tom lombard Posted June 4, 2019 Share Posted June 4, 2019 https://en.wikipedia.org/wiki/Bolex - " The single lens port H-16 M(arine) was made in conjunction with the first underwater housing." I hadn't seen reference previously to what the M stands for on one on my Bolex http://www.bolexcollector.com/cameras/h16m.html Is this accurate? Does the M stand for Marine? Link to comment Share on other sites More sharing options...
Premium Member Simon Wyss Posted June 5, 2019 Premium Member Share Posted June 5, 2019 That’s what I had thought myself but M means Monoptique or Monoptic. The M model has a shutter of 144 degrees opening angle which suits filming off TV screens. Also, the shutter edges are inclined, not radial. Paillard sought to enter that bigger market that evolved during the fifties in the U. S., television functioning off 60 Hz mains at 30 fps. A film movie camera running at 24 fps and equipped with the mentioned shutter fits. The only things yet needed are a synchronous electric motor and a phase shifter. How the absence of a black bar was verified with the setup I can’t tell. Link to comment Share on other sites More sharing options...
Webster Colcord Posted September 16, 2019 Share Posted September 16, 2019 Very interesting, I had no idea about the difference in the shutter. I love my Bolex M and it has always produced great results but was also a bit of a mystery. My model has the flat base and 1-1 gear like the RX-4. Link to comment Share on other sites More sharing options...
Premium Member Simon Wyss Posted September 17, 2019 Premium Member Share Posted September 17, 2019 The underwater thing was just plainly stupid of Paillard. Under water you want a camera with the widest shutter opening possible. The early models up to serial number 100,400 have a 190 degrees shutter opening angle. Link to comment Share on other sites More sharing options...
Gregg MacPherson Posted September 17, 2019 Share Posted September 17, 2019 On 6/5/2019 at 5:13 PM, Simon Wyss said: That’s what I had thought myself but M means Monoptique or Monoptic. The M model has a shutter of 144 degrees opening angle which suits filming off TV screens. Also, the shutter edges are inclined, not radial. Paillard sought to enter that bigger market that evolved during the fifties in the U. S., television functioning off 60 Hz mains at 30 fps. A film movie camera running at 24 fps and equipped with the mentioned shutter fits. The only things yet needed are a synchronous electric motor and a phase shifter. How the absence of a black bar was verified with the setup I can’t tell. Hey Simon, If one can see a black bar half way up the screen while the camera rolls, then the shutter is probably as far away from the worst place as it can be during the exposure. Yes...? Link to comment Share on other sites More sharing options...
Premium Member Simon Wyss Posted September 17, 2019 Premium Member Share Posted September 17, 2019 It will be in the worst place and need to be pushed out the frame. Link to comment Share on other sites More sharing options...
Gregg MacPherson Posted September 17, 2019 Share Posted September 17, 2019 Sorry, I don't know where that idea came from. Daydreaming about cameras with spinning mirrors I suppose. Not paying attention. Sorry. Link to comment Share on other sites More sharing options...
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