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FORUMS Canon Cameras, Lenses & Accessories Canon EF and EF-S Lenses 
Thread started 15 Jan 2012 (Sunday) 16:55
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IS AUTO FOCUS OVERATED???

 
ZoneV
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Jan 16, 2012 12:14 |  #46

For me AF is not very interesting - I don´t like to make my image composition focus point orientated. I work with the EOS 5D + EE-S screen - and have the mirror replaced with an 100% silver mirror - no longer AF on this camera :-)

I have blurred images of my active child - but I have enough sharp ones too.
For the birth of my second child I took my 5D without AF, the DIY converted Canon FD 24mm/1.4L and Minolta Rokkor 58mm/1.2 and it was fine. In a bag at home I had a second 5D (original) with the Canon EF 50/1.4 - the lens long unused. Have the AF lens on the camera to get my wife take some photographs of me and the child.

But I have no problems if others like AF and those front and back focus problems...


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Musicmacd
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Jan 16, 2012 12:42 |  #47

Feel like i've opened a can of worms!! I have been taking photos for 15 years as a hobbiest, I have used the auto focus system my entire time, I bought some Zeiss 3 months ago and for me It just seems to be more natural!. How many images have been lost when auto focus has confirmed??? I've seen out of focus images with my red auto confirm box over the " so called " point of focus, this is why I posted here. I could have a faulty camera??? But I don't think so, feel like you can't trust a $5500AU camera!!!


CANON TS E 24Lmk2 35L, 50L, 85L2, 100 2.8, 135L, 16-35L, 70-200L f4
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wayne.robbins
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Jan 16, 2012 13:24 |  #48

harcosparky wrote in post #13709693 (external link)
Oh cool ... another IS thread!

Give me a DSLR body with a bright viewfinder, an excellent screen and I'd do manual focus almost all the time. Just like I did when I started out in photography. Back then it was manual only and I cannot recall any focusing problems.

First off, "IS" is Image Stabilization and an AF discussion is not about "IS" ...

I'd also bet that back then, with Manual Focus, the only person you blamed when you had an out of focus shot was- probably you- right ?


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wayne.robbins
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Jan 16, 2012 13:29 |  #49

Musicmacd wrote in post #13713709 (external link)
Feel like i've opened a can of worms!! I have been taking photos for 15 years as a hobbiest, I have used the auto focus system my entire time, I bought some Zeiss 3 months ago and for me It just seems to be more natural!. How many images have been lost when auto focus has confirmed??? I've seen out of focus images with my red auto confirm box over the " so called " point of focus, this is why I posted here. I could have a faulty camera??? But I don't think so, feel like you can't trust a $5500AU camera!!!

Maybe you should send it in.. If you feel that your AF is doing that bad of a job, then by all means, send it in and let them fix it..

On the other side of the equation, how many shots did you not be able to take because you were attemting to get it into focus using manual focusing ?

Whatever, if at the end of the day, it seems that your AF is not right- and you paid so much for it- definitely send it in and let them fix it..


EOS 5D III, EOS 7D,EOS Rebel T4i, Canon 70-200 f/2.8 IS II, Canon 24-105L, Canon 18-135 IS STM, 1.4x TC III, 2.0x TC III, Σ 50mm f/1.4, Σ 17-50 OS, Σ 70-200 OS, Σ 50-500 OS, Σ 1.4x TC, Σ 2.0x TC, 580EXII(3), Canon SX-40, Canon S100
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Musicmacd
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Jan 16, 2012 16:05 |  #50

wayne.robbins wrote in post #13713915 (external link)
First off, "IS" is Image Stabilization and an AF discussion is not about "IS" ...

I'd also bet that back then, with Manual Focus, the only person you blamed when you had an out of focus shot was- probably you- right ?

I am not talking about image stabilization, i used " is" as the start of a question!:cool:


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bratkinson
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Jan 16, 2012 16:42 |  #51

As I am now part of the "senior" set, my vision isn't what it used to be, even with progressive lens glasses. So I'm overjoyed at having auto-focus on my lenses. Makes my life a lot easier. So does the "auto" mode on the camera.

But, as countless others have learned, auto-focus and auto camera won't deliver the desired results when needed. I had a number of blurred, low-light shots in AF mode before I figured out that it was focusing on nearer subjects than the where I wanted it to be. No where did it become more apparent than with my 135 f2 L shooting over the heads of the audience to the stage in a small setting. Once I figured out I needed to focus manually, the results were fantastic!

I also found manual focusing necessary when taking pix of items on a table, where AF decides it wants to focus on the table edge rather than the real subject. Here's where live-view with the twist-screen on my 60D worked magic! As the camera was on a tripod at a very inconvienient location, I simply focused using live-view and then hit the remote release!

Slowly but surely, I'm learning the ins and outs of the 60D...


"Never tell people how to do things. Tell them what to do and they will surprise you with their ingenuity." General George S Patton, Jr 1885-1945

  
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DreDaze
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Jan 16, 2012 16:47 |  #52

^^^it's never a good idea to let the camera choose the focus point for you...


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K6AZ
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Jan 16, 2012 17:36 |  #53

DreDaze wrote in post #13715028 (external link)
^^^it's never a good idea to let the camera choose the focus point for you...

Unless you are a beginner but most figure out real quick choosing your own AF point works much better. ;)


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LowriderS10
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Jan 16, 2012 17:39 |  #54

No. I shoot film and enjoy MF'ing on those, but I do appreciate and love the option of quick, accurate AF as well.


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BlueTsunami
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Jan 16, 2012 17:46 |  #55

I don't think its good to generalize in this regard. there are way too many varying scenarios. But, for me, AF is overrated. I rarely shoot moving subjects and when I do its movement that's easily predicted and/or not as fast moving as athletes.

More people should give Manual Focusing a try, it expands your compositional choices when you're not composing with AF points in mind. This is how I felt when I moved from purely using Auto Focus to manual focusing.


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Jan 16, 2012 18:05 |  #56

It's not overrated.
Want to shoot fast moving action? AF
Want to be in the middle of can't miss crime scene investigation action, or perhaps getting the shot of the cop getting their man? AF usually gets you the shot. MF can get it, but I find my hit rate is much less.
That's not to say manual focus is incapable, for news work and MF you can usually shoot F8 @ 250 or so and get a shot, but you've usually prefocused at that point -- assuming you can guess distances fairly well.




  
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Jan 16, 2012 18:26 |  #57

Let's see, the suggestion is that everybody has got a motorcycle and a bicycle and a bunch of bored nits who have got nothing better to do are arguing about which one is better and which one I should use?

Well if both are mine, what I do with them is none of anybody's MFing business. :D


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Jan 16, 2012 18:52 |  #58

...and further, it is an indisputable fact that whether you use a "protective" filter or not, on FF or crop, even if you AF or MF and neglect to release the shutter, you will fail to produce an image.


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canito
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Jan 17, 2012 08:53 |  #59

Sometimes it can also be underrated. Like when I try to take a pic of my children, or when I ask someone that has never used MF to take a picture of my kids/wife and myself. Or the times I've suggested my wife that it might not be a crazy idea to sell my 85L.


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Jan 17, 2012 09:01 |  #60

I think the more intelligent course of action is to evaluate technology and how it can or cannot work for you/streamline your workflow/etc etc. Rather than making sweeping generalizations, understand that your opinion and experience is one in many thousands or millions.

I enjoy shooting with legacy glass for myself. I would not trust myself with them at a paid gig.


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