View Full Version : 20 D metering question
gramps
22nd of January 2005 (Sat), 09:30
I'm shooting a college basketball game tonight in a arena that has fair light, not good just fair. I think I'll be at the baseline so I can use the 24 - 70. I'm going to be shooting raw format and hope to shoot at 800 ISO and 250+ shutter speeds. My question is which metering mode do you guys suggest? I was thinking going with centerweighted average. Will the camera use the center AF point for metering in this mode likek it does in the evaluative metering - manual focusing mode?
PacAce
22nd of January 2005 (Sat), 09:54
In center-weighted averaging mode, the AF point is totally ignored. The whole image is averaged to determine exposure but more weight is given to the central part of the image. So your focused subject could be on one side of the viewfinder but the camera will still weight the metering more from the center.
This, btw, is how it also works when using manual focusing, when the metering is switched from evaluative to center-weighted averaging mode (assuming we're not using a flash).
RDKirk
22nd of January 2005 (Sat), 17:23
I'm shooting a college basketball game tonight in a arena that has fair light, not good just fair. I think I'll be at the baseline so I can use the 24 - 70. I'm going to be shooting raw format and hope to shoot at 800 ISO and 250+ shutter speeds. My question is which metering mode do you guys suggest? I was thinking going with centerweighted average. Will the camera use the center AF point for metering in this mode likek it does in the evaluative metering - manual focusing mode?
I'd suggest evaluative.
picture-this
22nd of January 2005 (Sat), 23:41
Sorry to interupt but does spot metering just meter the hightlights then?
PacAce
23rd of January 2005 (Sun), 06:35
Sorry to interupt but does spot metering just meter the hightlights then?
A true spot meter only meters the area under the spot (under the center AF unless AF point spot metering is enabled). The 20D doesn't have a spot meter, though, but does have a partial meter. Partial meter will meter anything withing the partial metering circle in the center of the viewfinder.
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