I have a 5Dsr and I've configured two of the rear buttons for back-button-focus (BBF), if no-one else has done that (two vs. one, that is) I'd like to recommend it, if it's common then I have a bonus question - has anyone played about a lot with the tracking AF cases and have any views on what works well for what situations (especially if anyone's played with Arthur Morris' suggested custom case)?
My current AF Settings (subject to change, it's a work in progress, probably may will always be)...
(Note you change button functionality in the menus under "Custom Controls".)
Shutter half press = AE lock
This is so you can lock the exposure on something then recompose, it's locked as long as the shutter is half-pressed.
Centre (well, a single one that's usually the centre) AF point selected (not as the pin-point one, just the normal one). This is basically just to show me where it is without putting much clutter in the viewfinder. It isn't possible to make use of it.
AF-On button: Metering and AF Start (although the metering is ultimately only controlled by the shutter button).
AF Start position: SEL (this only counts if you register an AF point, which I haven't)
AF servo characteristics (done by an AF Case, this is a Custom one with settings borrowed from Arthur Morris):
- Tracking sensitivity: -
- Accel/decel tracking: 2
- AF pt auto switch: 2
AF operation: AI servo
AF area selection mode: All AF points
AF-On button: Metering and AF Start
AF Start position: SEL
AF servo characteristics (done by an AF Case, this is Case 2):
- Tracking sensitivity: one above -
- Accel/decel tracking: 0
- AF pt auto switch: 0
AF operation: AI servo
AF area selection mode: Centre point plus eight helper points
So the AF-on button is handy for grabbing stuff that's hard to aim at (fast manoeuvring birds for example). The * button uses the centre point for when you want to aim at something exact (which is a lot of the time) and the helper points in case you miss a little. You just put your thumb on one of the AF buttons and move it sideways if you want the other AF mode.
Using AI-servo is great, as you get single and continuous AF without going anywhere near the menus. You just aim, press an AF button then release to lock the focus (Single AF) or hold it down to track (Continuous AF).
My current AF Settings (subject to change, it's a work in progress, probably may will always be)...
(Note you change button functionality in the menus under "Custom Controls".)
Shutter half press = AE lock
This is so you can lock the exposure on something then recompose, it's locked as long as the shutter is half-pressed.
Centre (well, a single one that's usually the centre) AF point selected (not as the pin-point one, just the normal one). This is basically just to show me where it is without putting much clutter in the viewfinder. It isn't possible to make use of it.
AF-On button: Metering and AF Start (although the metering is ultimately only controlled by the shutter button).
AF Start position: SEL (this only counts if you register an AF point, which I haven't)
AF servo characteristics (done by an AF Case, this is a Custom one with settings borrowed from Arthur Morris):
- Tracking sensitivity: -
- Accel/decel tracking: 2
- AF pt auto switch: 2
AF operation: AI servo
AF area selection mode: All AF points
AF-On button: Metering and AF Start
AF Start position: SEL
AF servo characteristics (done by an AF Case, this is Case 2):
- Tracking sensitivity: one above -
- Accel/decel tracking: 0
- AF pt auto switch: 0
AF operation: AI servo
AF area selection mode: Centre point plus eight helper points
So the AF-on button is handy for grabbing stuff that's hard to aim at (fast manoeuvring birds for example). The * button uses the centre point for when you want to aim at something exact (which is a lot of the time) and the helper points in case you miss a little. You just put your thumb on one of the AF buttons and move it sideways if you want the other AF mode.
Using AI-servo is great, as you get single and continuous AF without going anywhere near the menus. You just aim, press an AF button then release to lock the focus (Single AF) or hold it down to track (Continuous AF).
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