Dave Dixon, you got me thinking and looking. Now I am confused. Here's what I know about my PZ-1.
Set the PF (personal function) at CE for center weighted metering. Put the K24/2.8 on the PZ-1 and open it to f2.8. Focus on that lamp across the room. The camera reads 1/60th. Press the SPOT button, turn the wheel. The camera reads 1/60th. So far, so good! With the K lens, we can't do matrix metering, so… We get center-weighted metering, and when we turn 'SPOT' metering on, we get center-weighted again. Now the problem. Set the PF at SP for spot metering. Put the K24mm on the PZ-1 and open it to f2.8. Focus on that lamp across the room. The camera reads 1/500th. Press the SPOT button, turn the wheel. The camera reads 1/500th. So it looks like I have spot metering, but this is all I have. I can't change anything with the SPOT button. I have to it with the PF function! It's SPOT all the time. Now put the A24/2.8 on the PZ-1 and open it to f2.8. With an A lens, I should get matrix metering and I see 1/60th. Set the PF at CE for center weighted metering. Press the SPOT button, turn the wheel. Exposure changes to 1/125th, center weighted metering! Set the PF at SP for spot metering. Press the SPOT button, turn the wheel. Exposure changes to 1/500th, spot metering! So my PZ-1 with a K lens doesn't change metering mode with the SPOT button. With an A lens, the SPOT button will change the metering mode. Every day I learn something here!!! Thanks to both the Daves for sticking with me. Regards, Bob S. [EMAIL PROTECTED] writes: > I'm a different David, but I'll stick my oar in. I've tried your expt > below, with a Z-1, and a SMC-M 200/4. > I can definitely get spot metering - a four-fold difference in exposure > changing between centre-weighted and spot. > However, if I change Pentax function 1, so that activating the "spot" > option instead uses centre-weighted metering, I get the same reading > with/without spot option - as expected as both modes are using > centre-weighted. Hve you checked your PZ-1 to see what setting PF1 is > using? > My results agree with my interpretation of the manual: > > K, M lenses > A, F, AF lenses > Normal metering Centre-weighted Matrix > Spot metering (PF1=SP) Spot Spot > Spot metering (PF1=CE) Centre-weighted Centre-weighted > > So, all our (P)Z-1s work the same, but are probably set up differently? > > David Dixon
