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Manual focus is the direct control of a camera/lens's focus by the photographer. This is generally accomplished by turning a focus ring which is mechanically coupled to the lens's focus, but some cameras without focus rings allow manual control over the autofocus motor.

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6
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2answers
2k views

How does a fly-by-wire focusing lens work?

I have learnt that fly-by-wire focusing is an electrical manual focusing system. But how does this focusing method work? How do you manually focus with fly-by-wire? What is the scope of this ...
5
votes
2answers
1k views

Should I buy a adapter ring with or without AF confirm?

I would like to use my grandfather’s Voigtländer Bessamatic lenses (DKL mount) on my Canon EOS 600D. I looked for adapter rings and basically found two different types: Simple ones without any ...
1
vote
1answer
133 views

Pentax DA L lens focusing scale? [duplicate]

Possible Duplicate: How does one focus for landscape photos in very dark conditions? I have a Pentax K-r with the kit DA L 18-55 and a prime DA 35. As far as I'm concerned, they are good ...
-2
votes
1answer
615 views

Manual focus in Nikon Coolpix P7100

Is it possible to focus manually with Nikon Coolpix P7100? I put my camera on a tripod and tried to make photos of full moon this night, however the camera is unable to find focus on the Moon and all ...
3
votes
4answers
882 views

Can different metering modes affect sharpness for a m42 prime lens?

Recently, I got some old m42 prime lens from Ebay and started playing with them with my Canon T3i/600d. However, it's difficult to get sharp pictures with these manual focus lens as there is no AF ...
1
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2answers
927 views

Fixing F number in Manual Focus 50mm lens on a D7000

I have a 50mm f/1.2, this lens: http://www.nikonusa.com/Nikon-Products/Product/Camera-Lenses/1435/NIKKOR-50mm-f%252F1.2.html that I got used from a guy I know. When I mounted it in my D7000 though, ...
3
votes
1answer
393 views

I almost cannot switch to manual focus on my Canon 17-40 f/4 L lens

Usually troubles with autofocus are related to a non working AF. I've got the opposite issue: AF is working too well. Actually, it is ALWAYS working, and I cannot turn it of. Even when I switch to ...
4
votes
1answer
228 views

Image blurry when split image is aligned in the focusing screen

I just bought a used Vivitar V3800N with a Vivitar 50mm 1.7 lens for an intro photography course. I'm coming from a fully-automatic D60, so this fully-manual camera feels really alien to me. I'm ...
3
votes
2answers
289 views

How do I manually focus my macro in poor lighting conditions?

I'm using my Canon 100mm f/2.8L macro handheld all the time together with a flash rig and it works wonders. Most of the time I have an Eg-S focusing screen installed as well which makes it even easier ...
3
votes
6answers
6k views

How to manually focus Nikon d5100 at very low light conditions?

Suppose I have to short in very low light so I have to set up shoter speed to 10-20 sec. Live view and autofocus doesn't work in this case and view finder give you a little help since it is to dark. ...
3
votes
1answer
366 views

How can a teleconverter allow manual focus lenses to autofocus?

I've found that some discontinued teleconverters, such as the Pentax F 1.7x AF Adapter and Nikon TC16A, enable autofocus with manual focus lenses. How is this possible? Does this system have any ...
1
vote
4answers
465 views

Autofocus performance of different brands at night

Are there huge differences in the ability to focus in low light between different brands and models? I have a Pentax Kx with a Sigma 30mm 1.4. My problem is, that the camera's autofocus does not work ...
5
votes
3answers
3k views

How can I find infinity focus on a kit lens with no markers?

I have a kit lens which has no markers. What would be a recommended way to find infinity focus on this lens? I plan to shoot objects at night -- not necessarily stars or the moon. So, adjusting the ...
3
votes
4answers
2k views

Does my SLR have an indicator to help me use manual focus quickly and accurately?

I have Nikon D5000 which lacks in-body focus motor. I also have imperfect vision. When trying to manual-focus, results are not perfect. I could save a fortune by buying AF rather than AF-S lenses. ...
8
votes
5answers
423 views

Are there DSLR lenses that don't allow for manual focus?

I am looking into getting a Nikon soon (either a D3100 or a D5100). One of the reasons that I am upgrading from a point and shoot is because I want to have more control over the camera's functions. In ...
2
votes
2answers
219 views

Why doesn't pixel peeping with magnified Live View give the sharpest possible image?

