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

learn more… | top users | synonyms (1)

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1answer
109 views

Sony A6000 blurry in peripherals despite sharp center — is this a mirrorless thing?

I used to have a mirrorless Sony Alpha A6000 camera. The problem I had with it was that, no matter how hard I tried to keep the center of my photos sharp, my photos always looked blurry in the ...
13
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4answers
762 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?
0
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1answer
42 views

What are the settings to get a perfect picture in cloudy weather (low light)?

Using a GoPro Hero 4 Silver's default settings I took a picture in cloudy weather (low light). Here is the result I got which is very very bad! What settings do I need to get a good result in cloudy ...
0
votes
1answer
33 views

Does using more than one step-up ring affect quality?

Hi I'm new to photography / videography and would like to know if using 2 or 3 step-rings would cause any vignetting, flaring, or any sort quality reduction? My case is I'd like to step-up from 49-...
1
vote
1answer
74 views

Is a GoPro recommended for still images while doing tourism?

I have an iPhone SE and a GoPro Hero 4 Black. Which of them do you recommend using when you are doing tourism? And why? Kind of tourism: I'll be visiting London, Paris, Amsterdam, Prague, Germany, ...
2
votes
5answers
207 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 ...
7
votes
3answers
3k views

Make photos on Facebook nicer?

I upload photos to my Facebook page using the latest Lightroom. I'm wondering if there are some tips or tricks, or maybe hidden options on Facebook that makes the images served to the viewers higher ...
2
votes
1answer
85 views

Will a focal length reducer help me image deep sky objects using an 8" newtonian telescope?

Will a 0.5x focal length reducer help me to reduce the exposure time if I am imaging deep sky objects? I'm using a 1200mm focal length optical tube (f/6), a 32mm super view telephoto extension ...
21
votes
10answers
16k 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 ...
3
votes
2answers
156 views

How can I remove white stripes from an old photo without losing detail?

I have this old photo: I want to remove these vertical white stripes from it. I have managed to remove it by using the darken blend mode with motion blur, but as you can see down below, I have ...
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0answers
19 views

Books on Photography [duplicate]

What books are recommended for fundamentals on photography? I am starting out and have played wit the camera for over a year and i want to greatly improve and want to start correctly.
2
votes
1answer
95 views

Does it actually matter considering DxOMark's Perceived MPix Score for lenses?

The score of Tamron 70-200 f2.8 Di VC is higher than Canon 70-200mm f4L IS on an APS-C Canon Camera like the 550D. Does this make the lens better than an L Lens in terms of image quality? Autofocus? ...
6
votes
10answers
55k views

How to reduce file size without losing quality or resolution?

I have 2,300+ pictures that I want to transfer to my phone but on their original size they take up a lot of space (6.44gb) I would like to trim is down to without sacrificing quality or resolution. I ...
-2
votes
1answer
67 views

Why are my pictures darker when I download them off of my camera? [closed]

I'm trying to download some pictures off of my camera and either on a flash drive, onto my computer, or even online, and whenever I try to do so the pictures become dull and dark. This is quite a ...
1
vote
5answers
322 views

Maximum distance between the camera and a specified object when the object is still visible on the picture?

Theoretically, what is the minimum distance between the camera and an object, where the object begins to not be visible ? Suppose that a camera has f as focal distance and the sensor size 2/3" and the ...
24
votes
10answers
4k 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 ...
1
vote
3answers
9k views

How to preserve image quality when exporting psd file to jpeg?

my psd file is 9900px by 6600px and I want to export it to jpeg for a website. When I try to export it to jpeg with 72ppi and lower down pixel dimensions to about 1000px by 750px, the image comes out ...
2
votes
2answers
181 views

Why do white flowers always have a weird surrounding “glow”?

