Archived posting to the Leica Users Group, 2011/03/12
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]Not sure about the mode change, but it definitely locks. Marty On Sun, Mar 13, 2011 at 12:47 PM, Philip Forrest <photo.forrest at earthlink.net> wrote: > I think that exposure lock switches matrix to center-weighted at the > time of making the calculation. That is, if the camera allows the two > to be set at the same time the program would have to shift out of > matrix or else there would be too many images that would be just > unusable due to things like bright/dark areas that the matrix too > account for but then were not in the final exposure. My F4 did this, if > I recall correctly. > > Phil Forrest > > > > On Sat, 12 Mar 2011 19:33:09 -0600 (CST) > grduprey at mchsi.com wrote: > >> Marty, >> >> Are you sure it works? Matrix metering by definition is a program >> that takes all of the light values seen in several regions of the >> frame and runs them through a complex program to come up with a >> exposure value for proper exposure. ?Exposure lock would be useless >> in this mode. ?My wife's D200 has matrix and exposure lock does not >> work in this mode. Same with my R8. >> >> Cheers, >> Gene >> >> ----- Original Message ----- >> From: "Marty Deveney" <benedenia at gmail.com> >> To: "Leica Users Group" <lug at leica-users.org> >> Sent: Saturday, March 12, 2011 6:09:25 PM GMT -06:00 US/Canada Central >> Subject: Re: [Leica] R9 users, is there no exposure lock when using >> matrix metering, only on spot and average? >> >> Exposure lock works in matrix mode on my Nikon F90x, F100, F4 and F5 >> cameras. ?I just tried it. >> >> Leica must think that this is the way you _should_ use matrix >> metering. >> >> Marty >> >> On Sun, Mar 13, 2011 at 7:23 AM, ?<grduprey at mchsi.com> wrote: >> > Vick, >> > >> > Matrix metering is a computer averaging program using a whole slew >> > of factors. ?Because of this there is no exposure lock, as you do >> > not have a single point to lock onto. ?By definition the computer >> > program makes the exposure from an average of all levels in the 5 >> > zones used by the camera. ?You can lock on to a single value only >> > in spot mode. ?This is the same even if you use a Nikon, Canon, >> > Sony etc. ?The R9 manual explains this quite clearly. >> > >> > Cheers, >> > Gene >> > >> > ----- Original Message ----- >> > From: "Vick Ko" <vick.ko at sympatico.ca> >> > To: "Leica Users Group" <lug at leica-users.org> >> > Sent: Saturday, March 12, 2011 2:27:45 PM GMT -06:00 US/Canada >> > Central Subject: [Leica] R9 users, is there no exposure lock when >> > using matrix metering, only on spot and average? >> > >> > Hey, R9 users, is there no exposure lock when using matrix metering, >> > only on spot and average? >> > >> > Mind checking on your camera for me? >> > >> > On mine, only the spot and average metering work with the exposure >> > lock, i.e. locks the exposure when I push to the 2nd pressure point. >> > >> > >> > Vick >> > >> > _______________________________________________ >> > Leica Users Group. >> > See http://leica-users.org/mailman/listinfo/lug for more information >> > >> > _______________________________________________ >> > Leica Users Group. >> > See http://leica-users.org/mailman/listinfo/lug for more information >> > >> >> _______________________________________________ >> Leica Users Group. >> See http://leica-users.org/mailman/listinfo/lug for more information >> >> _______________________________________________ >> Leica Users Group. >> See http://leica-users.org/mailman/listinfo/lug for more information > > _______________________________________________ > Leica Users Group. > See http://leica-users.org/mailman/listinfo/lug for more information >