Archived posting to the Leica Users Group, 2001/03/11
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]At 7:50 PM -0500 3/10/01, Dan Cardish wrote: >I believe that the 12's coverage is 120º > >dan c. > >At 03:59 PM 10-03-01 -0800, Henning Wulff wrote: >> >>The 12 and 15 are completely different in what they can do and how >>things feel doing them. 112 degrees and 100 degrees side to side >>respectively means that you can stand in the corner of a room and get >>_all_ the walls in. I've used a 15 for over 25 years and I've had the >>12 for nearly 5 months now, but taming the 12 is still going to take >>a while. >> >>Even wider is a 35 (actual focal length 36.1mm) on 4x5. This gives >>dark corners, but it can still be quite effective. 120 degrees side >>to side, and 105 degrees top to bottom, and all rectilinear. It >>covers 6x12 easily, with some movements. >> No, the 12mm covers 112 degrees side to side, 90 degrees top to bottom and 122 degrees on the diagonal. I generally prefer to think of the angular coverage in the horizontal or vertical coverage, rather than the diagonal as it seems to make more sense in actual picture taking. - -- * Henning J. Wulff /|\ Wulff Photography & Design /###\ mailto:henningw@archiphoto.com |[ ]| http://www.archiphoto.com