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.
178
questions
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 ...
- 2,052
44
votes
8
answers
9k
views
Can you tell from a blurry photo if focus was too close or too far?
If you focus on a focal plane that is sufficiently in front of your subject, or past it (relative to depth of field), the subject will appear blurry. Is there some way of telling purely from the ...
- 911
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 ...
- 493
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. ...
- 1,201
26
votes
3
answers
6k
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 ...
24
votes
3
answers
10k
views
Why would one shoot a fully blurred picture?
Focus and blur have a reason in a picture when they come together. Blur alone is just a loss of an important element in the photography art, unless it has a reason, like obscuring nudity or creating ...
- 241
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 ...
- 417
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 ...
- 1,727
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 ...
- 359
20
votes
3
answers
6k
views
Orange “aura” around people/objects in photo, usually present with older cameras? [duplicate]
I’m not sure if this is the right place to ask but I’ve been unable to figure out what exactly this is. It’s an effect, seemingly unintentional, that makes people and things have orange blurs around ...
- 203
19
votes
2
answers
6k
views
Why is image stabilisation making images unsharp?
During vacations and travel I tend to use my Nikon D90 and a 18-200 VR (image stabilisation) lens.
I was very annoyed (and had no explanation) when I found images to be unsharp, which had be made in ...
- 3,146
18
votes
5
answers
2k
views
Should I switch off image stabilization when photographing my 2 year old?
A large percentage of my photos of my 2 year old appear to be blurred. I know one of the problems is that she will not sit still for a second, but I am using a fast shutter speed. Could IS be ...
- 183
18
votes
2
answers
46k
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 ...
- 283
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-...
- 4,390
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 ...
- 1,237
Hot Network Questions
- Why does this 4-week Treasury bill that I bought have a 17-week term and a much earlier issue date?
- Solid border Yin-Yang
- Why do three sites (SJ, VY, Norrtåg) offer three different prices for the same train connection?
- Chemistry figure with TikZ
- Simulate Text Cursor
- Dividing shape into 2 congruent pieces
- What is a simpler method to find the analytical expression for the function f[x]?
- How can I make a box with rounded corners that have asymmetrical dimensions?
- Limited list of words for a text or glyph-based messaging system
- Tanya is based on Shelah?
- Are there any known precendents of philosophers using modal logic (or any other theory of math) to formalize works of other philosophers?
- How did the NES's RP2A03 noise generator generator produce 32k bit long sequences despite only being 15 bits wide?
- When labeling, "Wrap on character" drops the wrap character
- Correctly escaping <CR>: how can I map a command to send the literal string "<CR>" to a vim function?
- How do you cite an entire magazine/periodical?
- Can you use a theory or rule to prove that exact theory or rule is wrong?
- Substring of Fizzbuzz
- If prophecy ended, how come idol worship didn't?
- Natural person / is it idiomatic?
- I can't figure out what this jet is
- How/Why is 皆 (みんな) used as an adverb?
- Is there any point to the copyright notice in 0BSD?
- Would auto-update policies have contained the Crowdstrike outage?
- When should I give up searching for a tenure track faculty job?