On Nov 18, 2010, at 5:51 PM, Walter Gilbert wrote: > Actually, when I went to change it, it appears I was right, according to > the dialogue on the menu screen.
Do you have d-range highlight correction on? That will sacrifice the lowest ISO setting. > > On: "Enables ISO sensitivity from 100 to 12800" > Off: "ISO sensitivity can be set from 200 to 6400" > > Curious, that. > > On 11/18/2010 5:40 PM, Walter Gilbert wrote: >> Ah! I see. I thought by "expanded" it meant expanding the range from >> 200-6400 to 100-12800. >> >> In that case, I'll just turn off the expanded sensitivity, since I've yet to >> encounter an instance where its use was particularly desirable. >> >> Thanks! >> >> -- Walt >> >> On 11/18/2010 5:33 PM, John Francis wrote: >>> On Thu, Nov 18, 2010 at 04:39:29PM -0600, Walter Gilbert wrote: >>>> HI all, >>>> >>>> I've been meaning to ask this for some time now, but just keep >>>> forgetting to. Anyway, here goes: From day one of ownership, I've had >>>> the expanded sensitivity enabled on my K-x. I can force it manually all >>>> the way up to the 12800 top-end limit, but have yet to figure out a way >>>> to get it to shoot at 100 -- not Shutter Priority, or any other. The >>>> camera is clearly capable of shooting at that low a sensitivity, as it's >>>> indicated in the auto-ISO range (though I've yet to see a shot come out >>>> of it with that indicated in the EXIF data. >>>> >>>> So, what gives? I can't understand the rationale for allowing one to >>>> force the camera all the way to the top end of its range, where IQ >>>> suffers, but not at the bottom end, where one presumes it would benefit. >>>> Is there something I can do about this? >>> I believe you've answered your own question. >>> >>> AFAIK, if you turn off expanded sensitivity you'll be able to use ISO 100. >>> >>> >> > > > -- > 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. -- Matthew Montgomery [email protected] -- 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.

