Archived posting to the Leica Users Group, 1999/09/28
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]Focused at infinity the image on film is larger by about 3 frameline widths. For a 90 mm you place 3 frameline widths on every side of the 90 mm frame. So indeed at infinity a 90 mm lens produces an image on film the size of the 75 mm frame. The outer edges of the framelines show the image on film when focused at 2 meters (approx. 6'6"). Bert K.