“Almost like a real web site”

Search | Contact
News | e-News |
Rumour Mill | Stories
Foreign Language
in70mm.com auf Deutsch


Todd-AO Festival
KRRR! 7OMM Seminar
GIFF 70, Gentofte
Oslo 7OMM Festival
Widescreen Weekend

Premiere | Films
People | Equipment
Library | Cinemas
Todd-AO Projector
Distortion Correcting

Ultra Panavision 70
Super Panavision 70

1926 Natural Vision
1929 Grandeur
1930 Magnifilm
1930 Realife
1930 Vitascope
1952 Cinerama
1953 CinemaScope
1955 Todd-AO
1955 Circle Vision 360
1956 CinemaScope 55
1957 Ultra Panavision 70
1958 Cinemiracle
1958 Kinopanorama
1959 Super Panavision 70
1959 Super Technirama 70
1960 Smell-O-Vision
1961 Sovscope 70
Cinerama 360
1962 MCS-70
1963 70mm Blow Up
1963 Circarama
1963 Circlorama
1966 Dimension 150
1967 DEFA 70
1967 Pik-A-Movie
1970 IMAX / Omnimax
1974 Cinema 180
1976 Dolby Stereo
1984 Showscan
1984 Swissorama
1986 iWERKS
1989 ARRI 765
1990 CDS
1994 DTS / Datasat
2001 Super Dimension 70
2018 Magellan 65

Various Large format | 70mm to 3-strip | 3-strip to 70mm | Specialty Large Format | Special Effects in 65mm | ARC-120 | Super Dimension 70Early Large Format
7OMM Premiere in Chronological Order


Australia | Brazil
Canada | Denmark
England | France
Germany | Iran
Mexico | Norway
Sweden | Turkey

7OMM Projectors
People | Eulogy
65mm/70mm Workshop
The 7OMM Newsletter
Back issue | PDF
Academy of the WSW

• 2026 | 2025 | 2024
2023 | 2022 | 2021
2020 | 2019 | 2018
2017 | 2016 | 2015
2014 | 2013 | 2012
2011 | 2010 | 2009
2008 | 2007 | 2006
2005 | 2004 | 2003
2002 | 2001 | 2000
1999 | 1998 | 1997
1996 | 1995 | 1994

in70mm.com Mission:
• To record the history of the large format movies and the 70mm cinemas as remembered by the people who worked with the films. Both during making and during running the films in projection rooms and as the audience, looking at the curved screen.
in70mm.com, a unique internet based magazine, with articles about 70mm cinemas, 70mm people, 70mm films, 70mm sound, 70mm film credits, 70mm history and 70mm technology. Readers and fans of 70mm are always welcome to contribute.

Disclaimer | Updates
Support us
Table of Content

Extracts and longer parts of in70mm.com may be reprinted with the written permission from the editor.
Copyright © 1800 - 2070. All rights reserved.

Visit biografmuseet.dk about Danish cinemas


Ronald Rosbeek in Conversation
A life time with film and projectors
in the cinema industry

The 70mm Newsletter
Interviewed by: Thomas Hauerslev during the 15th Todd-AO Festival, 2019. Transcribed for in70mm.com by Mette Petersen. Date: 28.03.2020
Emmy Rosbeek-Heida and Ronald Rosbeek at the Schauburg Cinerama in Karlsruhe, Germany, October 2019. Image by Thomas Hauerslev

Thomas Hauerslev: When were you born and how did you become involved with cinema?

Ronald Rosbeek: I was born in 1953 in The Hague in the Netherlands. Technical things, construction and fine mechanics always fascinated me. During my studies in mechanical engineering, I worked at General Motors for a year to gain practical experience. During that period I also worked as a projectionist. The celluloid virus took possession of me in that theater. From the beginning I was hooked by film and by the presentation.

After I had completed the final theory part of my studies, I continued to work in that theater. Fortunately my then-employer, Mr. Schaap, gave me every opportunity to develop myself in the specific technique of cinema. I soon advanced to become the projectionist, and after a year or so I became involved with the technical side of cinema. That was the first time I met Mr. Cas Kessler. It was in 1973, I think, and I was only 21-22 after I completed my studies. The now ninety-year-old Mr Kessler, then an employee at Philips, had a huge influence on my technical development. Via Mr. Kessler I finally became friends with Mr. Jan Kotte who had retired at that time.  In fact, I have been lucky that all my employers have given me the space to develop myself.

