Archived posting to the Leica Users Group, 2016/06/22
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]I think 645 was called medium format because it used medium format film, not because of the frame size. from my iPad Sonny Carter > On Jun 22, 2016, at 8:17 PM, Frank Verizon 2 2016 <red735i at verizon.net> > wrote: > > Sometime in the long ago, some marketing guy thought the rather obscure > 645 size ( remember the A16 Hassy back?) was MF. At that time, there was > 6x6 and 645. ( and 6x7; 6x9; and even 6x8). All the numbers referred to > film size in mm. They all used a common 120 film size. > Then someone thought that 6x6 was a dead end and there were no more 6x6 > cameras being made. They were all 645....the other sizes went dead. > So magically, 645 became the MF standard (and only size). > With the advent of digital, 645 became a ratio (4:3), not a mm size, and > so now we have digital MF sensors that measure 44x33mm > > There are larger sensors.... But none measure 56x56 mm, the old time MF > standard > > We can only hope some sensor in the future will measure 56x56mm. My CF > lenses will cover the sensor, easily. > > Frank > > > Sent from my iPad > > On Jun 22, 2016, at 6:58 PM, lluisripollphotography > <lluisripollphotography at gmail.com> wrote: > > Neither for me I think, I don?t like operate on cameras in Menu mode > neither with EVF, on the other hand this one is not exactly a MF camera, > IMHO it is equivalent to a smaller 4,5 x 6, the CMOS sensor is 43.8 ? > 32.9mm, for me the true MF (at least in film) is 60 x 60 mm (2 1/4" x 2 > 1/4?). > > Lluis > > > > >> El 22 juny 2016, a les 23:16, Frank Verizon 2 2016 <red735i at >> verizon.net> va escriure: >> >> Appears to be a Leica SL on steroids, at a discount store price. >> Does 2 lenses sound familiar? >> No zoom yet, no H lens adapter yet. >> Fully electronic lens to body connections mean that CF,C, and F lenses >> will not work, unless they make a special adapter available >> >> It is substantially lighter than my Leaf + 500CM system, a good thing. >> >> I am unconvinced it is a path for me. >> >> Frank Filippone >> >> <http://www.hasselblad.com/x1d> >> >> >> >> _______________________________________________ >> 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 > > _______________________________________________ > Leica Users Group. > See http://leica-users.org/mailman/listinfo/lug for more information