Archived posting to the Leica Users Group, 2015/04/03
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]You can put the back on a Linhof Technica backwards and it still works, except that the film is a little further away from the ground glass. So far as I know, this only happens when you have not packed your Polaroid holder for a two-week trip. Ask me how I know... Ken On 4/3/2015 4:52 PM, Robert Adler wrote: > Mark, > Not going to go there with you after this email. > > Digital sensors are much flatter and, therefore, less forgiving, than film. > So lens precision and sensor placement is much more sensitive and important > than when we shot film. That's why Alpa provides 0.01mm shims for it's > digital back mounts to it's camera. You adjust the distance of the sensor > from the lens by 0.01mm to get the back exactly placed. A 0.01mm difference > is very noticeable to the eye. So digital precision is more important than > you seem to realize. Thus the term "digital precision". > > If you want to "look it up" look no further than here: > http://www.alpa.ch/en/support/photographic-know-how/can-i-fine-tune-the-adjustable-adpaters-for-digital-use.html > or here: > https://www.youtube.com/user/OptechsDigital > > As for the rest of your email, I have no idea what you're talking about... > Seems to have zero relevance to the initial thread or my responses... > Best, > Bob > >