the issue is that you can't track a moving subject. You cannot just pre-focus and wait for the proper moment..you cannot have any delay between the focusing and the shutter press...do you know what that means?
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I've emailed canon asking if they will disable this AF feature if i send them my camera, i personally think it is useless, if you can hold the AF point steady on your subject while panning then you don't need AI servo, and if you can't then AI servo will misfocus on the background anyway. Might work good for your 2 year old running around, but i don't have a 2 year old. I'm not going to turn around and sell the camera because of this, mainly because i will lose to much money, i'll simply wait it out and see what comes next.
tell this little blue heron to stop walking will i switch to manual focus, i need to focus lock and pan quickly and i need to know the camera will not try to refocus while i'm doing it, so instead i simply pushed the button before the camera could switch to AI servo. I guess i need the 10d, but unfortunately i was under the impression that the rebel would not switch for a few seconds(few equals 3 mississippi). In my experience it's usually closer to 1 mississippi. Anyway can't change cameras now.
here's a bird i was shooting the other day, i was trying to prefocus on the birds head and then recompose to include all the birds body, i was using center focus in A-priority mode, almost everytime the camera would refocus on the birds body, that's why you don't see the rest of it's body because i wanted to atleast get a good focused head shot by not recomposing, the bird was moving and i was recomposing very quickly, it's almost as if the camera is fighting me. It's annoying to say the least.
I mentionned the same thing in a different thread. Daniella has been offered advice by other people on metering. She chose to dismiss the advice and bash the camera again. Maybe she should just get a 10D. Then complain about the focus "issues" on that one. Then get a 1Ds and find something wrong with that one. Maybe we should start a survey on how many people have ever used a camera with manual focus only. Those by the way usually didn't come with a built-in flash.
I hope more people will take the time to email them, i don't want to choose the metering(unless they can add spot metering) i don't really want to choose the AF mode, i just want to disable this useless AI servo mode which is clearly just a marketing ploy. My fuji s602 had fulltime autofocus which seemed to work just as good as the 300d's AI servo, i never used it on the s602 because it could be shut off, The 300d's successor will probably have a stupid movie mode.
The offcenter focus points don't seem as accurate as the center focus point or is it just me? I really shouldn't have to though, the camera shouldn't try to refocus so quickly. I miss that about digiscoping with the nikon cp990, i always used the top focus point and it had no problem focusing on a hair on a gnats head, but the rebel has to have a good size object in order to focus, when this bird was a little further out i had to focus on the body because the camera couldn't lock focus on the thin head/neck of the bird, but that is another annoying issue which problem carries over to the 10d and other slr's.
Maybe a ******, but i call them how i see them. J/K, if you check my posts you will see one complaining about how i hate the AI servo focus.
https://www.usa.canon.com/cgi-bin/ots4b.pl
