Archived posting to the Leica Users Group, 2008/03/29
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]That explains quite a bit. I have noticed something else though, sometimes (I noticed this with a portrait done with the Noctilux) the frames are not equally conservative on top and in the bottom. If it's 10% for the top frame, it must have been 5% for the bottom frame... All the best from the south of France! Tarek ------------------------------------------------- Tarek Charara <http://www.pix-that-stimulate.com> Le 29 mars 08 ? 00:37, Geoff Hopkinson a ?crit : > Hi again Henning. As I noted, my initial experience with the frame- > lines > being conservative was with the 28, 35 and 50 lengths. I found the > Leica > reference that confirms your information. The lines approximate the > viewing > angle at the minimum distance for the focal length selected. Leica > says that > the 28mm will have approx 9% of the image outside the 18x27mm frame at > infinity. 23% outside the frame for a 90mm at infinity. > Correspondingly less > then, as the shooting distance gets closer to the minimum focus > distance. > The quoted difference for an M7 and the 28 is exactly the same. The M7 > frames approximate a FoV of 23x35mm (about a mounted slide). > So all of the M8 users, including me, that are seeing the conservative > frame-line effect are seeing exactly what their film Ms did with > the same > lenses. The differences then, are that we get immediate feedback if > we are > looking at the LCD and I would think, more room for parallax error > due to > the lower magnification. Cool, another bit of knowledge to squirrel > away. > The more I learn about this M8, the more impressed I am with its > performance. > > Cheers > Geoff > http://www.pbase.com/hoppyman/e > http://gallery.leica-users.org/v/gh/