Archived posting to the Leica Users Group, 2000/09/11
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]In a message dated 9/11/00 9:29:59 AM Eastern Daylight Time, jem.kime@cwcom.net writes: << Having no sprockets to drive the film, the motorised collecting spool needs to be told when to stop rotating. >> The only drawback of which I have heard is that such optical sensors usually employ infrared light and often, but not always, prevent the effective use of infrared film. This may have been true only in earlier designs, however. Joe Sobel