Nidelva river through Trondheim Norway

Nidelva river through Trondheim Norway
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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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2answers
331 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 ...
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3answers
964 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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1answer
687 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, ...
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3answers
606 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 ...
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1answer
147 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
175 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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3answers
305 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
497 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, ...
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4answers
110 views

What type of photography lens minimizes background blur? [duplicate]

I'm in the market for a lens I can use for portrait photography as well as nature. I hate background blur. The portrait photography I do and get a great response from, are the ones where I frame the ...
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2answers
216 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 ...
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1answer
550 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 ...
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1answer
161 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
197 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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1answer
59 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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1answer
1k views

Does the Canon EF-S 24mm f/2.8 STM Lens offer any significant advantage over the Canon 18-55mm IS II at a 24mm focal length?

Does the Canon EF-S 24mm f/2.8 STM Lens offer any significant advantage over the Canon 18-55mm IS II at a 24mm focal length (the kit lens for my T3i)? I'm looking for a cheap lens that offers a wide ...
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0answers
31 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 ...
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0answers
95 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, ...
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0answers
153 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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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 ...
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2answers
91 views

Why I am getting different values for depth of field from calculators vs in-camera DoF preview?

When using depth of field and hyperfocal calculators, I get very different result versus the in-camera DoF preview of my Fujifilm X-M1. For example: With DOFMaster (or any other online calculator), ...
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4answers
241 views

How do you exercise depth of field in practice?

I'm really frustrated because many of my nicely framed photos are of poor technical quality, mainly because of the wrong depth of field or subject being out of focus. I always thought I know theory ...
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2answers
38k 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.
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2answers
98 views

Photography pros: can anyone help me find out which lens is on this camera?

http://i.imgur.com/fGLh4Pb.jpg And it takes photos like this? http://i.imgur.com/BK5vPRw.jpg I'm desperately trying to find which lens will allow me to take photos like this. I already have a canon ...
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3answers
569 views

How is depth-of-field affected on micro format cameras? [duplicate]

One of my favorite qualities of large apertures (besides the low light capability) is their characteristic shallow focus that can offer dramatic background blur. I've been considering how a micro ...
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2answers
141 views

Does F number stay the same between 35mm and Medium Format?

Rented a medium format camera to see "what is this medium format look" everyone talks about! and evaluate if it is awesome enough to start saving money for it or not. So my own camera is a Nikon ...
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5answers
216 views

How can I capture product photography with the entire product in focus? [duplicate]

I would like to shoot professionally but am having an issue with my Nikon D3300. I shoot product photography, mainly sunglasses. My questions is what function, mode, and option should I choose on ...
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2answers
171 views

Can I take photo with visible depth of field if shooting in a mirror?

There are question about "floating" objects. But how possible make photo with that depth of field in mirror? It is ordinary shot that reflected after, so?
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2answers
12k views

Why Small aperture (less light) has Large depth of field? [duplicate]

Possible Duplicate: Technically, why is the out of focus area blurred more when using a bigger aperture? I understand that a small aperture (large aperture number eg. F/22) means large ...
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2answers
107 views

How do I get both subject and background in focus at the same time with my (µ4/3) prime lens? [duplicate]

I'm using an Olympus EM-5 Mark II and my prime lens is the Panasonic 20mm f/1.7 (40mm film equiv. focal length). I don't know if I can set the camera's focus to infinity to avoid the blurring effect ...
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3answers
220 views

What exactly happens when one turns the focus ring on a DSLR while shooting video?

I'm about to buy my first DSLR and I'm trying to understand every single aspect of it. If I've got a prime lenses and I'm shooting a video with f/2.8 aperture, I'm going to have a fixed depth of ...
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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?
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3answers
74 views

Simple quick DoF estimate method for prime lens [duplicate]

All: I have a concrete example related question: My prime len is Nikon 35mm f/1.8G DX. If I only use this lens to shoot, I wonder if there is any simplified Depth of Field estimate method like by ...
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3answers
136 views

When you set a lower image size, are you using the whole sensor size or just a portion of it? Could it even affect depth of field?

I am trying to increase the depth of field on my shots. Since a smaller sensor size could get me a wider DoF, I wonder if reducing image size (keeping same aspect ratio) is equivalent to reducing ...
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2answers
117 views

How is depth of field usually measured and how can I get depth of field measurements for a lens

I really like a deeply washed out background as a backdrop. I expect using a 35mm film camera that f-stops is inversely related to depth of field. I assume this remains true for compound lenses. But ...
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2answers
115 views

How to set up an object for blur photography in domestic environment?

I am having a Nikon D5300 with 18-55 VR lens. As this tutorial shows, it shows how to shoot portraits with blurred background. But, the background is located far off from the subject. Can I somehow ...
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1answer
496 views

Depth of field: 28mm & crop vs 50mm & full frame [duplicate]

I've seen the posts about the angle of view being the same for a 28mm lens on a 1.6 crop sensor as for a 50mm lens on a full frame. I understand it. But what about the depth of field. Will that ...
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2answers
148 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 ...
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1answer
991 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 ...
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2answers
90 views

How does aperture affect focus area? [duplicate]

How does the aperture affect the focus area? Here are some examples: With an 35mm(50mm)/f1.8 prime lens What f-value will bring a group of people standing in five rows into focus? What f-value will ...
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1answer
188 views

How do I get a two person portrait with the background blurred using a DSLR and 50mm f/1.8 lens?

I am new here. I have a Nikon D5300 body and a Nikon 50mm f1.8 AF-D lens(not AF-S). I want to do this: Two persons sitting in front of a table facing the camera. I want the table and both persons in ...
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1answer
230 views

Night photo with Leica 25mm: blur at f/1.4 [duplicate]

I have an Olympus OMD EM5 and a Leica 25mm which takes wonderful pictures in daylight. I was trying to take night pictures with this setup and I had the following results (after several tries and ...
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1answer
581 views

How to know the F-Stop in a Webcam? [closed]

I'm looking for a Webcam with large aperture and shallow depth of field, similar to the F 1.8 Canon lenses, so far It has been really difficult since most of the specifications for any webcam are ...
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1answer
643 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?
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1answer
424 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 ...
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1answer
107 views

How to choose f-stop / depth of field? [duplicate]

I am fairly new to photography and I have read many "beginners guides" and watched youtube tutorials. One thing that remains elusive to me is how to properly pick what f-stop to use. I use a 35mm, ...
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0answers
54 views

What settings do I have to use to not blur out the background? [duplicate]

I have a Fujifilm X100T and whenever I take a picture with a person and focus on him/her, the background gets blurred; and when I focus on the background, the person gets blurred. I want to have the ...
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1answer
74 views

How do I set focus so I get a blurred background? [duplicate]

I am a newbie and I clicked this photo at around 8 PM: https://www.flickr.com/photos/137346749@N02/22513426779/in/datetaken/ I was around 1.5m away from the subject. I wanted to focus on the lady ...
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0answers
24 views

What does it mean to be out of focus [duplicate]

I have browsed dozens of photography and noticed that only a handful actually try to reconcile the photography world with the real world. My ultimate goal is to be able to easily explain to anyone, of ...
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0answers
26 views

Anyone using the HX400 v? [duplicate]

Can we shoot photos with a very shallow depth of field with this cam? ; with only the subject is in focus..?- within any focal length/zoom level? In some places it's said that this cam can't shoot ...
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0answers
17 views

Background blurring in non-dslr camera [duplicate]

I have a canon powershot sx510hs which is a non-dslr and advanced point and shoot camera with 30x optical zoom. I have seen dslr images, specially portraits, taken in manner that the main object stays ...