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An important aspect of the photographic vocabulary, produced by focus selection, limitations of depth of field, optical qualities, subject motion, camera motion, or other technical problems.

learn more… | top users | synonyms

19
votes
3answers
5k views

Why isn't this portrait taken at f/29 sharp?

I am confused as to why this picture is not sharp. This is a portrait shot at F/29 ISO100 1/250 with a 17-85mm lens focused at 38mm. The subject distance was 1.2M. My DOF app tells me that my DOF ...
0
votes
1answer
67 views

Getting a sharp focus on a 50mm when the subject is at 5m - 10m [duplicate]

I'm a novice photographer with a 450D/XSi. I'm using a 50mm/1.8 prime lens to start out and I noticed that a lot of times my pictures end up not being sharp for stationary scenes. I was mostly using ...
0
votes
1answer
79 views

I want to know about the relationship between focal length and aperture [duplicate]

I have Nikon D7000 and I know the basic relation of shutter speed, aperture, and iso. All I want to know is focal length and aperture relation. As I zoom in the camera the f/stop increases (e.g. it ...
0
votes
1answer
175 views

I changed my Nikon DSLR settings and now images are blurry — what to do?

I am absolutely new in photography. I own a Nikon D3300. My camera was working fine until I did some manual tuning to aperture, shutter speed, and many other things. After those changes, my pictures ...
2
votes
3answers
132 views

Unable to get crisp lights on buildings during pictures of cityscapes at night

The shots above look blurry to me. I looked on flickr for similar shots of the same cityscapes(seattle) and those looked blurry to me too. For both shots I manually focused in live view and ...
2
votes
4answers
231 views

How to achieve this smudge effect in photoshop?

I came across this photo by Jacob Sutton and wanted to know if someone knew how to get this effect in photoshop?
1
vote
2answers
396 views

How do I blur the background around an object in post-production?

In Photoshop (current version is CC 2014 (2014.2.1 20141014.r.257 x64)) I did the following steps of interest: duplicate background w/subject masked apply a blur filter of some kind to the ...
0
votes
4answers
188 views

What is the photography term for blurred / dragged lights?

What is the photography term for blurred / dragged lights? Hare are two quick examples from my phone: Would this be considered bokeh, or does a term even exist for this?
0
votes
1answer
60 views

How do I generate a mask of the skin tones in an image?

I'm using a sequence of operations to smooth the skin of the body. What I'm doing is this: high-pass surface blur invert blend mode: linear light At this point, what I usually do is to create ...
0
votes
1answer
122 views

How would I blur something out of a photo? [closed]

If you take a picture of - for example - a car and you get the license plate number in it; how do you blur out the numbers? (I would also like to know how to do this with a video if possible).
4
votes
2answers
779 views

Why do I get blurry pictures at far distances, but sharp results up close?

I took this picture: https://www.flickr.com/photos/91552641@N06/15828810701/ and if you look at the details (like the trees on the right side) they are all kinds of muddy. I had the same experience ...
0
votes
3answers
515 views

Why are my photos taken with the Sigma 18-50mm f/2.8 coming out blurred?

I'm new to photography, and I don't know why the pictures I'm taking are coming out blurred. Here's a sample image, taken with the Sigma 18-50mm f/2.8 on my Nikon D5200 at 18mm, 1/60s, f/2.8 and ISO ...
0
votes
1answer
66 views

Is there an “optimal” background distance when striving for a minimally distracting background?

Let's assume a thin lens and an object O in focus at a distance of dO from the lens. Further, let's assume there's a large out-of-focus background object B at a distance of dB. Now, we know ...
1
vote
1answer
776 views

Nikon D3000 Blurry Pictures. Focus Issue?

Here are two examples: Both pictures are in NEF format here. The pictures have not been modified in any way except except for being resized and converted to PNG. Just for kicks (and to prove I'm ...
3
votes
1answer
269 views

Human perception in color mixing

Look at this image: 50% of its pixels are blue (0, 0, 255), 50% of its pixels are yellow (255, 255, 0). When I look at my computer display from a distance where I cannot distinguish the ...
0
votes
2answers
294 views

Why is only right half of this photo blurred?

