"There is no spoon" 2010/1/7 J.C. O'Connell <[email protected]>: > there is no "true normal", normal is not an exact defintion of a focal > length, and 50mm was what came with many many slrs for many years, one > could argue that that was "normal", not 43mm or 55mm > on film > -- > J.C. O'Connell (mailto:[email protected]) > Join the CD PLAYER & DISC Discussions : > http://tech.groups.yahoo.com/group/cdplayers/ > http://launch.groups.yahoo.com/group/cdsound/ > > > -----Original Message----- > From: [email protected] [mailto:[email protected]] On Behalf Of > Adam Maas > Sent: Wednesday, January 06, 2010 7:21 PM > To: Pentax-Discuss Mail List > Subject: Re: Wide angle for K-X? > > > On Wed, Jan 6, 2010 at 3:47 PM, J.C. O'Connell <[email protected]> > wrote: >> right on the 35, but the 28 is wider than most >> anything called normal in the old days, I recall >> when 55mm on 35mm film was "normal". Regardless, >> the K24/3.5 is pretty damn good too, which I forgot >> to mention... >> >> -- >> J.C. O'Connell (mailto:[email protected]) > > 28mm is a 42mm-e on APS-C, pretty much exactly the same as Pentax's 43mm > 'true normal' and right on the 40-45mm normal range that was typical for > fixed-lens RF's and P&S's back in the day as well as being moderately > common in SLR's from the mid-70's on. A 35 is a long normal on APS-C. > > 55mm as a normal was only ever an abberation of 60's SLR designs, as it > was a bit easier to design for a SLR mount than 50mm that had been the > the 'normal' for 35mm since the original Leica was introduced in the > late 1920's. Many systems never even had a 55 normal or only had exotic > 55's (usually an f1.2 or a macro). 55's as the standard on SLR's only > lasted about 15 years from the early 60's to the late 70's, which was > also when 40's and 45's became increasingly common as normals from > Leica, Minolta, Nikon, Zeiss (Contax) Olympus and Pentax. Canon, Olympus > and Nikon only did exotic 55's. > > 35mm has traditionally had a longer normal than other formats, due to > Oskar Barnack's taste in lenses. > > -- > M. Adam Maas > http://www.mawz.ca > Explorations of the City Around Us. > > -- > PDML Pentax-Discuss Mail List > [email protected] > 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 > [email protected] > http://pdml.net/mailman/listinfo/pdml_pdml.net > to UNSUBSCRIBE from the PDML, please visit the link directly above and follow > the directions. >
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