Archived posting to the Leica Users Group, 2011/07/07
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]At 11:42 PM -0700 7/6/11, Bob Adler wrote: >My P45+ stitched in portrait orientation (18mm shift on each side) >with the 35mm lens gives a rough equivalent of a medium format >17.5mm lens. That translates into what, about a 12mm rectilinear >35mm equivalent? That will give you a 35mm lens for a 49.1mm x 72.8mm format. That's 17mm equivalent in 35mm, not 12. To get the equivalent angle of view of a 12mm lens, you'd have to be shooting with a 24mm lens on your setup, and do the shift. > >And you want what? >See: >http://www.rgaphoto.com/GT/content/Valley_View_Pano_W_large.html > >This image is from 3 main segments produced by using 3 back shifts >with a portrait oriented P45+ and 35mm lens, for each segment. The 3 >back shifts of each segment were stitched together from the images >of the 35mm lens shifted in portrait orientation. This roughly >equates to the view of each of the 3 segments equaling the field of >view of a 17.5mm medium format lens/ 12mm lens on a 35mm format >system. 3of these were stitched(swinging the camera on a panoramic >head) to give the image. It was then cropped. The file is over 2.2GB. > >Give me a place to stand and I will hang this image! > >In all seriousness there are some correctly stated and some >overstated items in this expose. But all in all, medium format for >landscapes is at a really nice place right now... > >Anyone want to buy some Hassy V and Canon equip? :-) >Bob > >Bob Adler >http://www.rgaphoto.com > >On Jul 6, 2011, at 9:25 PM, Richard Man <richard at imagecraft.com> wrote: > >> My pipe dream is that someone, well, Fuji specifically :-) would make a >> >> 18x49mm sensor, and build a digital RF system for it. The sensor size is >> just about the same size as the "full frame" 35mm, so the technology and >> cost is known (remember that full frame Canon and Sony are as "low" as >> $2500). >> >> The result would of course be a cropped digital XPan. The lens should be >> much easier to design - heck, lets make them all F2.8 while we are at it. >> >> Sell the whole system with 3 lens (30, 45 and 90 equivalent) for $10,000 >> to >> $12,000, and I bet they will sell at least as many of that as Pentax >> 645D. >> >> >> >> >> -- >> // richard <http://www.imagecraft.com/> >> // icc blog: <http://imagecraft.com/blog/> >> // richard's personal photo blog: <http://www.5pmlight.com> >> [ For technical support on ImageCraft products, please include all >> previous >> replies in your msgs. ] >> >> _______________________________________________ >> 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 -- Henning J. Wulff Wulff Photography & Design mailto:henningw at archiphoto.com http://www.archiphoto.com