I took this from a moving bike. To my surprise, only right part of the image (letters) is blurred. I couldn't explain why. If you need, here's a bigger image with all the metadata.
6
votes
4answers
2k views

Why is my lens only somewhat sharp near the center and very blurry on the edges?

I bought a canon 50-250mm IS lens (for my T1i), maybe two years ago and haven't used it much, but whenever I do, I always regret using it. Pictures are blurry, the depth of field too shallow and so ...
0
votes
1answer
177 views

Night photo with Leica 25mm: blur at f/1.4 [duplicate]

I have an Olympus OMD EM5 and a Leica 25mm which takes wonderful pictures in daylight. I was trying to take night pictures with this setup and I had the following results (after several tries and ...
-1
votes
2answers
122 views

How can I best add depth sharpness with Adobe Photoshop?

I've made a nice picture with my smartphone, but I would like to have a more focused picture (sharp focus and blurred background). How can I do this in Photoshop to obtain the best result? Things I ...
7
votes
7answers
1k views

Does a larger sensor resolution increase the difficulty of shooting hand-held?

I'm thinking of upgrading to a D800 and I think I read something about the 36MP resolution of the sensor to be a liability when hand-holding the camera at lower shutter speeds. Unfortunately I cannot ...
2
votes
1answer
740 views

Why is my Rebel XTi taking blurry photos?

I noticed how my Canon Rebel XTi started to take blurry photos. My pictures aren't as sharp as before. I am using the same settings as I did when it took perfect pictures. What could be wrong with the ...
1
vote
3answers
194 views

Is it normal to have to take multiple photos to end with up one good one?

When I was using a point-and-shoot, I often ended up with blurry photos, so I got into the habit of taking two or three photos so that at least one will come out good. A few months back, I upgraded ...
3
votes
1answer
356 views

Was the background blur in this image done with a Petzval lens?

I am interested to know how the background blur in this image was done. Is it a petzval lens?
0
votes
2answers
360 views

sharpen blurred photo

I have a large number of photos that have been taken, which are blurred, some out of focus and some from camera shake. I need to sharpen these photos but photoshops (cs5) tools just aren't good ...
-2
votes
3answers
493 views

How to fix blurry pictures taken with sony digital camera [duplicate]

I have some pictures taken with my sony digital camera.They are blurry,Is there any way to fix that?
1
vote
2answers
105 views

In an out-of-focus photo, why do lights look different than normal/dark areas?

In an image that is out-of-focus on purpose, e.g. on a night photo of a street, why do the spotlights look so much different than the usual focus blur? Such spots tend to have sharper edges/shapes ...
2
votes
1answer
2k views

Blurred images with Canon 1100D

I have a Canon 1100D which I bought last year. The Image quality used to be good. Recently I have noticed that the images are fairly blurred. Even if I use short shutter, stable base for the camera ...
0
votes
1answer
623 views

How to take picture with blur background using FujiFilm HS10 [duplicate]

I tried a lot to take portrait pictures with blur background using my FujiFilm HS10 but haven't succeeded yet. I use f2.8 but still cannot get the effect. Can any of the experts give me any ...
1
vote
2answers
2k views

DPP output is not sharp

I am using DPP (Digital Photo Professional by Canon) for post processing. Not sure what is wrong with it, but every time I produce an image (.JPEG) out of raw (.CR2) file, it turns blurry. I tried all ...
2
votes
1answer
88 views

Are there any good “dispersion blur” image filters?

I would like to obtain an effect where pixels get spreaded locally. I tried to reproduce how such a filter would look, I hope you get the idea: before: after: Note: here I ran a blur, aded ...
4
votes
3answers
206 views

How can I defocus part of an image in-camera separate from depth of field effects?

What physical tools (lenses/filters/etc) can be used to blur a part of an image whilst taking the photo. (I don't mean software filters in post-processing, and I want to blur selective areas ...
1
vote
1answer
346 views

How do I remove the blur in my jewelry picture?

I took this pic with my Canon EOS 550D, using a tripod and artificial lighting. I don't understand why the image is blurred when viewed at 100%. There was no digital zoom. What should I do to get a ...
12
votes
2answers
5k views

How can I undo an intentional Gaussian blur when I don't have the originals?

