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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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4answers
388 views

What kind of lens is typically used for these type of night street shots?

I've been trying to duplicate the depth of field like in these photos on snowy nights and I'm not getting comparable results. I'm using a 35mm prime lens at f/1.8 on a D3100. So my question is: Are ...
2
votes
1answer
1k views

Can you shoot with a 55mm lens so that you have both person and background clear?

Is it possible to shoot with a 55mm lens so that you have both the close objects and the background objects (like buildings situated half a mile away) clear?
2
votes
4answers
505 views

Have a Nikon 18-200 VR lens ..want to buy a new lens for super DoF

I have a AF-S DX NIKKOR 18-200mm f/3.5-5.6G ED VR II and am planning to buy this AF NIKKOR 50mm f/1.8D does that make any sense? I'm interested in taking pictures that has lot of DoF. Something ...
2
votes
2answers
188 views

What determines the sharp parts in an image: the DoF or the focus point?

I am a little bit confused between depth of field (DoF) and focus points. Which of them is responsible for making part of the image sharp?
2
votes
2answers
470 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 ...
2
votes
1answer
200 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
votes
1answer
919 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 ...
2
votes
2answers
1k views

Why are my pictures blurry/soft?

Ok so I shoot basically one thing....real estate. I am in the market for a new camera so I borrowed a friends canon 50d. I have been using a Rebel xti and been getting good results but I want to ...
2
votes
3answers
550 views

Lack of sharpness: is it me, or my zoom lens?

I am specifically talking about Nikon 24-70mm f 2.8 lens Here is the picture I took with that: And here is another one I took with my prime lens Nikon 85mm f 1.8 I think this one is sharper and ...
2
votes
2answers
3k views

Focusing on hyperfocal distance with Nikkor 35mm f/1.8G prime lens [duplicate]

I have a Nikkor 35mm f/1.8G lens on a Nikon D7000 body. I have a theoretical understanding of hyperfocal distance. And it seems like the lenses with an clear indication of "infinite" focus point are ...
2
votes
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 ...
2
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2answers
3k views

Why does depth of field occur?

I wonder why depth of field occur in the first place. This is not a question about what changes the effect/size of field. We all know that. Aperture, Focal Length, Focus Length (distance to subject), ...
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.
2
votes
1answer
515 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, ...
2
votes
3answers
349 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?
2
votes
1answer
237 views

How to get tack sharp portraits with shallow DOF when lacking an AF point where I want to focus?

What is the best way to get tack sharp portraits with shallow depth of field when lacking an auto focus point where I want to focus. I don't want to crop and "focus and recompose" is not an option ...
2
votes
2answers
80 views

How can I use control over the aperture to take better photos?

I upgraded from a point-and-shoot to a Sony NEX a few months back. I think I've made substantial progress with regards to many aspects of photography like composition, the rule of thirds, ISO, ...
2
votes
3answers
181 views

What is the best lens for shooting flat surfaces?

For a long time, I was making closeup photographs of flat surfaces using my cropped DLSR and Canon EF 50/1.4 lens. The scene was illuminated by an external flash. The focusing distance was the closest ...
2
votes
2answers
124 views

Invariants in subject size and depth of field? [duplicate]

I was curious if I could cheat my way around having to focus stack an object by using different lenses. Playing with the Depth of Field calculator I noticed something interesting: No matter what ...
1
vote
2answers
279 views

Why can't my newer cameras focus on my hands and something behind them at the same time? [duplicate]

I've got this thing where I go around the world and hold their famous monuments with my hand through perspective photography. For example, holding the learning tower of Pisa. The pictures I've taken a ...
1
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3answers
200 views

Why should I use the widest aperture for star photography?

Well, this question may sound dumb to some folks but I am really confused here. I was reading this article about Photographing Stars Using a Kit Lens where author talks about keeping widest aperture ...
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3answers
209 views

Why did manufactures stop including DOF scales on lenses?

Seriously why? I hate it and I hate memorizing it or check my phone app for the depth of field of the current aperture. I find it so useful in old lenses. The DOP preview doesn't help that much (IMO) ...
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3answers
870 views

Why are big apertures used for landscape photography?

