On Thu, Apr 23, 2015 at 4:58 AM, Eric Featherstone <eric.featherst...@gmail.com> wrote: > On 23 April 2015 at 04:16, Darren Addy <pixelsmi...@gmail.com> wrote: >> What is an "electronic shutter" if not the focal plane shutter? > > Well no, the focal plane shutter is mechanical, not electronic. (Its > timing may be /controlled/ electronically but it itself is > mechanical.) > > An electronic shutter is a method of using the electronics in the > sensor to switch on/off its light reading capability. See > http://en.wikipedia.org/wiki/Shutter_(photography)#Electronic_shutter > or take a look at hacking the flash sync speed of a D70 by using its > electronic shutter > http://strobist.blogspot.co.uk/2007/05/hacking-your-cameras-sync-speed-pt-1.html
And as to why they would implement it for the "Pixel Shift Resolution" mode, I'll refer you to myself speculating yesterday: https://www.mail-archive.com/pdml@pdml.net/msg715767.html The electronic shutter is faster than the mechanical shutter, so the sub-exposures can be closer together in time, mitigating camera or subject motion. -- 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.
