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Matblack · 30-01-2009, 15:21

I am struggling a bit to find information on my cameras autofocus settings, its a canon 300d and as far as I can see it has three settings

OS - One shot? - In this mode I can select a focus point or multiple focus points and get the camera to lock to one of these by depressing the shutter halfway, once I have it held there I can move the camera and the focus will be held.

But I have two other settings

Ai - This seems to do the same thing as OS

SE - I call this one Elmer Fudd mode because it does a lot of hunting but never pulls the trigger, it just refuses to pop up that focus lock icon and stops the camera firing when I depress the shutter all the way.

With all of these I can move the focus points around which seems useful, I suspect if I want to take a landscape with some one in front of it I could move the focus point to the point they are standing and get the camera to focus there, not sure why I wouldn't use the halfway focus lock and move to create the composition but I think thats what it does.

Please can someone explain the difference between SE and OS and what Elmer Fudd mode does

Thanks

MB

30-01-2009, 15:21	#1
Matblack Baby Bore Join Date: Jun 2006 Location: Svalbard Posts: 9,770	Halp Ples! I am struggling a bit to find information on my cameras autofocus settings, its a canon 300d and as far as I can see it has three settings OS - One shot? - In this mode I can select a focus point or multiple focus points and get the camera to lock to one of these by depressing the shutter halfway, once I have it held there I can move the camera and the focus will be held. But I have two other settings Ai - This seems to do the same thing as OS SE - I call this one Elmer Fudd mode because it does a lot of hunting but never pulls the trigger, it just refuses to pop up that focus lock icon and stops the camera firing when I depress the shutter all the way. With all of these I can move the focus points around which seems useful, I suspect if I want to take a landscape with some one in front of it I could move the focus point to the point they are standing and get the camera to focus there, not sure why I wouldn't use the halfway focus lock and move to create the composition but I think thats what it does. Please can someone explain the difference between SE and OS and what Elmer Fudd mode does Thanks MB __________________ "we had roots that grew towards each other underground, and when all the pretty blossom had fallen from our branches we found that we were one tree and not two"