Well Put Godfrey. This describes the much "magic" of the multi pattern metering system. You are a god gifted teacher Godfrey. (No smilie, I think this is the plain truth)
Tim Mostly harmless (just plain Norwegian) Never underestimate the power of stupidity in large crowds (Very freely after Arthur C. Clarke, or some other clever guy) > -----Original Message----- > From: Godfrey DiGiorgi [mailto:[EMAIL PROTECTED] > Sent: 20. mars 2006 17:49 > To: PDML > Subject: Re: ist D exposure question > > I set the DS by default to Multipattern exposure metering with AE-AF > linkage. The linkage only works when AF is enabled. When the focus > point is on center, the metering response curve returns CW Averaging > results for average scene dynamics. > > Presuming on-center focus, the biggest adjustments to CW Averaging > meter response I see is some compensation for an overly bright sky or > a severely backlit, small (less than 1/9 of area) subject ... the > system adds up to .7 EV to those situations under some conditions. > (Not enough in many cases.) When AF is enabled and an off-center > subject is locked on, I see the exposure shift slightly as if the > subject were on the central focus point. A little bit of -EV > adjustment is enabled for small, brightly lit subjects on a dark > background, again usually not more than -.7EV (and again not enough). > > Once you understand how the evaluative metering responds, you control > exposure by the EV compensation wheel. It is mostly identical to > doing the same thing with CW Averaging metering pattern, with the > added bonus that it will throw in just a little compensation > automatically for cases where marginal compensation is enough. In > general, I've found the matrix metering set up to be consistent and > predictable enough that I only rarely find a need to switch to CW > Averaging or Spot meter pattern. CW Averaging is a bit more > predictable than the matrix metering mode until you understand the > responses, and I tend to prefer it when I'm working Manual exposure > and mode because I want to be in complete control then. However, I > tend to use the DS in Av mode the vast majority of the time. > > Godfrey > > > On Mar 20, 2006, at 8:33 AM, Bruce Dayton wrote: > > > On my D's, I rarely use multipattern. Pretty much stick with Center > > weighted or spot. To me, the real problem with multipattern is that > > it is unpredictable. You never really know for sure how it comes up > > with the exposure. I have much better luck just using my hard earned > > experience in a predictable manner. > > > > -- > > Best regards, > > Bruce > > > > > > Monday, March 20, 2006, 8:14:56 AM, you wrote: > > > > RW> Shel, > > > > RW> Well, I've been shooting slides almost exclusively for > > RW> 40 years, and have been using a PZ-1 and PZ-1p for the > > RW> last 12 years; so I think I generally have a good > > RW> handle on exposure, and I =thought= I would have a > > RW> good handle on how a Pentax multipattern meter would > > RW> behave. I usually use spotmetering a lot, but for > > RW> quick grabs use multipattern, and was surprised by > > RW> these exposures. > > > > RW> Rick > > > > RW> --- Shel Belinkoff <[EMAIL PROTECTED]> wrote: > > > >>> A better way to be sure you get it right is to learn > >>> how to expose properly > >>> in the first place. The DS and the D offer spot > >>> metering. You could try > >>> experimenting (and learning) with that. Shooting > >>> RAW may give you some > >>> additional latitude, but there is no substitute for > >>> proper exposure. > >>> > >>> It sounds like you're relying too much on software > >>> to get good results. It > >>> may be difficult to return from working in that way. > >>> Learn the right > >>> exposure in the beginning. You will have better > >>> photos forever. By > >>> relying on software, you'll never learn how to > >>> expose. > >>> > >>> Shel > >>> > >>> > >>> > >>>> [Original Message] > >>>> From: Tim Øsleby > >>> > >>>> Whatever mode you used, my guess is that the > >>> camera went for the grey in > >>> the > >>>> sky behind the trees. It can be rather tricky to > >>> figure out what the meter > >>>> will think. Also in Av and Tv mode. So there is > >>> only one way to be sure to > >>>> get it right. Shooting raw. > >>>> > >>>> When I bought the camera (a DS), I had a lot of > >>> frustrations myself. > >>> After a > >>>> while I tried raw, but could not get on top of > >>> converting. Then I > >>> downloaded > >>>> Rawshooter Essential. This program has some auto > >>> correction features that > >>>> were just what I needed. All I had to do was using > >>> ALT + E, and the > >>> program > >>>> suggested a conversion. Often this is close to a > >>> good image, and it sure > >>> was > >>>> a good starting point, to play with the image. I > >>> have learned a lot in a > >>>> matter of little time using this. > >>>> > >>>> Most likely you will end up using raw sooner or > >>> later. So what I am saying > >>>> is that _now_ might be the time to take that step. > >>> The general quality is > >>>> better, and it does give you more headroom when > >>> shooting. > >>>> > >>>> Now I have upgraded to RSP, the pay version of > >>> RSE. There I have levels, > >>>> curves and cropping in the converter. So now I do > >>> most of the tweaking in > >>>> one program. The downside of this is that it makes > >>> me a bad photoshooper. > >>>> But for now, I can live with that. > >>> > >>> > >>> > > > > > > RW> http://www.photo.net/photos/RickW > > > > RW> __________________________________________________ > > RW> Do You Yahoo!? > > RW> Tired of spam? Yahoo! Mail has the best spam protection around > > RW> http://mail.yahoo.com > > > > > >