I've seen this comment (most recently in this question), or similar, in several answers here on photo.SE: "Pixel peeped images aren't likely to look sharp". Why is that? It would seem to me that if ...
7
votes
3answers
2k views

How can I accurately focus manually on an APS-C DSLR?

My favorite portrait lens is the Nikon 50mm 1.4G. I love the light and what it is capable of. My problem with it is that on my D90 the AF is sometimes horribly slow, and in many cases (mainly low ...
4
votes
1answer
679 views

What might cause stuck focus on a manual lens?

So, today I dropped my ME Super. When I picked it up I realized that the focus ring of the 50mm f2 lens attached didnt turn. My question is, what could cause this? Could it be that the threads inside ...
1
vote
2answers
895 views

'Bokeh' effect with autofocus switched off in manual mode (Nikon-D90)

I want to understand how focusing works in Manual mode in my D90. I switched off the autofocus buttons in the Kit lens and the camera body. I have changed to the manual mode. Now, when I try to ...
2
votes
2answers
349 views

How can I find which lenses have “Continuous manual focus”?

Canon lenses with USM auto focus can be called "continuous manual focus" (at least some). By this I mean that you can override the AF without switching it off. I've found this very handy, and I often ...
1
vote
2answers
611 views

How to focus manually when you don't have a live view in the DSLR?

Nikon D3000 doesn't have a live view which means that the scene can't be seen on the LCD screen. So, how do you use the manual focus in such cases? Hit and trial, or is there a way out?
7
votes
2answers
1k views

Why does Zeiss manufacture only manual focus lenses?

I've heard that Zeiss's quality is very good/great but I'm also curious if it has anything to do with the "manual focus only". I have read this question but it only partly addresses my question. Is ...
2
votes
1answer
181 views

What types of rangefinders are there and what are the differences between them?

I have watched videos on YouTube showing the view through the M9 viewfinder, and it appears that only a small window in the middle allows you to focus. However, I once tried out an old Voigtländer ...
3
votes
4answers
353 views

Is it possible to get a larger screen for live view, for precise manual focus?

I've been doing some test macro shots lately and it's been a pain to focus sharp. The macro lens already minimizes DoF and makes things hard but I've been thinking of an external screen that I can ...
6
votes
3answers
492 views

Do still photographers use follow focus, as filmmakers do?

Is a follow focus system beneficial to photographers in low light or other situations? Almost all professional filmmakers use a similar system to manually focus lenses, but I am not aware of ...
7
votes
5answers
417 views

In which situation should you not use the manual focus?

Couple of weeks back, I discovered the power of manual focus, and now for each and every shot, I use manual focus! Are there some situations where manual focus doesn't make much sense and we should ...
1
vote
1answer
2k views

How do I use manual focus on my Canon PowerShot SX210 IS?

When I turn to manual focus setting in the camera, a bar appears on the right side of the screen which has measurements like 1 2 5 m. Increasing on decreasing that bar doesn't show any effects on the ...
33
votes
7answers
7k views

How can I get sharp manual focus despite poor eyesight?

I suffer from astigmatism. It's only mild, though I feel it's affecting what I'm seeing when looking through the viewfinder. Frequently, after shooting a photo with my Canon EOS 7D, I'll load it into ...
5
votes
3answers
465 views

In film cameras with film advance levers, what happens if I don't crank the lever all the way?

In film cameras with film advance levers, what happens if I don't crank the lever all the way? Will the lever 'remember' the last position it was at and keep the shutter button locked until I crank it ...
17
votes
3answers
1k views

How can I get better focus when a subject is moving towards or away from the camera?

When shooting events or action photos, engaging people, I often find that frontal (or rear) perspective may be very expressive, but my problem is focusing when the subject moves towards the camera (or ...
35
votes
5answers
10k views

Why don't DSLRs come equipped with “classic” focusing screens (split prism, etc)?

I have a hard time manual focusing my Canon EOS 350D. Compared to the few higher spec DSLRs that I played with, and that have a pentaprism, my Rebel's (pentamirror) viewfinder feels crammed and ...
17
votes
5answers
2k views

When would one need manual focus override?

In lens reviews, ability to override auto-focus manually is often referred to as a good (and important) feature. I have rarely, if ever used that feature, so I feel I might be missing out on an ...
20
votes
4answers
3k views

Can manual focus be faster than autofocus?