I have been trying to take pictures of dogwood blooms for a week now. I have the sharpness I want, but the flowers have a weird glow to them. The only post I could find about it is this one. Everyone ...
1
vote
1answer
157 views

Sigma 18-35 f/1.8 poor image quality

I recently bought for my D3300 two new lens. The Nikon 50mm f/1.8 and Sigma 18-35mm f/1.8 Art. As I expected, due to specifications and measurements in DXOMark, the 50mm lens is awesome. A lot more ...
0
votes
2answers
293 views

Camera producing blurred images under average lighting conditions

I have an old digital camera (A Fuji Finepix 6900Z) that, in automatic mode, tends to produce extremely blurry images, especially under slightly darker lighting conditions, most of the time but not ...
12
votes
9answers
4k views

Photographic techniques to avoid chromatic aberration?

I've read several informations here on Photo SE, as well as the wikipedia article on CA. I understand that it is inevitable that some amount of chromatic aberration shows up for a particular lens, ...
0
votes
1answer
75 views

Low quality photo to look good [duplicate]

As I have many pictures in which I have taken from my mobile phone whose picture quality comes good but not good as DSLRs or any HD quality camera. To look my photo or the main object in picture look ...
1
vote
2answers
414 views

Grainy/low quality pictures - how to stop?

I recently got a Fuji S8200 (bridge) camera and I just can't seem to take a decent photo with it at all, and I'm not sure what I'm doing wrong. Here are some examples: http://mariasdesk.co.uk/...
2
votes
3answers
86 views

Does the image quality gets affected when taken in burst mode

I am doing this project in which I have to take multiple shots of a scene in burst mode. The image is not moving. So, if I am taking photos in burst mode, will the image quality of the latter images ...
1
vote
1answer
59 views

Does MP influence ISO?

I use Sony Nex 6 and I noticed that on not really high ISO (let's say 1600) pictures get discernibly grainy. Also I know that the next's model main feature is larger image size (24MP comparing to 16MP ...
1
vote
1answer
64 views

uniform lighting when taking top view of object [duplicate]

What is the best way to take pictures of an object from top view How should the light be placed ? *to avoid shadows and how should we construct the chamber for this ? *for uniform lighting over ...
14
votes
1answer
3k views

What turned the colors psychedelic?

Took this photo through the window of a Boeing 737 with a Fuji X-S1. This is an out-of-camera JPEG with no digital filters added. The water below the cloud was almost uniformly navy blue yet it came ...
10
votes
3answers
18k views

How does using a 2x teleconverter with 70-200 f/2.8 affect use?

I recently acquired the Canon EF 70-200mm f/2.8L IS II USM lens and I love it. However the other weekend I went to Heathrow to do some aviation photography. Whilst it is great for aircraft near to you,...
0
votes
1answer
94 views

Can you duplicate RAW files without losing quality?

A lot of people say that "what happens if I edit my RAW" or "do you lose RAW when you convert to jpeg" and I assumed that if a basic function such as file duplication (copy paste) was valid, they ...
3
votes
4answers
2k views

How viable is copy pasting a professional's settings so that a noob can produce high quality photos?

How viable are "photography templates" where a professional gives the exact settings to use in a specific set up (say afternoon natural daylight at the beach, 50mm lenses with 3.5f at 3ft distance ...
1
vote
3answers
97 views

Is it possible to improve the quality of images I grab at 90fps?

I am using "Raspicam" (https://www.raspberrypi.org/documentation/hardware/camera.md) for a robotics project, where I need to get as many images as possible in 1 seconds. Camera works perfectly fine ...
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votes
1answer
97 views

How can I automatically downsize images which have more pixels than needed for the actual resolution? [closed]

Many factors affect the true resolution of an image — the actual detail resolvable — including lens quality, sensor size and technology, noise and noise reduction, motion blur and camera technique, ...
3
votes
3answers
316 views

Does a full frame with a teleconverter perform better than an APS-C without a teleconverter?

Context Putting a teleconverter on a full frame lens magnifies the center of the lens but gives more reach due to that with some drawbacks. I've rediscovered focal reducers that do the opposite, ...
6
votes
2answers
193 views

Do nano coatings actually make a difference?

