Site Sponsor Robert Houllahan Posted May 1, 2023 Site Sponsor Share Posted May 1, 2023 HI I put this academy standard countdown leader together and recorded it to 16mm. I have both 2.5K and 5K scans of it freely available. 5K Scan: https://drive.google.com/file/d/1nOw8Jga41eSlQvwgD7fA2-7xsXVH0QAJ/view?usp=share_link 2.5K Scan: https://drive.google.com/file/d/1nU3RRve3KJe5nu6SBeAhPQiSlnVKVMhP/view?usp=share_link 1 Link to comment Share on other sites More sharing options...
Premium Member Phil Rhodes Posted May 2, 2023 Premium Member Share Posted May 2, 2023 That is some amazingly steady 16mm. 1 Link to comment Share on other sites More sharing options...
Dennis Toeppen Posted May 2, 2023 Share Posted May 2, 2023 Subliminal seduction ? 1 Link to comment Share on other sites More sharing options...
Premium Member Stephen Perera Posted May 2, 2023 Premium Member Share Posted May 2, 2023 looks great! thanks for posting 1 Link to comment Share on other sites More sharing options...
Site Sponsor Robert Houllahan Posted May 2, 2023 Author Site Sponsor Share Posted May 2, 2023 13 hours ago, Phil Rhodes said: That is some amazingly steady 16mm. I built the 16mm recorder V3 around a Mitchell 16mm pin registered camera for best possible steadiness. I am building a 35mm version which I hope to possibly use a 8K D-ILA (LcOS) imager for but will probably start with a Eizo medical imaging panel first. 1 Link to comment Share on other sites More sharing options...
Premium Member David Sekanina Posted May 2, 2023 Premium Member Share Posted May 2, 2023 Really impressive Robert! Link to comment Share on other sites More sharing options...
Site Sponsor Robert Houllahan Posted May 2, 2023 Author Site Sponsor Share Posted May 2, 2023 1 hour ago, David Sekanina said: Really impressive Robert! Thanks the 16mm film recorder has really come along nicely if I can say so myself ? I have more refinement to do on the software side but pretty decent now in Version 3 Working on a 35mm version now in addition to the aging Arrilaser(s) and the Imagica recorders I have. Link to comment Share on other sites More sharing options...
Premium Member Stephen Perera Posted May 3, 2023 Premium Member Share Posted May 3, 2023 Ive just realised I don't know what this is used for please explain!!! other than it looks good!! Link to comment Share on other sites More sharing options...
Mark Dunn Posted May 3, 2023 Share Posted May 3, 2023 (edited) 3 hours ago, Stephen Perera said: Ive just realised I don't know what this is used for please explain!!! other than it looks good!! It's a standard leader that goes directly before the first frame of the reel, so you know it hasn't been damaged and cut short. If there's sound on the print there's a "pop"- one frame of 1KHz sine wave- on the first (and only) frame of the number 2. The last two seconds are blank in case a reel changeover is late- only black film is projected, rather than the countdown. There are 24 frames of each number- back in the day Academy leaders had 16 frames (16 frames is one foot of 35mm) so they ran faster. Edited May 3, 2023 by Mark Dunn 1 Link to comment Share on other sites More sharing options...
Premium Member Stephen Perera Posted May 3, 2023 Premium Member Share Posted May 3, 2023 thanks Mark appreciate the explanation Link to comment Share on other sites More sharing options...
Premium Member Frank Wylie Posted May 3, 2023 Premium Member Share Posted May 3, 2023 (edited) Countdown leaders were integral to the dual projector, "change-over" system of cinemas for classic screenings of reels of 1 to 2K feet each. (greatly simplified, many variations on the below) The projectionist would park the 2nd reel of the show on the #2 projector somewhere around the 9 or 7 second mark on the countdown while the first roll was playing. The projector lamp house shutter (dowser) would be closed, blocking the light of the projection carbons/bulb. When the first reel was just about finished, they would check the #2 projector lamp to insure it was up to full brightness and start watching the screen. When the first set of changeover queues appeared on the screen, the #2 projector was started and the projectionist got ready to close the dowser on the #1 projector and open it on the #2 projector. On the second set, the switch was made. Often these "change-over" system were electronic with a solenoid on each dowser, as well as the sound system to change to the #2 projector sound reader. Below is an example of the marker used establish the changeover queues with the instruction sheet. 0852_001.pdf Edited May 3, 2023 by Frank Wylie 1 1 Link to comment Share on other sites More sharing options...
Premium Member Stephen Perera Posted May 3, 2023 Premium Member Share Posted May 3, 2023 very very interesting thank you.....my father was a projectionist of 16mm films for a little film club locally that used the theatre where he worked that also had book library and a record library.....so I remember him using the splicer and the glue and I was with him in the booth often...... Link to comment Share on other sites More sharing options...
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