I enjoyed my work as a projectionist in the Roxy theater in The Hague. It was a small, single screen cinema with 550 seats. It was an old cinema built prior to World War II. The booth was up very high, due to the the size of the machines, the carbon arc lamps. I have a 35mm news-reel, where you see the re-opening of the cinema in 1948 and my employer at that time. Of course I wasn't there at that time. I came 20 years later.

THa: What was it that appealed to you to become a projectionist?

Ronald: Yes, that is difficult to say. Maybe the idea that you are in control of the evening and of the people downstairs? Maybe that? But it was the whole ambience, the sound and colors. Of course it was the time when many of the films were printed in Technicolor. It was a theatre which ran midnight shows. Western movies. Sergio Leone with the close-ups, with the actors as big as this [Ronald stretching his arms out]. I was so intrigued with that, and the technique involved.

THa: How many years did you stay as a projectionist, and how did your interest in cinema evolve into becoming a cinema technician?

Ronald: I was fortunate because my employer gave me the space to work on the machines. He did not limit me, and at that time I got in touch with the cinema technician Cas Kessler. Mr. Kessler was my first contact and there was a click between us and he became my friend. If I had questions, he always gave me the answers. It was early '70s and it was the beginning of automation of cinemas. I was intrigued by that, and around that time I got my big break because I already had rebuilt the Roxy's lamp houses from carbon arc to xenon. The premiere of "Jaws" in Rotterdam was approaching, and the Philips technician Mr. Berman, was ill or something, and then Mr. Cas Kessler asked me:

"You have already rebuilt the Roxy machines with xenon. Do you want to go to the Calypso cinema in Rotterdam with the head of Philips and do the rebuilding, because we can't do it at the moment?"


More in 70mm reading:

A Brief History of Philips Cinema

Jan Jacob Kotte

DP70s in Holland

Amsterdam 70mm Cinema History

Wide Visit With Willem Bouwmeester

Internet link:

Rosbeek Techniek
Sir Winston Churchilllaan 309
2287 AA Rijswijk

+31-(0) 70-3194071
+31-(0) 6-53334165


The master himself on the job in December 2019 installing two DP70s with three-blade shutters at the Swedish Film Archive's projection room. Picture by Emmy Rosbeek-Heida

Suddenly I could smell the big world outside my own two small cinemas. The world was open, but my employer was not so happy with that, however. He told my parents, "Ronald will go away, because I know I can't keep him here", and that was what happened.

THa: Did work as a "cinema technician" become your way of living?

Ronald: Yes, 100%, and it still is.

THa: How was the cinema technician business organized in Holland during the '70s?

Ronald: After completing the rebuilding of the Calypso cinema in Rotterdam for "Jaws", then Deck Cinema, a cinema chain, was called Meerburg Theaters, which ran 45 theatres all over Holland. Maintenance was terrible at that time. They lost a lot of shows and the management of Meerburg Theaters realized that something had to be changed so they wanted their own technical department. They knew me and asked:

 “Do you want to work for us”?

I was very young, 23 or so and I was very honored that a big cinema chain asked me. Of course I said yes but I needed a lot of equipment and a space to work. In the Asta theater in The Hague there was unused office space which I could use as a workshop. I got the freedom to buy everything I needed, from mechanical equipment to electronics. I was very lucky, and it all went well. This was also the time that many new small cinemas were built.

After several years the chain was taken over by the Cannon group. Two Jewish guys made a lot of money in the production world with films as: “Lemon Popsicle” and decided to buy as many cinemas as possible. The two guys Menahem Golan and Yoram Globus were called by us ”Globus and Bullocks”. To be honest, the new situation did not change for me very much and I worked for them until 1989 when Cannon went bankrupt and was taken over by the French Pathé group. The [Pathé] cinema chain also had the dealership of Cinemeccanica [projectors], and when the French arrived, they said:

"-, well, we are cinema owners, we show films, and sell tickets and candy bars. No computers, no technical staff. If we need a technician, we will call you."

That was the moment when I went to Mr. Lauge Nielsen, a Danish guy, the CEO of the Pathé company and I said,

"Well Mr. Nielsen, in the end you want to get rid of us and I'd like to have my own company. If you help me to leave the company with work, then we are all happy, because you get rid of us and I have my own company..."

-, and he did. So I left Pathé, and with a colleague, we built our own company which we called "Movietech". We had our company and the dealership of Cinemeccanica, which we inherited from Pathé.

