Archived posting to the Leica Users Group, 2003/07/31
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]>Sorry, Karen, but you are flat out wrong. There is no such thing as >accuracy being covered by depth of field. Every lens has a focusing >plane where the optical image is at its best, and even in the "cone >of light" of the depth of field (based on the standards of the photo >industry, that tends to be any part of the cone less than 1/30 of a >milimeter) the sharpness falls off as you move away from that >optimal plane of focus. Err... I don't see how the accuracy of the *RANGEFINDER* changes because of the lens you put on it. The accuracy of the rangefinder remains constant regardless of the lens. Remember, all the lens does is trigger a little cam that puts up different framelines. You can even override those framelines if you want. It's a semantic point, but the rangefinder device doesn't care what focal length lens you put on it. All it's measuring is the distance to the subject. If you can show how the rangefinder depends on the focal length of the lens for its accuracy, you've won a nobel prize there. Karen Nakamura - -- To unsubscribe, see http://mejac.palo-alto.ca.us/leica-users/unsub.html