If it is true that a large aperture means shallow depth of field..a.k.a near objects in focus and background or far objects in blur, then how come big aperture is recommended for landscape ...
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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 ...
1
vote
2answers
300 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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5answers
3k views

How to choose a lens to get a shallow DOF effect? [duplicate]

Possible Duplicates: Can I get a shallow DOF using a kit lens? Help with getting bokeh effect. I'm an amateur photographer, just getting into photography. I read some things about lens ...
1
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2answers
309 views

How do I achieve this minature/tilt-shift effect?

I really like this photo and was wondering how I can achieve something similar? http://www.flickr.com/photos/lucasasteratakis/6044310648/in/photostream I had a look at some tutorials to do with ...
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vote
3answers
349 views

Wide angle with low F stop number (eg.F2.8) in relate to depth of field

What is the purpose of having a wide angle lens like the Nikon AF-S 14-24mm f/2.8G ED with a low f/stop? For example I am shooting a landscape mountain scenery shots or group photos, why would I use ...
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2answers
194 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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1answer
943 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 ...
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4answers
2k views

How to estimate depth of field? [duplicate]

Possible Duplicate: Is there a 'rule of thumb' that I can use to estimate depth of field while shooting? How do you estimate the aperture needed to produce sufficient depth of field ...
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2answers
120 views

Large DOF in low light for portrait in front of a landscape?

I am using a Nikon D610 and mostly I can get nice landscape shots with long exposure (with f/8-f/11) range using a 35mm f/1.4 lens. However now my issue is, I want to take pictures of a person in ...
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2answers
184 views

Comparison of DOF between a 30mm f/1.4 and a 35mm f/2 lens

I would like to buy a wide-aperture lens for an APS-C DSLR (Canon EOS 500D, crop factor 1.6x) with equivalent standard focal length. However, I was unable to decide between Sigma 30mm f/1.4 and Canon ...
1
vote
1answer
552 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, ...
1
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3answers
277 views

How to achieve sharp focus on two subjects in a portrait with low depth of field? [duplicate]

I prefer to have a very narrow depth of field. Whenever I am focusing for portraits of too people standing near to each other, the focus-point-selected person is sharp, while the person standing next ...
1
vote
3answers
779 views

How does sensor size impact depth of field and diffraction for macro photography?

Macro photographers often stop down to very small apertures to maximize the razor thin depth of field when operating at such close focus distances. Smaller sensors have greater depth of field than ...
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vote
1answer
142 views

What is the importance of Depth of Field preview? [duplicate]

Recently while browsing for a camera, I noticed that some cameras have this "DoF Preview" and some have none. Now, can someone explain to me here the importance of this feature in a DSLR?
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1answer
151 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 ...
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vote
3answers
257 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 ...
1
vote
1answer
471 views

Do crop sensors increase the depth of field when using full frame lenses?

I'm trying to achieve maximum depth of field without sacrificing light. I have a micro-4/3rds camera and i want to attach a full frame lens to it for the large and constant aperture. My question is, ...
1
vote
2answers
207 views

Big sensor and landscape photography, DoF

I've been an owner of point & shot cameras for some years. Now, I'm considering to move to bigger sensor cameras (4/3, asp-c) because I really hate the noise that small sensors produce on low ...
1
vote
1answer
361 views

How to calculate depth of field by using extension tubes

I am using Nikkor 105mm f/2.8G and its close focus is: 1 foot (0.314m, 31.4 cm). And depth of field for this distance is about 0.5cm (I have an application on my Android phone). How will change depth ...
1
vote
1answer
159 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
183 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 ...
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vote
1answer
44 views

Mathematical relation between aperture and DOF [duplicate]

I know that aperture and DOF are inversely proportional. But, can anybody explain to me the Physics/Optics behind that? What's the mathematical relation that relates aperture with DOF?
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0answers
30 views

For the same attainable sensitivity, how does DOF depend on sensor size? [duplicate]

It's well known that all other settings being the same, larger sensor translates into a shallower DOF. However, for the same number of pixels, doubling linear size of the sensor size would quadruple ...
1
vote
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, ...
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 ...
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vote
0answers
461 views

How to blur the background using a super-zoom camera? [duplicate]

Possible Duplicate: Is it possible to take shallow depth of field photos with point-and-shoot cameras? When I shoot portraits with my brother's Nikon D90, this is quite easy to fade out the ...
0
votes
2answers
23k 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.