Nikon famously has "nano coatings" on it's higher ended lens, and many photographers online swear that this visibly improves their images. However, it's not clear what the actual improvement is (...
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votes
1answer
265 views

How does focal length determine lens quality? [duplicate]

What does an 18 - 50 mm lens mean? Are those numbers the first focal length and second focal length? How do you use this parameter to judge what kind of lens to buy? Does more equal better?
5
votes
2answers
255 views

What temperature lighting should I use for photographing old paper photos?

I know I should be using daylight lighting system to achieve natural looks of photographs, but I don't want to spend a lot of money for profesional lighting equipment, so I was thinking to just put a ...
2
votes
2answers
144 views

Why does my low key photo look pixelated on online services?

I captured a low key RAW photo with my Nikon D5100. I processed it using Lightroom, exported it as a JPG and then set it as my Facebook profile picture. Despite the initial JPG looking good, the ...
1
vote
0answers
54 views

Canon vs Sigma vs Tamron lenses? [duplicate]

Is there a significant quality difference between lenses made by Canon and those made by Sigma or Tamron? Specifically, I have been looking at the EF 300mm f/2.8L IS II USM: but if the Sigma or ...
1
vote
4answers
189 views

What is a “losee file format”?

I am wondering what a "losee file format is". I came across the term in my photography class book The exact question in the book is: Which of these file formats are considered losee? Does that ...
0
votes
4answers
170 views

Why do camera manufacturers advertise image processors but not the sensor itself?

Camera manufacturers often advertise their image processors version in advertisements, such as DIGIC 6 (Canon), EXPEED 5A (Nikon) and many more. But we never see they advertise the sensor they are ...
5
votes
2answers
201 views

Are there still two classes of Canon IXUS/Powershot/IXY/ELPH around?

When I last time bought a Canon Digital IXUS compact camera, there were basically two series available: "Ultra-compact" Digital IXUS 65 ... 70 ... 75 ... 85 IS ... (Europe) Powershot ...
0
votes
2answers
384 views

Picture quality of a nice point and shoot with same size sensor and same zoom range as an interchangable lens camera

I'm trying to figure out whether I should get a camera with an interchangeable lens or a point and shoot that seems (based on the specs) very similar and the same price. The two in particular I am ...
6
votes
2answers
407 views

How does the usual jpeg 0-100 quality settings translate into Photoshop's 0-12 quality setting?

JPEG encoders usually use a quality setting of 0-100, whereas Adobe photo software uses a 0-12 setting. Does anyone know how to convert between these? (I am actually not clear on whether the 0-100 ...
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votes
3answers
319 views

Why does computer screen size affect image quality?

I have a 13 inch screen and my friend has a 27 inch screen. If we both download the same photo from my website, the file size and photo dimensions are the same (70ko and 300x450 pixels). However when ...
0
votes
1answer
149 views

Digitizing old photos flatbed scanner or dslr?

After plenty of research I realised that flatbed scanners lose the battle to dslr when it comes to scanning negatives as seen in the picture: But what about old basic paper photos? Will an average ...
-1
votes
5answers
320 views

Why are my portrait pictures from my new DSLR low quality and “pixel like”?

I recently got a Canon T5i and I took some pictures of my nephew. However, they're very poor quality - they look very "pixel like". Is the poor quality because it was a RAW file, the lighting or was I ...
1
vote
1answer
107 views

Is it possible to paint a nearly identical copy of an old photo? [closed]

I was wondering if it would be possible for artists or graphics designers to paint an almost identical copy of an existing photo? I ask because I have a grainy photo and it would be nice to see it ...
0
votes
1answer
108 views

Is there any way of saving this blurry photo??? [duplicate]

http://i.imgur.com/Lb9FXGe.jpg Is there ANY way to save this blurry photo? I have photoshop. PLEASE HELP.
21
votes
13answers
26k views

How does the lens diameter influence photo quality?

I have tested two different 50mm lenses in my camera. One was a Nikkor 50mm ∅52mm. The other one was a Sigma 50mm ∅72mm. I took some pictures with both lenses using the same setup for aperture and ...
2
votes
6answers
739 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: ...