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by Russell McMahon

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1
vote
2answers
98 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
595 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
2answers
915 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.
1
vote
2answers
155 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 ...
3
votes
5answers
269 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 ...
6
votes
2answers
3k views

How can I take a photo with everything in focus with my DSLR?

I am quite new to DSLRs and one of the first things I noticed was the incredible focus points and depth that you can achieve. That is great in a lot of scenarios, but not in all. When filming a ...
6
votes
3answers
2k views

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 ...
6
votes
3answers
6k views

How do I keep both the background and foreground in the image in focus at the same time?

How do you have both the background and foreground in the image in focus at the same time? Last week I was attempting a shot where I had the back of a hat in focus and in the distance you could see a ...
14
votes
3answers
2k views

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 ...
10
votes
2answers
2k views

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 ...
5
votes
1answer
362 views

Is it possible to get tethered focus and aperture control with any current DSLR?

I'm looking to get into some photography work and I had a couple questions. I'm quite an amateur at this, unfortunately, so I would appreciate any and all assistance! I want to be able to control the ...
8
votes
3answers
1k views

How can I take photographs with a large depth of field?

I was looking at some pictures by TSO Photography, and I was struck by how everything in the image seems to be sharp and in focus. I do realize that to achieve huge depth of field, you set the ...
6
votes
3answers
709 views

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 ...
6
votes
2answers
789 views

How can I get more of this macro photo in focus?

I want to make a full focus on the body, for example: I need to have a clear focus on the each balls in the photo. I used just single point focus. In this picture I used: shutter speed: 8 ...
5
votes
2answers
828 views

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?
9
votes
1answer
4k views

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 ...
10
votes
6answers
1k views

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 ...
11
votes
6answers
6k views

How can I get everything in focus?

I have a Canon 550D with 70-200 f4 and 50mm prime lenses. Although the camera has built-in 9 focal points, I sometimes face a strange problem. Here's a sample photo: In reference to the above pic, ...
9
votes
1answer
254 views

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 ...
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?
32
votes
7answers
1k views

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.
13
votes
4answers
4k views

How does changing focal length affect depth of field?

I'm curious about how my "area of acceptable focus" changes when the focal length of the lens I'm using changes as I zoom (or switch lenses). In particular, I'd like to know how the front & back ...