Recently I've gotten into street photography, and I've noticed there are some situations where it is technically impossible to autofocus, to be precise, when you have moving objects and don't want to ...
8
votes
4answers
748 views

Which is better - autofocus and recompose vs. manual focus?

In some occasions autofocus doesn't focus what I intend it to. What is the better option - to use autofocus, focus what I want and recompose, or use manual focus in that situation?
1
vote
1answer
192 views

Photography concepts using SX20

I've bought a Powershot sx20 half a year ago and I'm quite happy with it although I know it doesn't compare to a DSLR. I've learning photography on my own: bought a 58mm ring and some filters (cpl, ...
5
votes
3answers
1k views

How to I enable focus indication when focusing manually?

I've read that it is possible to have a lamp lit up when your picture is in focus when you are focussing manually. How do I enable this feature on a Canon 5D MkII?
0
votes
2answers
317 views

Light meter adjustment for a manual focusing screen

Katz Eye has replacement focusing screens for semipro Canon cameras, but they do affect the light meter in some situations. I am rather fond of using my spot meter, but am annoyed by the effects of ...
13
votes
7answers
1k views

How can I improve focus using both manual and auto on a candle flame?

I got my new tripod and 50mm F/1.4 sigma on my Nikon D7000 and was testing it out doing some shots of a flame on a candle. The below image is the sharpest i was able to produce. In review of my 50+ ...
2
votes
3answers
1k views

Problem in using 70-300mm non VR lens with Nikon D5000

I am finding it quite difficult to use my 70-300 Manual focus non-VR lens with D5000. Learnt it from experts that 70-300 non VR lens does not perform well with D5k though the lens mounts on this body! ...
11
votes
4answers
5k views

How will old M42 lenses work on a Nikon camera?

I wanted to get some cheap old lenses to use on my Nikon DX DSLR (D3100). However, Nikon has one of the greatest flange distances of all manufacturers, which means that most lenses I can buy (M42 ...
9
votes
2answers
772 views

What is manual-priority autofocus?

I have been looking at the Nikon AF-S 35mm f1.8 lens and it has two focus settings: Manual Focus Manual-Priority Autofocus What is "manual-priority autofocus"?
7
votes
5answers
502 views

Precise focus in self-portraiture

I've been trying to take some self-portraits, but I often have to struggle with the auto/manual focus. I don't miss by a lot, but I really want sharp focus in the eyes. I'm using a 50mm/1.8 around ...
7
votes
3answers
2k views

How should I chose a manual focusing screen for my Pentax K10D?

I am considering buying a split focusing screen, replacing the original one. I would like to use some split/microprism screen to ease the focusing of the manual lenses. I own both kit lenses (18-55, ...
0
votes
0answers
345 views

Need help focusing at night with DSLR [duplicate]

Possible Duplicate: How to focus in complete darkness I have a Canon 20D, when I shoot outdoors at night I have a very hard time getting images in focus. I primarily shoot landscapes, so ...
11
votes
6answers
7k 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, ...
8
votes
3answers
325 views

Which setup should I choose for taking pictures of Trick-or-Treaters tonight?

I've dug up my dad's old Pentax K1000 SE, along with his old lenses, and picked up some 400 film. I'm wondering which of these lenses I should go with to get the best shots tonight (outdoors, no ...
4
votes
1answer
715 views

How to manual focus Nikon Coolscan 4000 using Vuescan?

How to be sure that the scanner (Nikon Coolscan 4000) focuses correctly and if not, how can I manually focus it using Vuescan?
21
votes
4answers
1k views

Disadvantages of split-prism focusing screens?

I'm considering getting a microprism focusing screen for my Nikon d3000 (specifically, the KatzEye). Hopefully this will help tremendously with manual focusing, but I suspect there must be some ...
29
votes
6answers
1k views

When is manual focus better than autofocus?

We all know that autofocus is very convenient for everyday shooting, especially on cameras with tiny viewfinders that make manual focus difficult (like my Nikon d3000). However, just like the ...
14
votes
4answers
1k views

Why buy an expensive manual focus lens?

What are the benefits of (expensive brand new) manual focus lenses? Why did you, for example, buy a manual focus Carl Zeiss 85/1.4 rather than an auto-focus Nikon 85/1.4? I'm not concerned with ...