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. ]
>>
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>
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--
Henning J. Wulff
Wulff Photography & Design
mailto:henningw at archiphoto.com
http://www.archiphoto.com