Re: Mid Roll Change

2001-02-15 Thread Antti-Pekka Virjonen
camera know which one you insert? How about this : The imprinting uses the roll number feature, right ? Maybe you need to write the roll number on each roll when you take them off, when you wish to use this Mid Roll Change -feature. The body can remember the frame numbers for all the rolls. Jus

RE: Mid Roll Change

2001-02-13 Thread John Coyle
On Wednesday, February 14, 2001 9:35 AM, Peter Loveday [SMTP:[EMAIL PROTECTED]] wrote: > > I think, from reading the specs, that the information would be taken from > > the > > Frame 0 data, where the film number is recorded. Any information other than > > > > that and the frame number last use

Re: Mid Roll Change

2001-02-13 Thread Joseph McAllister
With benign trepidation, Peter Loveday opined on 02/13/2001 16:35: >> I think, from reading the specs, that the information would be taken from the > >> Frame 0 data, where the film number is recorded. Any information other than >> that and the frame number last used is redundant. >> An al

Re: Mid Roll Change

2001-02-13 Thread rob
I would expect that the body assigns an incremental number to each film as it is loaded, after loading the user could select a previous film number which would have exposure count stored in the body on EEPROM (memory that does not require batteries). (Or is it EPROM ???) When a previous film

Re: Mid Roll Change

2001-02-13 Thread Lasse Karlsson
Pål wrote: How does the camera know its THAT roll you insert (the one you changed mid roll) and not an entirely different roll? What if you've changed 5 rolls mid roll at different frames, how does the camera know which one you insert? ++ My intuitional (?) guess would be something s

Re: Mid Roll Change

2001-02-13 Thread Jan van Wijk
On Tue, 13 Feb 2001 18:12:05 EST, [EMAIL PROTECTED] wrote: > A thought about the MZ-S finding where it left off on a partially >exposed roll. Since the MZ-S imprints film data on the film could it than >also "read" that data (or a break in that stream of data) to determine where >the imag

Re: Mid Roll Change

2001-02-13 Thread John Francis
John Coyle wrote: > > I think, from reading the specs, that the information would be taken from the > Frame 0 data, where the film number is recorded. Any information other than > that and the frame number last used is redundant. > An alternative is, that if the frame imprinting had been switche

Re: Mid Roll Change

2001-02-13 Thread Pål Jensen
> on 2/11/01 6:19 PM, Doug Brewer at [EMAIL PROTECTED] wrote: > > > Not just Mid roll film rewind, but MID ROLL EXCHANGE > > (rewind early, leave leader out and later, insert that > > roll and camera can automatically return it to the > > frame from which it was initially rewound) How does the

Re: Mid Roll Change

2001-02-13 Thread John Francis
Peter Loveday wrote: > > I guess it could 'remember' frame number for one film, so as to allow you > to alternate between two. Or, given DX coding, it could remember frame > numbers for several, as long as they all were different ASA on each one. > Actually, the DX code not only identifies ASA b

Re: Mid Roll Change

2001-02-13 Thread Peter Loveday
> Accurate frame positioning may be done perhaps with the sprocket hole count > or something, but I can not immediately figure out how the camera can > "remember" the frame number of the particular film which was changed mid > roll. If it could, it may have something to do with the data imprint b