Depth of Field is the depth of a scene that is "in focus" as perceived by the eye.
3
votes
4answers
280 views
How is it possible to have shallow depth of field with a small aperture? (The tele-macro paradox.)
Some longer tele lenses have a macro mode that allows for really shallow depth of field that have a lot of background melting when using relatively narrow apertures; like f/4.5-6. I have tried and ...
10
votes
3answers
263 views
ND filter vs stopping down for long exposures?
To achieve long exposures in daylight, one might need to stop down, or use an ND filter. By stopping down, the depth of field increases, but at some point the image quality/sharpness will suffer, due ...
13
votes
6answers
1k views
Can a smaller sensor's “crop factor” be used to calculate the exact increase in depth of field?
If APS-C and similar crop-sensor digital cameras have a focal length multiplying effect such that a 50mm lens has an apparent focal length closer to the field of view of an 80mm on a full frame ...
0
votes
2answers
229 views
How to focus on object and blur the background? [duplicate]
How can I take the photo with the focus on the main object and blurred background using the Nikon D5100? What kind of mode and settings I should use? Thanks.
3
votes
6answers
977 views
What Budget DSLR has bracketing modes?
I need recommendations on entry level budget DSLRs with plenty of bracketing modes (exposure, F-stops, etc for HDR and DOF shots). I am in Germany and am willing to spend upto €600. The brand doesn't ...
6
votes
2answers
547 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 ...
-4
votes
2answers
55 views
Depth of field clarification [duplicate]
What is the range of depth of field when using the hyperfocal distance?
I am looking to get clarification on this topic.
8
votes
4answers
789 views
What is Depth Of Field bracketing?
I understand the concept of (auto-)bracketing, in general. And I understand that exposure bracketing is used for HDR and focus bracketing is used for focus stacking. But I am unable to imagine what ...
4
votes
5answers
201 views
How do I find the right motion blur/depth of field trade off in sports photography?
I could be wrong but when doing sports photography I'm always thinking about the following trade off:
A fast shutter speed to freeze the action.
A small(er) aperture to increase DOF and thus ...
3
votes
1answer
154 views
How does Depth of Field change when changing distance to account for cropped sensor?
I know that if I take my full frame lens (for example 50mm/1.4) and put it on an APS-C sensor, the field of view (FOV) changes. So what I will do is move back to retain the same subject magnification. ...
0
votes
1answer
110 views
How to shoot with the Brenizer method with an active, moving background, i.e. on the streets
If the background is moving, like a street full of people and you're shooting a stationary subject with the Brenizer method, how does that work? When you stitch up the surrounding area wouldn't it be ...
28
votes
1answer
3k views
What is “bokeh panorama” (also called the “Brenizer method”)?
Somewhere I don't remember, I heard about the Brenizer method.
After reading a few sites, there is no consistent information about what it is exactly, or what the procedures are to apply it, so:
...
16
votes
3answers
531 views
Why is my far away background in focus even with a low aperture number?
I took a picture of my son in an elementary school cafeteria. The room was very well lit and the parameters of the shot were Canon T3, 18mm, F/3.5, 1/125, ISO 100. I was close to him and his head ...
7
votes
6answers
2k views
Technically, why is the out of focus area blurred more when using a bigger aperture?
I'm wondering, technically, why and how does the out of focus areas blur more when using a bigger aperture. I think it'd help a lot if I presented a problem that's been driving me nuts for a long ...
17
votes
4answers
2k views
How does a teleconverter affect depth of field?
I'm aware that a teleconverter will reduce the amount of light reaching the film or sensor in a camera, and as such you hear people banding around things like "With a 2x teleconverter this 300mm f/2.8 ...
14
votes
6answers
4k 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 ...
1
vote
3answers
119 views
Reproduction ratio / depth of field
I know that aperture changes the depth of field (DOF), but why is it that by making the image appear larger (by getting closer to the camera or zooming in) there is less DOF?
29
votes
15answers
4k views
How can I maximise that “blurry background, sharp subject” (bokeh) effect?
I know that it occurs when there's a shallow depth of field, but what are the various ways I can increase this effect in my photos when I'm taking them?
