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Questions tagged [blur]

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.

48 votes
20 answers
17k views

How can I maximize the "blurry background, sharp subject" (bokeh) effect?

I know that this effect occurs when there's a shallow depth of field. My question is, what are the various ways I can increase this effect in my photos when I'm taking them? Note that I'm not ...
Jaydles's user avatar
  • 2,052
37 votes
12 answers
17k views

How can I take shallow depth of field photos with a point-and-shoot camera?

I have a compact digital camera, and in macro mode I can manage to achieve a blurred background, if the background is far enough away. Can this be done when taking non-macro pictures, and if not, is ...
Bernhard Hofmann's user avatar
13 votes
3 answers
91k 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 appearance of depth that you can achieve. That is great in a lot of scenarios, but not in all. When ...
Bram Vanroy's user avatar
23 votes
3 answers
5k views

How can slightly blurred photos be improved in post processing?

I have heard quotes which say "If its not good, delete it." I go by that advice, but sometimes you capture some precious moment but you see that photo is slightly blurred because of camera shake. I ...
sat's user avatar
  • 1,727
14 votes
4 answers
126k 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
Luis Valencia's user avatar
17 votes
3 answers
6k views

What equipment and settings do I use for panning shots of moving objects?

How do you go about getting great panning shots of things like cars and bicycles so that the background is nice and blurred but the target is sharp as can be. I have tried on many occasion to do ...
Designer023's user avatar
  • 1,237
17 votes
5 answers
6k views

Where does the ¹/shutter speed = focal length rule for hand shake come from?

The generally accepted rule of thumb is that the shutter speed must be the same or larger than the inverse of the focal length. As is, it seems that it makes no sense as is: On a 24 Mpixels full-...
Arseni Mourzenko's user avatar
21 votes
7 answers
11k views

How does background blur (bokeh) relate to sensor size?

This is a somewhat theoretical question. Suppose I first take a photo of a subject using a full frame sensor DSLR, with a given lens (say 50mm prime lens at f/3.5). Now suppose I exchange the camera ...
Laurent's user avatar
  • 359
7 votes
5 answers
3k views

What are the benefits and costs of an image stabilized, slower lens vs a non-IS faster lens?

I am going thru a trade off decision between a 24-70 f2.8 lens and a 24-105 f4 IS lens from Canon. My dilemma is that the 24-105 focal length better matches my needs, but the f2.8 would occasionally ...
cmason's user avatar
  • 14.8k
3 votes
4 answers
3k views

How to focus on an area correctly, while still blurring everything else?

I made a picture (see below) of an almond cake with the following settings: 4/3 sensor 25mm focal length Aperture f1.4 Shutter speed 1/30 sec I chose an appropriate shutter speed with the biggest ...
Ely's user avatar
  • 469
7 votes
4 answers
1k views

How was this blurry background, sharp motorbike effect achieved?

In this photo nominated as Canon Australia Photo of the Week, the background seems to blur while the rider is sharp. Wouldn't this normally be the other way? How was this done?
ravi's user avatar
  • 173
28 votes
2 answers
25k views

What's the difference between Bokeh and Gaussian Blur?

I have heard multiple times in photography, the words Bokeh, and Gaussian Blur. To me, it seems that the words are used almost interchangeably, but in some instances, I have heard them contrasted. ...
J. Walker's user avatar
  • 1,201
24 votes
8 answers
14k views

Can software auto-detect image focus?

I was wondering if there was any photo management software out there that could auto detect and "rate" images on how in focus they are. This comes up for me quite commonly when i am looking through a ...
Andrey's user avatar
  • 417
2 votes
1 answer
5k views

How can I fix an out of focus photo? Is there an app for that? I don't have Photoshop [duplicate]

Someone else took this picture of me and didn't focus. :( How can I fix this? Is there an app for that? I don't have Photoshop.
Ravit's user avatar
  • 31
-2 votes
4 answers
4k 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 ...
Persian Cat's user avatar

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