[Leica] R9 users, is there no exposure lock when using matrix metering, only on spot and average?

[benedenia at gmail.com (Marty Deveney)]

And as an aside - exposure lock is plenty useful once you have a feel
for how the meter works.

Marty

On Sun, Mar 13, 2011 at 3:08 PM, Marty Deveney <benedenia at gmail.com> 
wrote:
> 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
>>> >
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>>
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