Note that I'm not asking how to use an ...
3
votes
4answers
300 views
Why aren't photos from my Tokina 11-16mm f/2.8 as sharp as I expect?
I did a shoot with the Tokina 11-16mm f/2.8 on my Nikon D5000. Most of the pictures came out good but a lot of them weren't as sharp as I would like. I used that lens because it was a shoot in a ...
3
votes
1answer
177 views
How do you determine the acceptable Circle of Confusion for a particular photo?
I've noticed that several online and/or downloadable Depth of Field Calculators use different values for the acceptable CoC (Circle of Confusion) for some of the same camera models/sensor sizes. This, ...
17
votes
3answers
925 views
Do smaller apertures provide more depth of field past the diffraction limit, even if peak sharpness suffers?
In Understanding Exposure (3rd edition, on page 48), Bryan Peterson has what might be called a rant against modern on-line conventional wisdom about diffraction limits. Answers on this web site are ...
9
votes
5answers
1k views
Is there a formula to calculate DOF?
I am pretty clear about that DOF depends on:
Focal length
Aperture
Distance from subject
Sensor size
and more (as pointed in the comment).
But what is the question here is: Is there any formula ...
0
votes
2answers
94 views
How do I limit depth of field with a kit lens? [duplicate]
Possible Duplicate:
How can I get dramatic shallow DOF with a kit lens?
I am trying to create the kind of photos seen photographyblogger with a kit lens on the Nikon d3000 and I currently ...
1
vote
1answer
153 views
How does the depth of field with 50mm f/1.4 compare to 85mm f/1.8 with the same framing? [duplicate]
Possible Duplicate:
Is there a formula to calculate DOF?
Is there an easy way to establish, on paper, which of these two lenses, shot wide open and with the same subject size in frame, ...
2
votes
2answers
164 views
Why is depth of field minimised at the max focal length of a zoom lens?
I am using Nikon D7000 with 18-105. I have read people saying to get images with the minimum depth of field, the lens should be at its maximumum focal length, in this case at 105mm. However at 105mm ...
3
votes
3answers
106 views
What impact do long macro lenses have on DOF?
When using any 1:1 macro lens, my understanding is that the framing or field of view remains the same at 1:1 magnification and all that changes with the focal length is the distance at which the you ...
1
vote
2answers
156 views
Will an add-on mini macro lens for my mobile phone help get a blurry-background effect?
I am new to photography. I am really interested in taking close up photos (macro photography) of objects with a blurry background. But my mobile phone (a Sony Xperia Ion ) does not have the facility ...
30
votes
12answers
3k 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 ...
29
votes
10answers
8k views
How can I get dramatic shallow DOF with a kit lens?
I'm currently using an entry-level DSLR with 18-55mm lens and having great trouble trying to creating a blurred background effect in my photos. Now matter what aperture or shutter speed I choose, I'm ...
10
votes
4answers
433 views
Focusing on moving target with large aperature?
I have read about difficulties getting focusing right when using a large aperature (because of depth-of-field issues).
If I am using a fast prime wide open (say F1.4 or F1.8) to shoot a target in ...
0
votes
0answers
32 views
Solid explanation behind the physics of the relation between aperture size and depth of field [duplicate]
Possible Duplicate:
Technically, why is the out of focus area blurred more when using a bigger aperture?
Many of us know that there is a relationship between the aperture size (f-stop) and ...
4
votes
4answers
659 views
How to get shallow depth of field with canon 550d and kit lens 18-55mm [duplicate]
Possible Duplicate:
How can I get dramatic shallow DOF with a kit lens?
I've just got a new canon 550d with kit lens. Until now I've had a point and shoot camera , and I don't have any ...
6
votes
4answers
462 views
Should the depth of field in the viewfinder be the same as the final images with the aperture set to wide open?
When I take pictures of flowers, I often try to get the classic soft background around the in focus flower.
I have a canon t3i, and a lens that goes to f/2.8. I set that to wide open, take my ...
8
votes
3answers
835 views
Scanners with large depth-of-field?
How can I find a modern flatbed scanner with a reasonably large depth of field? Here "reasonably large" would be something like at least 2mm of DoF above the scanner glass.