I have a bunch of old pictures which I had performed a Gaussian blur on to use in a competition years ago and have now realised I do not own the originals anymore. Does anyone know of a tool out there ...
-2
votes
4answers
829 views

What causes blurred/non-sharp images taken of stable objects?

I know about two important reasons which are motioning or shaking camera/hands and dust and dirt on you lens but if you have fixed them and still you have blurred/non-sharp results, what can be the ...
-2
votes
1answer
79 views

Moving subject picture [duplicate]

Can anyone please explain me how to achieve this kind of pictures? link
-1
votes
2answers
91 views

how to make this but for pictures instead of videos? [duplicate]

I found this nice video about showing subjects focused and the background blurred or viceversa http://www.youtube.com/watch?v=h7wa-pd6PJU However, its for video only, the question is how to make it ...
2
votes
4answers
7k views

Blurry pictures when zooming in

I have a 3 month old Nikon D5100. The closer I zoom in, the blurrier the picture. This is on auto. I have two lenses and they are both doing this. Any ideas why?
3
votes
4answers
51k views

How can I fix an out-of-focus blurred photo in Photoshop?

How can I fix this picture? Somebody else took this picture and well he wasn't able to do it very well, and it's blurred. I have photoshop
4
votes
2answers
600 views

Why does text in a photograph become blurry when I downscale the image?

Recently I created a website where I sell books. I captured some images with a Canon EOS 550, and then I resized them according to the website space, but when I resized the original picture, then the ...
3
votes
4answers
778 views

Why is this aerial picture of an airplane in flight not blurry?

So this might be more a physics question but I was wondering why the plane isn't blurry in this satellite photo? I am assuming the its traveling quite fast! ...
2
votes
4answers
377 views

Can average and gaussian blur be caused by optics?

I am studying Gaussian blur and average blur. I have been told that this blur can be caused by some camera effects. For example Gaussian Blur can be caused by camera jitters (fast micro vibrations) ...
1
vote
2answers
4k views

Why are images with my Nikon D7000 and 70-200mm lens soft?

I'm having trouble getting sharp pictures with my D7000. I've tried it with a 70-200 and 18-70 and produce the same results. I've tried AF Fine Tune with one of those focus charts, but the value of 0 ...
3
votes
5answers
12k views

Is it possible to re-focus (recover) an intentionally blurred image?

I have an image which I have modified through Picasa ( using Soft Focus - essentially I am making the faces blurred ). Question is : If I upload that photo to Facebook, and a user downloads it from ...
8
votes
2answers
998 views

How can I “focus peak” a photograph?

Does an application exist where I can input an image and then the application indicates what parts of the image are in focus? I imagine it as a sort of post-process focus peaking.
10
votes
2answers
1k views

How to stop a high F number from appearing blurry?

I have been out taking some evening photos (just after sunset) and I have noticed that in a number of instances the higher f numbers ( 14+ ) are appearing more blurred than the lower f numbers ( < ...
2
votes
1answer
308 views

Is there any tool to easily blur a picture?

Hey I'm new on that part of the stackexchange and I'm wondering if you guys know a tool to generate a blurry version of a picture, an online tool would be perfect. I don't know anything about design ...
8
votes
2answers
9k views

How can I take a photo with everything in focus with my DSLR?

I am quite new to DSLRs and one of the first things I noticed was the incredible focus points and depth that you can achieve. That is great in a lot of scenarios, but not in all. When filming a ...
1
vote
2answers
1k views

How to get blurry backlights but sharp focused front face [duplicate]

Possible Duplicate: How can I maximise that “blurry background, sharp subject” (bokeh) effect? How can I take shallow depth of field photos with a point-and-shoot camera? I have simple ...
0
votes
1answer
758 views

How to record videos with blurred background with Nikon D5100 [closed]

Has anyone tried to shoot videos with blurred backgrounds using the Nikon D5100. I am trying to shoot cooking video, but with the a blurred background. I have 18-55mm f/3.5-5.6 AF-S DX VR Nikkor Zoom ...
7
votes
3answers
7k views

Why does my Canon 7D get blurry pictures with a 70-200mm f/2.8 IS (series 1)?

I'm wondering if it's normal for a Canon 7D with its crop sensor to get unsharp pictures with a 70-200mm 2.8? I just bought a used 70-200 and it seems a little bit blurry. Maybe it needs calibration? ...