Open

by damned truths

submit your photo


Hall of Fame
View past winners from this year

Please participate in Meta
and help us grow.

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

learn more… | top users | synonyms

11
votes
4answers
4k views

Can I get a shallow DOF using a kit lens? [duplicate]

Possible Duplicate: How can I get dramatic shallow DOF with a kit lens? Is it possible to generate shallow DOF with a "kit" lens, and how? In my case, I have the Nikon D7000 with the ...
-4
votes
2answers
85 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?
26
votes
6answers
11k views

Why does a bigger sensor lead to a shallower depth of field?

It has been mentioned at a few places that a larger sensor results in images with a shallower depth of field. Example image: APS-C Canon 30D left, FF Canon 5D right, same lens, same composition, ...
9
votes
4answers
1k 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 ...
23
votes
5answers
1k views

What are the best practices for DOF stacking?

What are the best practices for DOF stacking? How do you get the frames with focus just right amount apart? How do you stack them in post processing?
2
votes
2answers
2k 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.
3
votes
1answer
176 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 ...
1
vote
0answers
89 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, ...
1
vote
2answers
160 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
336 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?
34
votes
15answers
7k 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
votes
1answer
323 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, ...
4
votes
1answer
187 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 ...
3
votes
5answers
332 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 ...
3
votes
4answers
403 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
442 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 ...
17
votes
6answers
2k 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
11k 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
1k 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 ...
-4
votes
2answers
77 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
votes
5answers
796 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
312 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
345 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 ...
30
votes
1answer
4k 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: ...
17
votes
3answers
724 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 ...
18
votes
4answers
4k 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 ...
15
votes
6answers
5k 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 ...
4
votes
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 ...
4
votes
1answer
2k 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, ...
19
votes
3answers
1k 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 ...
11
votes
5answers
7k 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
125 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
371 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
372 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
138 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
264 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 ...
10
votes
4answers
501 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
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 ...
8
votes
3answers
2k 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
112 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
783 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
783 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
181 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 ...
1
vote
1answer
834 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
274 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
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 ...
10
votes
2answers
996 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
3k 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 ...