Typically DoF is not ...
4
votes
1answer
96 views
Are there problems using the depth of field test button in portrait mode with a grip on the Canon EOS 60D?
I'd like to buy a Canon EOS 60D, but I have a problem with the position of the depth of field test button.
When using the camera in portrait mode, with the battery grip on, I'd like to know if you ...
6
votes
4answers
514 views
Analysis of a macro shot with very fast shutter speed
Recently I came across a macro photo here, with this properties:
Focal Length: 105mm
Shutter Speed: 1/3200 sec
Aperture: f/4
ISO/Film: 200
So I am looking for possible reasons as to why ...
1
vote
1answer
419 views
Why does my DSLR's viewfinder ignore the aperture ring on a legacy lens?
I have a Nikon D3100, and I am borrowing an old Nikkor 50mm SLR lens (http://www.destoutz.ch/lens_50mm_f1.8_1828564.html). I've had a lot of trouble with that lens, in that pictures that appear ...
2
votes
1answer
99 views
How do aperture and the tilt portion of a tilt shift lens relate?
I have found that you can use the tilt feature of a tilt shift lens to do some pretty neat things with depth of field. I can throw it 8° to the right and everything on the left side of the image drops ...
29
votes
7answers
829 views
What is “Hyperfocal Distance”?
I'd like a clear & easy-to-understand (especially for non-physics-types) explanation of what Hyperfocal Distance is, how it affects photographs, and what determines its value.
9
votes
1answer
2k views
What is the difference between depth of field and depth of focus?
Reading this answer I realized that I didn't know the difference between the two depths (of field and focus). Browsing related questions didn't reduce the blur (!) between the two...
Wikipedia ...
1
vote
1answer
497 views
how does full frame cameras give better bokeh than crop sensor? [duplicate]
Possible Duplicate:
When do the differences between APS-C and full frame sensors matter, and why?
Why does a bigger sensor lead to a shallower depth of field?
When I compare my camera ...
5
votes
1answer
236 views
Why would a photographer do focus stacking?
Recently, I come across the term called Focus Stacking where you combine different pictures with different focus points.
My question is, why do the focus stacking? Are there any benefits from the ...
1
vote
0answers
148 views
DOF with a telephoto lens [duplicate]
Possible Duplicates:
What does it really mean that telephoto lenses “flatten” scenes?
Why is depth of field affected by focal length?
Quick Question. When using telephoto ...
10
votes
2answers
658 views
How can I determine if my Sigma 10-20mm lens copy is appropriately sharp and focusing right?
I just purchased a Sigma 10-20mm lens (Canon mount) and based on the reviews I was aware that many people receive copies of the lens that are soft or don't focus properly. I purchased from B&H, so ...
4
votes
2answers
1k views
Why doesn't the background become blurred when I change the aperture on my Fujifilm S4000?
I am sorry if my question is too naive, but I am a complete beginner in photography, and I think I still need to understand well what aperture is. I have a Fujifilm S4000 camera, and I know I can't do ...
5
votes
5answers
2k views
What aperture should I use to photograph people and why?
What f/# do you use to photograph people, and why? I know this varies from shot to shot.
Let's suppose that you are photographing either a single person or a couple, that it it outside on a somewhat ...
2
votes
3answers
173 views
DOF and picture quality
Is it possible to say that picture quality is better with small f number but on very small DOF, so this perfect quality degrades very quickly?
So basically is there any reason to shoot with big ...
5
votes
3answers
796 views
How does using a lens with some focal length on a full frame camera differ from using a lens with “equivalent” focal lens on a crop camera?
As an example, a 35mm lens on a crop body (such as Nikon DX) is said to be "equivalent" to a 50mm lens on a full frame body. Equivalent here means that they will have the same field of view, but what ...
0
votes
1answer
445 views
What impact on image resolution does the aperture have?
What is the effects on depth of field, signal to noise ratio and image resolution when reducing the aperture?
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vote
2answers
763 views
How to measure distance to subject in Depth of Field calculator?
I used Depth of field calculator here.
I should specify subject distance.
How to measure distance to subject?
In theory this is a distance to front principal plane or point.
What is in practice?
I ...
