image enhancement to read car plate

A group of thieves entered in my house and robbed a lot of my stuff. They used a car to run away. The following images were obtained from CCV cameras from neighbors. Is it possible to improve those ...
8
votes
5answers
23k views

What causes these streaked rays from light sources?

I recently bought an LG G4, whose camera can shoot in an auto and both manual mode (I can manually set the iso, aperture). I shoot 100% of the time in auto. It takes better than average photos at ...
4
votes
3answers
190 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 ...
2
votes
2answers
534 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 ...
4
votes
2answers
913 views

Filter for RGB separation and its effect on the image

Looking at Bayer filter of a typical consumer camera, one can easily see that sensitivity of the filter for each color is all over the place. Are there filters similar to Bayer that do a better job at ...