My Sony RX100II and the new Canon Powershot S200 compacts both have a lens control ring that defaults to aperture control when in aperture priority. Good for old farts.
On 18 September 2014 12:16, P.J. Alling <webstertwenty...@gmail.com> wrote: > Wide open metering was developed partly to overcome the issue of meter > accuracy decreasing with decreasing light levels. In old camera manuals > there were charts showing what f stop shutter speed combinations would allow > proper metering. Those limitations haven't been removed. If you manage > with stop down metering to lower the light below the meters threshold of > accuracy you meter will recommend incorrect exposures. > > However Ricoh is full of horse crap when they say that. K M aperture > mechanisms are quite accurate when used as designed and when kept clean and > properly lubed. However a lot of them are over 40 years old and have never > been serviced in their working lives. I expect a large number of modern > lenses mechanisms will be inaccurate or stop working altogether if not > serviced in less than 1/10th that time. > > > On 9/17/2014 9:52 PM, Zos Xavius wrote: >> >> Ricoh claims that the aperture mechanism used in the M/K series is not >> accurate. My experience with green button stop down metering tells me >> that there might be something to that given the liberal amounts of EV >> compensation I end up using with various lenses. Oddly wide open >> meters fine with the green button. Hmmmm. >> >> On Wed, Sep 17, 2014 at 9:44 PM, Mark Roberts >> <postmas...@robertstech.com> wrote: >>> >>> Mark C wrote: >>> >>>> I'd expect all A, F and FA lenses would work with a FF Pentax. That's a >>>> lot of legacy glass. If they keep the green-button-stop-down-metering >>>> feature, there is still compatibility with even older glass. >>>> >>>> I'd like to see Pentax put more effort into attracting new buyers who >>>> will want new lenses and leveraging that to rebuild the product line. >>>> Investing in the very small number of people who bought lenses decades >>>> ago and don't want to upgrade is not a good business strategy, >>>> especially when your current products support this market segment better >>>> than most of your competitors. >>> >>> Yes, attracting new buyers is critical. The other day I was in Best >>> Buy picking up a USB cable or some such and walked through their >>> camera display. I found myself thinking how everything in there looked >>> the same and that the new K-S1 would really stand out. The old farts >>> that populate the PDML might not like it, but that's beside the point >>> in the wider world. >>> >>> -- >>> Mark Roberts - Photography & Multimedia >>> www.robertstech.com >>> >>> >>> >>> >>> >>> -- >>> PDML Pentax-Discuss Mail List >>> PDML@pdml.net >>> http://pdml.net/mailman/listinfo/pdml_pdml.net >>> to UNSUBSCRIBE from the PDML, please visit the link directly above and >>> follow the directions. > > > > -- > I don't want to achieve immortality through my work; I want to achieve > immortality through not dying. > -- Woody Allen > > > -- > PDML Pentax-Discuss Mail List > PDML@pdml.net > http://pdml.net/mailman/listinfo/pdml_pdml.net > to UNSUBSCRIBE from the PDML, please visit the link directly above and > follow the directions. -- Rob Studdert (Digital Image Studio) Tel: +61-418-166-870 UTC +10 Hours Gmail, eBay, Skype, Twitter, Facebook, Picasa: distudio -- PDML Pentax-Discuss Mail List PDML@pdml.net http://pdml.net/mailman/listinfo/pdml_pdml.net to UNSUBSCRIBE from the PDML, please visit the link directly above and follow the directions.
