On 4/4/09, Bob Sullivan, discombobulated, unleashed: >I've found that I don't really understand the 'green button' mechanism. >I can operate the green button fix just fine, but exposures are a bit >of a mystery. >See here, where I used an old M35 f2.0 lens on manual. >http://picasaweb.google.com/rf.sullivan/K352ApertureTestOnK20d# >Exposure seems to go off as you get to smaller f stops. >Now if the green button causes it to stop down and meter, >how can it be off? You just metered the shot at f12.8, or whatever. >The mechanism for this error is a mystery to me.
The very first time I ever used a legacy K mount manual focus lens on a modern Pentax DSLR, it worked perfectly. The lens had no aperture lever. I'm saying no more ;-) -- Cheers, Cotty ___/\__ || (O) | People, Places, Pastiche ||=====| http://www.cottysnaps.com _____________________________ -- PDML Pentax-Discuss Mail List [email protected] http://pdml.net/mailman/listinfo/pdml_pdml.net to UNSUBSCRIBE from the PDML, please visit the link directly above and follow the directions.
