Forums > Photography Talk > A topic I have talked about a million times, focus
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Photographer

ImOutOfHere

Posts: 2227

New York, New York, US

Mikey McMichaels wrote:

Are you familiar with zone focusing?


It should be possible to focus at f11 without using live view or even looking through the viewfinder.


The further back you stand the less trouble you'll have.

Maybe you need to use a 200mm lens.

Yes I'm familiar.  I think I just need to become better friends with what I have.  I'm getting there slowly.  Tomorrow I'm going to try a few far away shots to see how it goes.  We shall see.  Thankyou.

Jul 26 14 03:48 pm Link

Photographer

J O H N A L L A N

Posts: 12221

Los Angeles, California, US

I can't remember if you mentioned your camera make/model, but I have now moved to using (on Nikon D800e) what they call D9 continuous autofocus.
It is really good for fashion where single-point focus/recompose can be tedious but you don't want out of focus images. It works where normal continuous focus hunts too much (for my use), because it only uses a 3x3 focus point matrix to continually fine-tune the focus - so you're not getting the camera suddenly refocusing on a shoulder for instance. If you're using another camera, maybe there's something similar.

Jul 26 14 04:08 pm Link

Photographer

Mikey McMichaels

Posts: 3356

New York, New York, US

LeonardG Photography wrote:

This is only true at medium to long distance work. For close up work where the dof is shallow the distance in front and back are almost equal.

I'm talking about something different.


You're talking about how if you're back a bit and have a 6 foot DoF, 2-2.5 feet will be in front and the rest behind, right?


What I'm saying is the towards the edges of the DoF you're getting focus falloff. It's not in focus and then a hard cut to out of focus.

So within that 6 foot distance sections are more in focus than others. With that much depth, it's not an issue, but when you're at something as narrow as 1-2 inches a half inch backward or forward is going to be noticeable if you're picky and it's certainly going to respond to sharpening adjustments differently.

Jul 26 14 05:54 pm Link

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