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Depth of Field is the depth of a scene that is "in focus" as perceived by the eye.

learn more… | top users | synonyms

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1answer
146 views

Preview the DOF result in a D5100 viewfinder?

I have been told that some cameras have the ability to show the exact Depth of Field in the viewfinder when pressing a button. I searched for that button on my Nikon D5100 without success. I could ...
4
votes
1answer
168 views

How do automatic cameras know the right depth of field?

When shooting in Shutter and Aperture priority, the camera just needs to meter the scene and come up with the corresponding f-stop or shutter speed, a very algothrimitic and simple process. However, ...
1
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2answers
180 views

How does aperture/DOF affect continuous autofocus?

When the autofocus system is deciding to adjust the focus, say in a situation of the subject getting closer to or farther from the lens, does it take into consideration the current depth of field, ...
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8answers
2k views

Is an aperture range of 3.5-5.6 shallow enough to provide great bokeh on a cropped sensor?

I have been primarily shooting with a Canon 18-135 f/3.5-5.6 for several years now, and I am not completely satisfied with it. The problems I have are: A bit too wide on the low end A bit too short ...
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1answer
130 views

How to make blurry background in photos? [duplicate]

I see many photos like this: How it is done?
0
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1answer
594 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 ...
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3answers
250 views

Can we always talk about noise difference between crop and full frame?

Let's say we have two systems: 1) full-frame camera, 80 mm lens at f/2.2 2) APS-C camera, 50 mm lens at f/1.4 The subject is the same, as well as the camera position, focus distance, shutter speed ...
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1answer
158 views

How does amount of blur compare between differently-sized sensors using lenses with equivalent focal length?

Let's say we compare two bundles: 1) cropped DSLR with crop factor 1.6 and 50 mm fix lens set on f/1.4 aperture 2) full-frame DSLR and 50 * 1.6 = 80 mm (which is not far from 85 mm) fix lens on ...
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2answers
98 views

What does depth of field mean? [duplicate]

What does the term depth of field mean? How is it determined and how can it be changed? Is it related to the aperture?
2
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2answers
4k views

What is the difference between depth of field and focal plane?

I would like to know how to address the difference between them and how relates to each other.
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0answers
92 views

Why is DOF shallower on Full Frame compared to APS-C [duplicate]

I've read the comparison between APS-C and Full Format at When do the differences between APS-C and full frame sensors matter, and why? The depth of field is controlled by the circle of confusion, ...
3
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1answer
193 views

When Peterson says 'fixed-lens digital cameras have greater DoF', is he assuming a smaller sensor? [duplicate]

I'm reading Understanding Exposure and ran across some discussion of apertures in fixed-lens digital cameras as compared to SLRs (page 54 in the 3rd edition). The author says that fixed-length digital ...
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2answers
181 views

How do I get the entire landscape in focus? [duplicate]

According to this calculator at 16mm, my hyperfocal distance is at 0.7m at f/11. So on the safe side, if I wanted to make sure the scenic background is tack sharp I would focus at 1m or so. But now ...
0
votes
1answer
469 views

What is the infinity lens by Jim Frazier? [duplicate]

I know who Jim Frazier is and what he has done, but I only have basic knowledge of his invention. Could someone please explain what he has done further?
4
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1answer
218 views

For digital sensors and in terms of imaging medium, is the minimum CoC equal to the size of 1 sensor pixel or 2? And why?

For digital sensors and in terms of imaging medium, is the minimum CoC equal to the size of 1 sensor pixel or 2? And why? For example purposes using a 35mm Full Frame digital sensor where the pixel ...
2
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1answer
462 views

Why do some people say to use 0.007 mm (approximate pixel size) for the CoC on a Canon 5DM2?

The 5DM2 pixel size is approximate 0.00645mm in size and so some people talk about using 0.007mm as the CoC. I think canon said once they use 0.035mm for DOF charts, full frame normal is 0.033mm, ...
3
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5answers
539 views

How do I get more in focus when aperture is already quite small?

When doing a product shot like this, how do I get more in focus when the aperture is already so small. I don't want to get any smaller for the risk of introducing significant diffraction. Note the ...
10
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3answers
568 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 ...
0
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2answers
20k 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
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4answers
428 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 ...
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2answers
81 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.
4
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5answers
1k 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 ...
4
votes
1answer
364 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
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1answer
386 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 ...
17
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3answers
773 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 ...
2
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3answers
302 views

Why does getting closer or zooming in decrease 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?
4
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1answer
3k 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, ...
4
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4answers
2k 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 ...
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2answers
134 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
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1answer
518 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
446 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
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3answers
141 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 ...
8
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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
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2answers
293 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 ...
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0answers
36 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
2k 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
1k 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 ...
4
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1answer
117 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
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4answers
867 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 ...
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1answer
891 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
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1answer
193 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 ...
2
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1answer
898 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
291 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 ...
12
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5answers
10k 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 ...
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0answers
150 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 ...
2
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3answers
190 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 ...
0
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1answer
2k 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?
2
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2answers
2k 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 ...
0
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1answer
927 views

What advantages does the Brenizer method have over Photoshop blur?

I have seen a lot of posts lately about the Brenizer method. It looks smashing, but at the same time, I am fairly certain I could recreate the look using blurred layers in Photoshop. Apart from ...
5
votes
3answers
1k 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 ...