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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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3answers
362 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 flash)...
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1answer
1k 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?
23
votes
4answers
2k 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
2k 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 ...
15
votes
4answers
2k 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 ...
21
votes
3answers
2k views

Why am I allowed to turn my focusing ring beyond infinity?

Is there a good reason why I can turn the focusing ring on my lenses beyond infinity mark on focusing scale? Following recent questions here and here, it sounds like a real usability issue. ...
27
votes
13answers
13k views

How does one get manual focus right with a fast-aperture lens?

I have got an old lens (f1.4) that I have to use only with manual focus on a DSLR. Well, it is difficult for me to get the subject on focus. Although on focus according to the viewfinder, the actual ...
13
votes
4answers
1k views

How do you manually focus accurately without a focusing screen?

I have a Canon 1000D and it doesn't come with a focusing screen. Sometimes my camera cannot focus in low-light. I'd like to manually focus, but without a focusing screen I haven't been able to do it ...
10
votes
7answers
464 views

Focusing an entry-level DSLR

I like really really sharp photos. Even with a prime lens, I seem to be able to do noticeably better with my 450D by manually focusing using live view at maximum zoom than by using auto focus (even ...
6
votes
3answers
1k views

Nikon D50 and Nikkor AI manual focus lens

I have a D50 and I would like to use my manual focus lens (a Nikkor 50mm f/1.4 AI) from my analog SLR. It fits on the mount and all seems to be good, but the status on the LED display blinks F - - ...