Except DA18-250 ;) On Tue, Apr 14, 2009 at 10:59 AM, John Whittingham <jo...@carmel.ac.uk> wrote: > All DA lenses have Quick-shift focusing (manual overide) IIRC the manual > states it works in AF-S (Single) but not AF-C, my camera is usually set to > AF-C for the majority of the time I use it. > > Regards, > > John > ________________________________________ > From: pdml-boun...@pdml.net [pdml-boun...@pdml.net] On Behalf Of Joseph > McAllister [pentax...@mac.com] > Sent: 13 April 2009 23:00 > To: Pentax-Discuss Mail List > Subject: Re: Difference between 16-45 and 17-70 > > I probably shot a few test shots after it was unpacked, but I use the > DA*16-50 on a regular basis for indoor and lower light shots. > > I don't think any of the DA lenses that are shaft driven only have > focus override. I've tried on many occasions to do so, and it won't > move until you shift the camera body into manual, which retracts the > drive shaft. > > The 17-70 seems to have focus over-ride, but if you move the collar > very far at all with the release button half way, the motor forces the > image back into focus, at least in center focus mode that I keep mine > K20 in for imaging dogs. > > > On Apr 13, 2009, at 09:37 , Nick Wright wrote: > >> You haven't used the 16-45 since you got it? >> >> On Mon, Apr 13, 2009 at 11:23 AM, Joseph McAllister >> <pentax...@mac.com> wrote: >>> I misspoke on the 16-45. I meant the 16-50 (DA*). I don't think >>> I've used >>> the 16-45 since I got it, so I know I'm dumb about it. >>> >>> On Apr 12, 2009, at 23:06 , Pawel Hottowy wrote: >>> >>>> I believe all the DAs have override. And I would be very happy to >>>> realize that my 16-45 is weather sealed, but I certainly doubt so. >>>> BTW >>>> the direct comparison of IQ between 16-45 and 17-70 would be great. >>> > > Joseph McAllister > Pentaxian > > http://gallery.me.com/jomac > http://web.me.com/jomac/show.me/Blog/Blog.html > > > -- > 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. > > -- > 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. >
-- Thibault Massart aka Thibouille ---------------------- Photo: K10D,Z1,SuperA,KX,MX, P30t and KR-10x ;) ... Thinkpad: X23+UB,X60+UB Programing: D7 user (trying out D2007) -- 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.
