Archived posting to the Leica Users Group, 2003/12/14
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]There has been much discussion about this. If the rays are parallel at the sensor the image will not be in focus on it DUH! See loads of other discussions. Olympus have recently corrected their claim. Frank On Sunday, December 14, 2003, at 04:12 pm, Eric Welch wrote: > Well, the way the lens is laid out, light rays could very well be > pretty close to parallel before they go through the last element. > Which would be consistent with their argument. The focal length has > everything to do with is. Leica's lenses are too high a number to make > the bend in that short a distance. Much shorter focal lengths, no > problem (though distortion would be in question I suppose). > > On Dec 14, 2003, at 1:26 AM, Frank Dernie wrote: > >> So much for all the bullsh*t about angle of incidence at the sensor >> then eh! If the last element is almost touching the sensor the angle >> of incidence will be very large unless, I suppose, the periphery of >> the lens element is not used but then why would it be there? > > Eric Welch > Carlsbad, CA > http://www.jphotog.com > > Lettin' the cat outta the bag is a whole lot easier'n puttin' it back. > - Will Rogers > > -- > To unsubscribe, see http://mejac.palo-alto.ca.us/leica-users/unsub.html > - -- To unsubscribe, see http://mejac.palo-alto.ca.us/leica-users/unsub.html