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

learn more… | top users | synonyms (1)

-2
votes
1answer
24 views

How does focal length determine lens quality?

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?
0
votes
1answer
87 views

When should I consider an image sharp? [duplicate]

Recently I am worried about the functionality of my Pentax K-50, i.e. I am not able anymore to get real sharp images. Thus my question arose, what I should see as "sharp". So I took several pictures ...
3
votes
3answers
193 views

What are some good online forums for discussing photographic editing?

What are some good forums for talking about editing photos in Photoshop or GIMP? Where do you talk about such things? EDIT: Other than here, of course.
1
vote
2answers
4k 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 ...
0
votes
1answer
93 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 ...
-5
votes
0answers
54 views

Which photo should I use as my Facebook profile “cover/main” photo…#1 OR #2? [closed]

Photo #1: http://i1034.photobucket.com/albums/a428/blueberries20141/_DSC1283_zps8f3c8043.jpg Photo #2: http://i1034.photobucket.com/albums/a428/blueberries20141/_DSC1325_zps60e2017e.jpg ...I want ...
0
votes
1answer
28 views

Aperture of Photography [duplicate]

I am a beginner. Can anyone state what it means if anyone says "The aperture of the photo/pic is not correct."? I donot know what actually aperture means.
0
votes
3answers
192 views

Full frame or not? [duplicate]

I am struggling to decide between the 5D and the 70D as an upgrade to a 600D. I am an amateur photographer achieving pleasing results with my 600 and I have 5 good lenses. The kit (18-135) is an EF-S ...
1
vote
2answers
63 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 ...
0
votes
0answers
42 views

A tool to resize photos based on 'quality' (bluriness, graininess, etc) of original image

As part of my organisation workflow I like to size down images where the quality of the photo is not making the most of the resolution (due to camera shake, low light graininess, or whatever). Is ...
1
vote
2answers
163 views

How does Rokinon 24mm f/1.4 image quality compare between f/1.4 and stopped-down to f/4?

I have a Rokinon 14mm f/2.8 lens that I use as my go to for dark sky imaging with my full frame camera and it is amazing. However, I just bought a Rokinon 24mm f/1.4 lens for my crop sensor camera so ...
0
votes
1answer
47 views

Will a Fuji Finepix S4800 take much better pictures than my Galaxy S4 phone?

Which Camera will take better pictures? The one in my Samsung Galaxy S4 phone or a Fuji S4800 camera? I know the Fuji has better MP (16 vs 13) and much greater zoom but I am still wondering if I ...
1
vote
1answer
100 views

What colour space does Adobe Lightroom use in the Develop Module?

What colour space does Lightroom use when you load an Adobe RGB or SRGB tiff/jpeg file into the Develop module? The reason I ask is because I was told that the develop module always uses the ProPhoto ...
33
votes
8answers
4k views

Do megapixels matter with modern sensor technology?

Are more megapixels good? Are more megapixels bad? Do more megapixels increase detail? Do they make my images sharper? On the other side, is there a point that is too much? Do megapixels cause ...
3
votes
1answer
367 views

How does the resize option 'bicubic auto' in CS6 incrementally upscale images?

It's been demonstrated that upscaling incrementally improves image quality, Empirical Study: Extreme digital upscaling, and that thread also shows that choosing 105% increments versus 110% increments ...
4
votes
5answers
788 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
0answers
40 views

Should I buy the Nikon 18mm-300mm / 18-200mm or 55mm-200mm / 55-300mm? [duplicate]

This question could be a duplicate but my point is completely different from it. I have just started to use a Nikon D3300 with the 18mm-55mm kit lens. Now, I want to upgrade to the 18mm-300mm but ...
0
votes
1answer
24 views

How to Choose Light mode while using Mobile Camera?

Which mode is best fit to take pictures at dusk using a mobile camera,will auto mode work fine or something else. For your information: I use a moto-e and Nexus 4 as my camera. and i use the default ...
3
votes
1answer
180 views

RGB colour correction of CCD camera images [closed]

I've developed an application which is able to communicate directly with a CCD camera (unbranded and obscure) and I'm able to capture and store the image from this camera. When the image is first ...
9
votes
2answers
2k 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 ...
0
votes
2answers
138 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 ...
5
votes
6answers
18k 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 ...
23
votes
2answers
2k views

What 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 ...
7
votes
2answers
789 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 ...
1
vote
5answers
154 views

“10 m resolution” - Expressed as screen resolution (or other way photography noob can understand)?

The X-Sat satellite captures images of Earth "with a 10 m resolution multispectral (three spectral bands in the visible and near infrared spectrum) instrument". What does this mean? Particularly, how ...
0
votes
1answer
130 views

What are the extra features offered by a higher end model camera body?

The role of a lens is pretty clear for a nice sharp image, but how much does the camera body matter? What are the extra features offered by a higher end model? How much difference do they make?
4
votes
5answers
1k views

Why does the quality of my pictures lower the more I zoom in?

I have a Canon 60D with the 18-200mm kit Lens. I was at the beach not too long ago, I took some pics of my son in the sand, from a very close distance and they came out great. Picture quality was top ...
1
vote
4answers
194 views

Low quality photos even at superfine mode

I just purchased a Canon Powershot SX240 HS. I took a few pictures indoors (with the lights on as it is dark outside) and I am unimpressed. Zooming in on this on my PC, I can see they're grainy and ...
1
vote
2answers
118 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: ...
3
votes
2answers
1k views

Does using an adapter on lenses affect the quality of the image?

