Questions tagged [depth-of-field]
Depth of Field is the depth of a scene that is "in focus" as perceived by the eye.
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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 photos,...
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What are "Depth of field and focus scales"?
I'm reading Kurt Munger's review of SAL75300 (Sony's 75-300mm F/4.5-5.6 lens) and I noticed the entry "Depth of field and focus scales? Nothing" in his summary table. Now, I know what depth of field ...
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Is depth of field and bokeh influenced by distance to the subject?
I know that the aperture size has a direct effect on the depth of field.
However, what about distance to the subject? Let's say I took two pictures, one at 24mm and one at 70mm, using the same lens ...
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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 ...
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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 ...
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Why do some DSLRs take good bokeh and others do not?
what is the mechanical explanations as to why some cameras can take good bokeh and not others. do lenses have a role too?
psiko
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Why is the area in focus in front of the focus distance narrower than behind it?
I guess the title and the picture explain my question well.
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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 ...
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How to extract depth information from JPEG files?
Some mobile phones support changing the depth of field using depth information calculated from dual cameras. If the depth information is stored in the jpg file, how can it be extracted?
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Why should I use the widest aperture for star photography?
In the article, Photographing Stars Using a Kit Lens, the author talks about keeping the widest aperture, e.g. ƒ/3.5. But it's my understanding that a wide aperture means a smaller area will be in ...
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How can I get the most possible depth of field out of close-up/macro shots?
I own a Nikon D40X and just the kit lens and I'm considering buying either a macro lens or some extension tubes. I don't necessarily want to do true 1:1 macro, just some close ups of bugs, fungi and ...
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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 ...
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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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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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Why isn't this portrait taken at f/29 sharp?
I am confused as to why this picture is not sharp. This is a portrait shot at F/29 ISO100 1/250
with a 17-85mm lens focused at 38mm. The subject distance was 1.2M. My DOF app tells me that my DOF ...
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Why is depth of field affected by focal length?
As the focal length decreases, the depth of field increases as well. Why is this? I'm not so much interested in a physics lesson as I am interested in a simple, down-to-earth explanation.
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Why does using a tilt-shift lens make things look miniature?
This question isn't so much about how to achieve the effect of making a scene look like it's modelled in miniature, but why tilting the focal plane creates the effect. What is it about photographing ...
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Can more than one focus point be selected?
Nowadays days, almost every DSLR camera comes with many focal points — 9, 11, 22 etc. Many of them provide us with settings to manually chose a focus point while shooting images, apart from the auto-...
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How can a Frazier lens achieve that massive DOF?
I've read in PetaPixel about this "Frazier lens" that can achieve a massive DOF. In this video is shown the capabilities of this lens and I must say I'm very impressed.
How can this lens achieve such ...
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Why can't I get a shallow depth of field (DOF) effect?
I am trying to get a shot of the subject that is a foot or two away from the background that I would like to have show as blurry.
This is what I am going after. Notice how the face of the dog is in ...
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How to achieve shallower DOF using multiple exposures?
For static or semi-static scenes, there are many ways to "simulate" certain features actually not feasible on single photo using the technology the photographer has. For example,
wider field of view ...
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Will a lens with a low aperture value give me better portrait photos?
I want to take pictures of people from 5-20 feet away. I attend lots of group events and am free to walk around and snap photos.
I just purchased a Canon t3i and it comes with a 18-55mm kit lens. The ...
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Maximizing bokeh in the foreground?
Another question asks, How can I maximize the “blurry background, sharp subject” (bokeh) effect?
Rather than the background, I am interested in blurring the foreground. What techniques or advice are ...
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Is it normal to get really crazy shallow DOF with a macro lens?
I just received my new Canon 100mm USM autofocus macro lens. I took a bunch of pictures outdoors, but I'm getting really crazy shallow depth of field with the pictures that's making it really hard to ...
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How to maximize the blurred background look with a distant subject (for example, 10m away)?
What lenses do I need in order to achieve the amount of bokeh that's on the image below?
I am quite new to dslr photography, and I want to buy a new lens. My main objective is to get strong bokeh ...
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Why is my subject still out of focus when it's inside the range shown by a depth of field calculator?
In a depth of field app, I entered my camera's sensor size, focal length of 50mm, aperture of f8, and focus distance of 6 feet. The app tells me that DoF is 2.1 feet, from 5.1 to 7.2 feet.
I then ...
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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?
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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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DoF app: should I round the image format/width up or down?
The DoF app I have calls for the sensor width to be set. The specs for my Sony α33 say the image format is 23.4 x 15.6mm. Do I dial-in the 23.4 or the closest to it? If I must go slightly over/...
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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 for a ...
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Automatic Depth-of-Field in modern cameras?
What modern cameras (DSLR or mirrorless) have automatic depth of field exposure setting functionality? It would be desirable for example to specify a desired DOF based on subject size (or 'depth') ...
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Lens equivalent depth of field [duplicate]
This question is ported directly from Physics SE, because the guys there believe this is the right place for it.
In digital photography, there's the principle of lens equivalency, according to which, ...
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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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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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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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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.
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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 ...
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How can a super tiny iPhone 6 Plus lens produce significant DOF?
According to Apple specs the iPhone 6 Plus thickness is 0.28 inch (7.1 mm) and the lens length is only a part of that. And according to an article I found, Depth of Field is a function of "aperture (i....
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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 ...
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How to have a sharp product image?
I am trying to get my images sharp, but I always notice there are some blurry edges that are further from the lens.
I basically set my ISO to 100 and tried to work my way from there. Since I was ...
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Is it possible to measure distance to an object by adjusting the focus?
This is maybe not a 100% on topic photography, but I couldn't find a better stackexchange site to post this on and maybe you guys can help me out.
I have a camera that takes pictures of a production ...
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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 ...
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How to micro-adjust distance for focusing in macro photography?
I'd like to take macro photos, but I have a problem with the focus.
I put the object on a (light) table, I put my camera on my tripod and take a few shots. Since the depth of field is very small ...
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How can I achieve an effect in still photography that's analogous to a cinematographic effect?
I don't know how it's achieved or what it's called, but occasionally in a movie I see an effect in which the perspective of the scene is modified in such a way that the objects that are further away ...
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What affects DOF more...distance to subject or focal length?
Say I want shoot a butterfly. My goal is to make sure the butterfly fills the frame. I can do this in two ways...I can use zoom or I can simply move the camera closer to the subject.
Which will ...
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Why do depth of field calculators show *more* DOF for larger formats with the same lens parameters?
I thought I had a pretty good seat of the pants understand of DOF. But I've been playing with DOF calculators and it's giving me results that don't line up with my practical experience, so I'm ...
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Does subject isolation only depend on subject distance and focal length, aperture and sensor size remaining equal?
Does subject isolation only depend on subject distance and focal length, aperture and sensor size remaining equal?
From my reading of a question on depth of field, if I take a photo of a subject at ...
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Is it possible to Zone Focus with a DSLR?
I have a Canon 1000d. Is the zone focusing technique applicable in a DSLR?
If yes, how do we do it?
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What would be a good digital alternative to a Canon AE-1 from 1977?
I would like to purchase my first DSLR camera with similar features and experience to my AE-1 Canon film camera. In particular, I would like a depth of field indicator that shows the depth of field in ...
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How can I achieve this effect, where the flower is sharp and everything else is blurry?
I was wondering how it is possible to take a picture like this.
Please have a look here for some example pictures. The flower is sharp, and everything else looks like taken with a long shutter.
Is ...
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