I started the company with him, but it turned out he was cheating me. My secretary discovered what was going on, and in December 2004 I started my own company "Rosbeek Techniek". My secretary went with me after she found out what happened. From Mr Victor Nicelli in Milan (Italy), I got the dealership of Cinemeccanica projectors. It was a good agreement, but my heart had always been with Philips and Kinoton. Two or three years later Kinoton's Mr. Lutz Schmidt approached me

-, "are you interested in a dealership?"

-, and I thought, well that is great to be the dealer for Cinemeccanica and for Kinoton, but was never going to happen. Cinemeccanica terminated our agreement. I wasn't very sad about that, because the Kinoton dealership was by far my favorite. "Rosbeek Techniek" is now located in Rijswijk, very close to The Hague in the Netherlands. It is actually in my house, and I have a workshop just around the corner.

DP70 servo motor which steadies the image of the projector very well. Picture by Emmy Rosbeek-Heida

THa: How would you describe your company? What do you do?

Ronald: From the beginning it was mainly installation work which paid very well, and I was getting good money, but installation work is not my favorite. I like to develop things. So, when the digital came in, they asked me to work with digital cinema. I had to ask myself "What do I want to do?". Of course, to begin with, I replaced all the [film] machines ... and then what? Cleaning filters with the vacuum cleaner, and put in new software. Is that my profession? Did I get an education of many years, for cleaning filters? Is that what it is? I compare it a little bit with a skilled watch maker, who goes to work in a shop and is only replacing batteries all the time. So, if you have learned to repair a Rolex, you don't want to be the battery replacement guy.

Instead, in the small world of analog cinema, I met people like Jan Olsen and Torkell Sætervadet [from Norway] and those kind of guys. I found there was a small business for me developing new things for analogue film projectors because I think I was the only one in Holland and abroad to do it. I still am, as far as I know.

THa: What kind of things do you develop, if you can mention a couple of things?

Ronald: As an example, I have developed new red light readers for analogue sound on 35mm film. I have a private collection of projectors and I had rebuilt my two Bauer B12s with red light readers. My collection of film titles dates back to the late '40s. When I was listening to the old movies, I discovered that the sound was not what I remembered. It sounded like shit. Some films were worse than others. A red-light reader that was only considered as a "shitty" analog back-up for the digital soundtrack, because "everything" was going to be digital when DTS, SR.D and SDDS arrived on the the commercial market. Nobody was very interested in analogue quality of older films at that time. They didn't care. I wanted to improve that. Which I do now.
Ronald Rosbeek at the Schauburg Cinerama in Karlsruhe, Germany, October 2019. Image by Thomas Hauerslev

THa: You have talked about Philips projectors, because I know you have a project with the three-bladed shutters. Do you have any special feelings for the DP70?

Ronald: I knew Mr. Kotte. Unfortunately, not for a very long period, but he visited me regularly with Mr. Kessler in my workshop. When I worked for the first company, it was in the Asta Theatre in The Hague. I had my workshop there and Mr Kotte and Mr. Kessler came there two or three times a year and there we had some nice lunches. They came over on the train. And it was always nice and in the Netherlands there was also a Dutch club of cinema technicians called NGF. He was also a member of that.

I am 66 now and I have never met a guy who knew so much about everything like Mr. Kotte did. It was unbelievable. Actually, if you saw a part on a machine and wanted to know "how did you make that?". If you asked Mr. Kotte that question you would get a reply of three hours, and everything he said was interesting. Every thing! He knew so much about materials. If I could afford it I would spend three years with him, and only for listening to him. He was a fountain of knowledge. And another thing I must tell about him, is very special, because in Eindhoven, of course in the south of Holland is very Catholic, and then you have here God and there is Mr. Kotte [with his arms gesturing above God]. It is true. In the factory, where people were operating a lathe or a drilling machine, he knew them all by name. He knew everybody, and he would ask them:

How is your daughter?

-, because he knew about the broken leg or whatever. He asked for it, and he was a very nice person.

THa: Did you ever work for Philips?

Ronald: Not officially.

THa: Indirectly?

Ronald: Yes many times.

Ronald Rosbeek installed two DP70 at the Nederland Filmmuseum in Amsterdam. Operational from 1. October 1991. Machines (2394+2398) came from Philips Division Centre Eindhoven, Holland. Image by Thomas Hauerslev, 1994.

THa: Where are Rosbeek Techniek's customers located? Do you have customers in Holland only, or is it everywhere?