The camera I am thinking buying doesn't have much selection of lenses. Only 7 or 6 lenses, but using an adapter on the camera can widen the lens selections. Does using non native lenses have any side ...
1
vote
2answers
464 views

You have two rooms to build your photography skills, measuring about 12 x 12 feet and 9 x 8.8 feet. What lens/lenses would you buy and why?

After days of indecision I've decided I'll be buying the Nikon D5100. Now my only issue is what lens/lenses to go for. I think it will be best to give you an idea of what types of photographs I intend ...
0
votes
3answers
285 views

Lack of sharpness / focus in low light

I recently was playing around with my camera (Canon 60D) in a low light situation trying to focus on some subjects across the room. I noticed once getting home and getting the images onto the computer ...
11
votes
2answers
1k views

Does a greater optical zoom range on a lens mean less image quality?

I have read that big optical zooms of let's say 10X do not produce excellent image quality. Is this true even nowadays, as there have been many technological improvements in this area? For example, ...
3
votes
2answers
521 views

Is there a set of common criteria for evaluation of photographs?

Is there any set of criteria for evaluating a single picture that is in common use? I have the following situation: I want to write down my criteria on how I rate my pictures. At the moment I give ...
0
votes
3answers
160 views

Can you take a picture of a faded docket and see the details again in computer?

Hi I have a very faded docket, where I can still read the details with bare eyes, but when I tried to photocopy and scan it, it just gave me a white docket. My last hope is using a camera. Please tell ...
9
votes
3answers
317 views

What are good test shots for finding out the capabilities of a camera?

I have a range of cameras from a (frankly awful) kiddie camera to a hybrid (Olympus Pen) and I want to take some pictures to test their (comparative) limitations. So I want to take the same photos ...
7
votes
6answers
304 views

If shooting in RAW and processing, why still care about WB?

WB is obviously important for JPGs and I'm not referring to JPGs here. I do know this question is related to two others. Sorry, I'm a newbie here and I don't know how to refer to them, but @Craig ...
16
votes
1answer
773 views

Will I lose image quality by adjusting white balance in post processing?

I understand that if I shoot in RAW, post processing software like Lightroom is capable of adjusting colour temperature and tint to my desire. Will I lose any image quality in process? Or is it as ...
8
votes
3answers
703 views

How relevant are the DxOMark scores and tests?

To me the DxOMark sensor rating seems a bit bizarre. They recently rated the sensor of Nikon D3300 to the same score as the Canon 1Dx got which I find unlikely to reflect their performances, and which ...
-1
votes
2answers
170 views

Color loss and clarity issues in Canon T2i

I have a cannon t2i. About two years old now. It used to take great Sharp detailed pictures in all modes and long and short lens. Now when shooting at long distance the image comes out blurry or nor ...
0
votes
2answers
74 views

5, 8, or 12MP setting best overall for Panasonic Lumix DMC-ZS15, JPEG, 5x7 prints [duplicate]

My Panasonic Lumix DMC-ZS15 P&S (about 2yrs. old, records in JPEG) takes fine pictures for my purposes (at most 5x7 prints). It has 12.1MP, 16x zoom, and a 1/2.3 MOS sensor. I always use the "high ...
0
votes
2answers
96 views

Does a smaller sensor limit your choice of subject matter?

Is there a major difference in terms of what you can photograph with different sizes of sensor? By having a smaller sensor, can you be limited in taking pictures of certain types of subject? If so, ...
0
votes
1answer
163 views

What's a good size/resolution for picture proofing?

What's a good size/resolution when showing pictures to client using a online tool for proofing ? I've noticed that 1350x900 and 72ppi is pretty good, considering image quality and size on disk. ...
1
vote
1answer
205 views

Images from digital camera can't be enlarged [duplicate]

I am unable to import images from my digital camera (Sony Cybershot 8.1 megapixel DSC-W130) as they appear in the camera display. When I connect the memory card using a card reader, the thumbnails ...
2
votes
3answers
2k views

Should I use “Super Fine” or “Fine Quality” setting on Samsung S1050 camera? [duplicate]

I have a Samsung S1050 camera. There are three quality settings - Super Fine, Fine and Normal, which I believe relates to the JPEG compression level. I have mainly used Fine in the past, but wonder ...
0
votes
1answer
200 views

Does pixel size make a difference in image quality? [duplicate]

I am thinking of purchasing the Nikon D3200 its a 24.2MP camera but the pixel size is 14.8 µm² compared to the D3100 which is 14MP and a pixel size of 25.1 µm². Is this something that i should worry ...
-1
votes
2answers
285 views

Why does my point-and-shoot take hazy photos?

My point-and-shoot (Canon SD 1100 IS, bought in 2008) has for the past couple of years (that I've noticed) been taking hazy photos, as if I'm shooting through fog. I cleaned the lens using an air ...
13
votes
5answers
3k views

What is the major factor that makes colors in photos very vivid?

Once you have a good enough camera, what are the other major factors that makes some of the photo very vivid? For example, looking at the following picture, the colors are vivid. If I take the same ...
8
votes
2answers
265 views

Why are the trees in this long exposure night shot red?

Last night I tried taking some shots of a cloud moving across a very bright moonlit sky: The exposure was taken using: Nikon D60 Stock 18-55mm VR zoom lense No filters Exposure time: 63 seconds ...
9
votes
2answers
3k views

Pentax K-5: Is it worth using the Premium JPEG quality setting?

Similar: How do I choose which resolution (megapixel) and compression (normal, fine, superfine) to shoot in? The Pentax K-5 has a JPEG quality setting called "Premium", denoted by four stars, which ...