I would think the reason SR doesnt work well for macro is that the effective focal length of the lens gets significantly longer when in macro mode causing a mismatch of SR parameters and lens in use.
----------------- J.C.O'Connell hifis...@gate.net ----------------- -----Original Message----- From: PDML [mailto:pdml-boun...@pdml.net] On Behalf Of Toine Sent: Thursday, October 25, 2012 5:18 AM To: Pentax-Discuss Mail List Subject: Re: What about immage stabilization and macro K20D manual page 67 K5 manual page 142 "The effect of shake reduction is influenced by the shooting distance as well as focal length information. The share reduction function may not work as effectively as expected when shooting at close ranges" On 24 October 2012 23:33, Brian Walters <apathy...@lyons-ryan.org> wrote: > Quoting Toine <to...@repiuk.nl>: > >> If I remember correctly the manual claims SR should be switched off for >> macro. > > > > I don't recall seeing that in the K200D or K-5 manuals - not saying it isn't > there, but they are large manuals and I have a short attention span :-) > > The manuals do say to switch SR off if the cameras are tripod mounted. > > > > Cheers > > Brian > > +++++++++++++++++++++++++++++++++++++++++++++++++++++ > Brian Walters > Australian Native Plants Society (Australia) > http://anpsa.org.au > > > >> >> Toine >> >> On 24 October 2012 18:32, Jos from Holland <jos_from_holl...@onsnet.nu> >> wrote: >>> >>> I always wondered how to adjust for image stabilization in macro. I use >>> SMC-M 100mm macro and SMC-M 50mm on my K5d quite often with a macro ring. >>> I >>> have to adjust the focal distance of the lens manually. But what really >>> counts for image stabilization is the angle of view, I guess. So should I >>> use a correction factor and adjust maybe 300mm for the 100mm lens??? >>> Similar >>> things for my Sigma 17-70mm in macro mode. Any thoughts?? Greetings, Jos >>> >>> -- > > > > -- > 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. -- 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.
