It is possible, assuming that the flash would only use 25% of full manual power on the 4 consecutive shots. However, if you are taking a studio portrait, I think we can pretty much assume that the last three pixel shifts will capture the subject with their eyes closed. (Only half joking there).
On Fri, Apr 24, 2015 at 2:33 AM, John Francis <jo...@panix.com> wrote: > > I don't see why you think this means it won't work with flash. > I'd expect the camera to be quite capable of triggering the flash > each time it 'opens' the electronic shutter. And, as I point out, > any high speed sync capable flash is capable of being triggered > multiple times during the 1/180 sec or so of a fast exposure. > > On Thu, Apr 23, 2015 at 04:49:15PM -0500, Darren Addy wrote: >> I don't think this (the pixel shift resolution) is going to work with >> flash period. The pixel shift resolution is not using the focal plane >> shutter for anything more than opening and closing the "window". The 4 >> exposures taken while that window are open will be done by electronic >> shutter (basically a turning on and off of the sensor electronically). >> The mirror will go up and focal length shutter open at the >> beginning... the 4 exposures will be taken and the shutter will close >> and mirror come down again afterwards (making it feel something like a >> 1/2 second exposure). >> >> On Thu, Apr 23, 2015 at 4:14 PM, John Francis <jo...@panix.com> wrote: >> > On Thu, Apr 23, 2015 at 05:35:59AM -0400, Glen Berry wrote: >> >> Yeah, in the other K-3 II thread, I had mentioned this myself. I suppose >> >> they could do something where each of the four sub-exposures gets 1/4 of >> >> the >> >> total flash power, with the flash firing a total of 4 times for each >> >> resolution-enhanced image. For TTL flash, that would probably require a >> >> special flash unit with special programming. >> > >> > As Pentax already offer a high speed flash sync mode (basically firing the >> > flash multiple times, synced with the shutter motion, to expose the image >> > in strips as the shutter slit moves across the frame), I don't see there >> > being any problem in using flash for the four sub-exposures. I would assume >> > that any flash that supports high-speed sync mode today (such as an >> > AF540FGZ, >> > or one of several third-party units) would have no problems supporting >> > this. >> > >> > -- >> > 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. >> >> >> >> -- >> Life is too short to put up with bad bokeh. >> >> -- >> 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. -- Life is too short to put up with bad bokeh. -- 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.
