Archived posting to the Leica Users Group, 2012/07/12
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]An about face ;-) John On 13/07/2012, at 4:51 PM, "Mark Rabiner" <mark at rabinergroup.com> wrote: > I like the look of that camera!!! > > - - from my iRabs. > Mark Rabiner > http://gallery.leica-users.org/v/lugalrabs/ > > >> From: John McMaster <john at mcmaster.co.nz> >> Reply-To: Leica Users Group <lug at leica-users.org> >> Date: Fri, 13 Jul 2012 03:58:30 +0000 >> To: Leica Users Group <lug at leica-users.org> >> Subject: Re: [Leica] Companion to the M9? >> >> http://www.dpreview.com/previews/sony-dsc-rx100/ shows size in relation to >> other crop-circle sensors >> >> john >> ________________________________________ >> >> >> When they say inch with sensors they are talking about a tube which used >> to >> surround it from the old black and white video in the TV station days. The >> sensor is much smaller and needs to be looked up to find out how small. >> >> - - from my iRabs. >> Mark Rabiner >> http://gallery.leica-users.org/v/lugalrabs/ >> >> >>> >>> Richard, the link says the sensor size (diag.) is 1 inch (24.5mm). How >>> is >>> that possible when the M4/3 diagonal is only 22.5mm? They must be using >>> the old terminology, so it could also be called a 3/3 sensor, as compared >>> to 4/3. Confusing. >>> >>>> From wikipedia on MFT: >>> "The image sensor of Four Thirds and MFT is commonly referred to as a >>> *4/3" >>> type* or *4/3 type* sensor (inch-based sizing system is derived from now >>> obsolete video camera tubes >>> <http://en.wikipedia.org/wiki/Video_camera_tube>). >>> The sensor measures 18 mm ? 13.5 mm (22.5 mm diagonal), with an imaging >>> area of 17.3 mm ? 13.0 mm (21.6 mm diagonal), comparable to the frame >>> size >>> of 110 film >>> > <http://en.wikipedia.org/wiki/110_film>.[3]<http://en.wikipedia.org/wiki/Micr>> > o >>> _Four_Thirds_system#cite_note-Olympus-Europe_4.2F3-2> >>> Its >>> area, ca. 220 mm?, is approximately 40% less than the >>> APS-C<http://en.wikipedia.org/wiki/APS-C> sensors >>> used in other manufacturers' DSLRs <http://en.wikipedia.org/wiki/DSLR>, >>> yet >>> is around 9 times larger than the 1/2.5" sensors typically used in >>> compact >>> digital cameras <http://en.wikipedia.org/wiki/Compact_digital_camera>. " >>> >>> -- >>> Phil Swango >> >> _______________________________________________ >> Leica Users Group. >> See http://leica-users.org/mailman/listinfo/lug for more information > > > > _______________________________________________ > Leica Users Group. > See http://leica-users.org/mailman/listinfo/lug for more information > > ------------------------------------------------------------ > Mail was checked for spam by the Freeware Edition of CleanMail. > The Freeware Edition is free for personal and non-commercial use. > You can remove this notice by purchasing a full license!