Ronald: I don't want to go into the commercial cinemas anymore, because it was never my world. After contact with Jan Olsen and Torkell Sætervadet I discovered another world with people who are really interested in showing films with a high quality, and you can talk at some level with them.

• Go to On the Trail of "Windjammer" - A Visit to Oslo

If you talk with cinema owners, and because I can be very enthusiastic when I discuss something, you can see the next question on their face: "What does it cost?". Because that is the only thing they are interested in. It is fine, but not for me.

When people ask me to upgrade a sound reader to have multiple light sources for example, then I have to develop that because that was never done before. Besides that, I can not fall back on other technicians or literature, because nobody is working in that area. So for new developments, I can only give an estimate price. It is also a matter of trust and therefore is it important that you build a relationship with people. I’m not a big “money maker” but on the other hand I have all the equipment and third parties working for me, and I have to cover those expenses one way or the other.

Organisations I’m now working for are: BFI London (upgrading optical readers to white and IR light switchable), Academy Los Angeles (replacement standard motors to servo direct drive, 24V fast dowsers and upgrade optical readers to white and IR light switchable), Egyptian Theater (upgrade optical reader to red and white light) older version, Austrian Film Museum (upgrade optical reader to white and IR light switchable), Swedish Film Archive (rebuild DP70 and full maintenance analog equipment, Norwegian Film Institute (full rebuild analog equipment), Filmhouse Cinema Edinburgh (upgrade optical reader to white and IR light switchable).
DP70 with three-blade shutter designed by Rosbeek Techniek. Picture by Emmy Rosbeek-Heida

About thirty years ago somebody from the Dutch Filmmuseum, now EYE Filmmuseum Amsterdam, approached me and asked if I knew two good working DP70 projectors. Via Mr. Kessler I was able to buy the two machines from the Philips Division Centre in Eindhoven, because that building was going to be demolished. I made a deal with EYE and since that time those machines are still in use at that new location.

• Go to DP70s in Holland
• Go to Amsterdam 70mm Cinema History

From EYE many times came the question:

“Is it possible to convert those machines to a three blade shutter so we can use them for our silent collection”

But as we all know, such conversion seems almost impossible because of the construction of the machine. But the idea of finding a way to realize this never left my thoughts all those years. I spent many hours in finding a way but it took several decades to get to the “eureka” moment. And for my idea it should have the 100% approval of Mr. Kotte, the designer of the DP70, whom I have known quite well.

About three decades later I had been working for the Swedish Film Achieve. In the biggest auditorium two Kinoton FP75E had been installed. After several years of good working, the problems came on. Kinoton had stopped the support of those machines and I advised their technical manager Mr. Jerry Axelsson to replace both machines in the future. By some coincidence I was able to get a very nice pair of DP70’s from a cinema in the Netherlands. The management of the Swedish archive was interested but they were very clear about the performance of the new projectors. They want the same image quality as with the FP75E projectors. A very important part of their collection is silent films, so the possibility was two DP70’s and two other machines with three blade shutter so they have four projectors in the booth (which is far from ideal) or converting the DP70 projectors.

On my way back to the Netherlands, I got an idea to realize this conversion and fortunately the Swedish archive was able to pay me a part of the money upfront which I needed to make the construction. After about one year of calculations, testings and sleepless nights, I could send two totally rebuilt machines to Sweden. Axelsson wanted the best possible result so both machine are equipped with direct drive servo motors, fast 24 volt dowsers, analog and digital sound heads and of-course the newly developed shutter construction. At the end everybody is very happy with the result and at the end of May 2020 I’m going to rebuild both machines in Oslo.

THa: What do you think about 70mm and what does it mean to you?

Ronald: "70mm" is not my particular interest with films. What I like about analog projection, maybe sounds a little bit strange, but I like the imperfections. They are always there. I like the hiss of the magnetic sound. The little bit of instability of the frame. I hate digital technique, that they use to remove the lines of Cinerama film. I think that is the attraction for me. I am only talking for myself, for me those artefacts are there, so I hate it when they take them away, because then it is just a bad film. That is all that is left.

THa: What do you think of the Schauburg cinema?

Ronald: I think it is very good. I think that the screen has a very deep curve, but I did not discover any unsharpness and the light it is very good, so I have not the slightest complaint.

THa: Thank you

Ronald: You are welcome
Go: back - top - back issues - news index
Updated 21-01-24