Questions tagged [hyperfocal-distance]

The hyperfocal distance is the nearest distance to which a lens can be focused when using a given aperture where the depth of field will extend to infinity.

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Question on f-number and exposure [duplicate]

Is there any mathematical proof to show that the exposure in a camera is independent of the focal length used, if the f-number (ratio of focal length to lens diameter) remains constant?
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Can hyperfocal distance be used to keep everyone in focus in group photography?

If you have different sets of people standing at different linear distances from the camera can we use the theory of hyperfocal distance to ensure sharp focus on all subjects? Conversely does being "...
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Ultra-wide manual lens & concert photography

I'm a Samyang 14mm f/2.8 owner, totally manual lens, and I never used that kind of lens. I love to do concert photography shots and I always used my tele or mid-tele lens. I'd want to try to use that ...
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How many steps to walk forward to get equal range to 200mm with 70mm lens?

I'm newbie in the world of lenses ... I have 24-70mm 2.8. I never got a chance to use 70-200mm. One friend told me that you just have to walk two or three steps forward to get 200mm equal range with ...
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Hyper focal distance versus maximum focus distance before infinity

I have a Sigma 18-35 1.8 sigma lens. The latest number on the distance scale of this lens is 2m. At subjects further than 4.22m the lens focusses at the infinity mark. The exif data confirms this, as ...
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What is the depth of field if the the focus distance is set to infinity?

If the camera format is 35mm, the focal length of the lens is 35mm, the aperture is f/4, the subject distance is 25ft, and the hyperfocal distance is 39'7", then what would be the range of focus when ...
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3answers
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Find hyperfocal distance for HD (1920x1080) resolution?

I'm using panohelp.com to prepare tables with hyperfocal distances for my camera. The most important camera-specific info I have to plug in is the circle of confusion (0.019mm for my Canon EOS600D). ...
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3answers
806 views

Why are my pictures blurry even though a DOF calculator shows everything should be in focus?

In theory, according to the DOF calculator, I can achieve infinity focus with my Sigma 10-20 at f/3.5 when focusing at a subject that's 2m away but when I put it to the test my pictures come out super ...
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How do I take a sharp picture of a large crowd of faces?

I've been asked to take a picture of my church (the people, not the building we meet in). They're renting a lift I can use to get adequate height to fit all ~250 people into the frame, but I'm kind of ...
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1answer
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Can I set a button to a particular focus distance on 5DIII (and ML)?

Can I, by simply pressing a button, set the autofocus to a precise, pre-registered distance value ? ( and then, I guess, lock AF ). The goal is simple: Hyperfocal - On my zoom lens, there are no ...
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How do I set hyperfocal distance meter on a Pentax 50mm lens, if I want bokeh?

I have just bought my first DSLR, a second-hand Pentax K-x. I also bought a prime lens (SMC Pentax 50/f1.7) and now I am struggling with the following basic question: How do I set the hyperfocal ...
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How do I take an image without a blurry background? [duplicate]

I'm very new to DSLRs and I was wondering how to make it so that my Nikon D3300 focuses but does not blur anything out like when it focuses on a flower or something and it blurs everything else around ...
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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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1answer
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Is it possible to make your own focus distance scale?

I'm using a Nikkor 18-105mm kit lens and it doesn't have a distance scale on its focus ring, is it possible to create your own distance scale by knowing the 0 and the infinity focusing points on the ...
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Why don't we focus at the nearest hyperfocal distance to get everything in focus?

I came across this article, and it says that if we focus at a hyperfocal distance, then everything from half of hyperfocal distance to infinity will be in focus. Then why don't we set the focus ...
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Does hyperfocal distance only apply to manual focussing?

At any given aperture and focal length, I can still focus on something near or something far away by simply touching the lcd on my dslr. Does that mean that because I may not be focussing at the ...
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Making the whole photo in focues using Nikon D7100 with nikkor 18-105 mm

Can anyone help me in how to make the whole photo in focus ?? I'm using Nikon D7100 with Nikkor 18-105 mm. Updated
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2answers
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Difference between zoom and focal length? [duplicate]

Until now I thought that focal length is just another way of measuring how much a lens zooms: The higher the number the more it magnifies, the smaller the number the wider the angle and thus the less ...
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Is the distance scale on a lens linear?

I have Nikon lenses with distance scales on them so I can set the lenses to the hyperfocal distance when I need. Say now the focal length is 28mm and the aperture is f/16. The corresponding ...
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4answers
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Where to focus when shooting landscapes?

When I am shooting landscapes, where (at what point) should I focus when using Auto Focus? Or if I am shooting the lit up skyline of the city, what should be my focus point? The reason I ask is that ...
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How can I get maximum DoF with no distance markers?

I am aware of what hyperfocal distance is and the general principles behind it. However, most of the tutorials I have seen and read regarding it make use of lenses with focus distance indicators. ...
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What do the red values mean on the distance scale of a lens?

Take this lens I have for example, it has red values on the distance scale (not sure what do you call it exactly) next to the focus ring. What does these values mean?
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What is “Hyperfocal Distance”?

I'd like a clear & easy-to-understand (especially for non-physics-types) explanation of what Hyperfocal Distance is, how it affects photographs, and what determines its value.