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Author Topic: Dual projector with optical sound?
Luigi Castellitto
Jedi Master Film Handler

Posts: 679
From: Campobasso, Italy
Registered: Jun 2013


 - posted November 12, 2017 06:47 PM      Profile for Luigi Castellitto   Email Luigi Castellitto   Send New Private Message       Edit/Delete Post 
Exists a projector that have optical and magnetic sound for Super 8 and a dual option for the two gauge, so magnetic sound of Normal 8?

Optical sound for both gauge in same projector does't exist, maybe, because the optical sound for Normal 8 is a very different technical method.

Thank you.

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Dominique De Bast
Film God

Posts: 4280
From: Brussels, Belgium
Registered: Jun 2013


 - posted November 13, 2017 04:25 AM      Profile for Dominique De Bast   Email Dominique De Bast   Send New Private Message       Edit/Delete Post 
I have never heard of a dual projector that can play optical and magnetic sound. I would think that optical 8 mm films are so rare that no projector manufacturer ever thought of creating such a machine. I'm not sure that there has been so many 8 mm optical projectors. I only know the Fumeo. In super 8, however, as you know, you have more choice...

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Dominique

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Maurice Leakey
Film God

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From: Bristol. United Kingdom
Registered: Oct 2007


 - posted November 13, 2017 06:02 AM      Profile for Maurice Leakey   Email Maurice Leakey   Send New Private Message       Edit/Delete Post 
Wikipedia, when referring to Normal 8mm film says:-
"Optical sound was never specified as the format had insufficient space for an optical track".

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Maurice

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Dominique De Bast
Film God

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From: Brussels, Belgium
Registered: Jun 2013


 - posted November 13, 2017 06:09 AM      Profile for Dominique De Bast   Email Dominique De Bast   Send New Private Message       Edit/Delete Post 
Maurice, I remember a thread about that. 8 mm optical sound films were mentionned but I cannot find it back.

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Dominique

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Maurice Leakey
Film God

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From: Bristol. United Kingdom
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 - posted November 13, 2017 06:26 AM      Profile for Maurice Leakey   Email Maurice Leakey   Send New Private Message       Edit/Delete Post 
Dominique
Is this what you were looking for?
http://8mmforum.film-tech.com/cgi-bin/ubb/ultimatebb.cgi?ubb=get_topic;f=1;t=006953#000000

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Maurice

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Fabrizio Mosca
Master Film Handler

Posts: 344
From: Milano, Italy
Registered: Jan 2004


 - posted November 13, 2017 06:47 AM      Profile for Fabrizio Mosca   Email Fabrizio Mosca   Send New Private Message       Edit/Delete Post 
AFAIK, 8mm optical sound was not a defined standard, but the main used was made by John Maurer and used in Italy by SanPaoloFilm for the format 8mauer (or OemmeO) at the beginning of the 70s. Projectors were made by Fumeo and Microtecnica and there were both optical version and opt-mag version (for sure for Microtecnica, I'm not sure for Fumeo). SPF relased almost between 40 and 70 films (afaik), both in color and bw and some of them in scope.
The space for the optical track was found reducing the widht of the perforations (8mauer films cannot be run into normal 8mm projectors, while the contrary is possible).

Luigi, an optical/magnetic dual8 projector seems quite difficult to be built, due to the different distance between S8 mag, S8 Opt and Standard8 mag

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Dominique De Bast
Film God

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From: Brussels, Belgium
Registered: Jun 2013


 - posted November 13, 2017 06:51 AM      Profile for Dominique De Bast   Email Dominique De Bast   Send New Private Message       Edit/Delete Post 
Maybe, Maurice. In my memory, the thread was about a Fumeo optical sound projector but I may confuse. Thank you for your link anyway.

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Dominique

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Dominique De Bast
Film God

Posts: 4280
From: Brussels, Belgium
Registered: Jun 2013


 - posted November 13, 2017 10:03 AM      Profile for Dominique De Bast   Email Dominique De Bast   Send New Private Message       Edit/Delete Post 
This is the projector I had in mind.

http://www.filmkorn.org/super8data/database/projectors_list/projectors_fumeo/fumeo_oemmeo.htm

I don't know what "M format" is...

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Dominique

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Luigi Castellitto
Jedi Master Film Handler

Posts: 679
From: Campobasso, Italy
Registered: Jun 2013


 - posted November 13, 2017 01:35 PM      Profile for Luigi Castellitto   Email Luigi Castellitto   Send New Private Message       Edit/Delete Post 
OemmeO of Microtecnica.it also appears, very rarely, on ebay.
I was also tempted to buy it!
One time was a page on the internet that explained very well the rare versions of Normal 8 optics, it also had explanatory drawing, but It had disappeared.
Dom, "M" is (M)aurer standard Fabrizio talked about. [Smile]

Returning OT: it's confirmed that if you want the optical sound on Super 8 gauge, the projector will be ONLY Super 8.

Instead, exists a Super 8 optical and not magnetic projector? I don't think, it would be too little used.

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Dominique De Bast
Film God

Posts: 4280
From: Brussels, Belgium
Registered: Jun 2013


 - posted November 13, 2017 02:21 PM      Profile for Dominique De Bast   Email Dominique De Bast   Send New Private Message       Edit/Delete Post 
Maurizio, I didn't see your message before I posted mine. Yours explains, as Luigi points out, what the m means. Luigi, maybe some projectors built for being used in planes had optical sound only, I don't know.

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Dominique

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Fabrizio Mosca
Master Film Handler

Posts: 344
From: Milano, Italy
Registered: Jan 2004


 - posted November 13, 2017 02:49 PM      Profile for Fabrizio Mosca   Email Fabrizio Mosca   Send New Private Message       Edit/Delete Post 
Elmo gs1200 was available also with optical sound only. If I remember right, Jason from Japan had one for sale some time ago

Checking Japan "ebay", I saw that almost all the Japanese digest and features were with optical sound only, and also the majority of projectors for sale had also optical sound

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Alberto Carlo Vangelisti
Master Film Handler

Posts: 408
From: Firenze, Italy
Registered: Jan 2016


 - posted November 13, 2017 03:23 PM      Profile for Alberto Carlo Vangelisti   Email Alberto Carlo Vangelisti   Send New Private Message       Edit/Delete Post 
Hello Fabrizio,

San Paolo Film began distributing and renting 8mm optical films (8 Mauer) in 1968; over 100 titles were edited.

Fumeo also built optical / magnetic 8mm projector...and well done. Here's one below ... it's mine ;-)

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Fabrizio Mosca
Master Film Handler

Posts: 344
From: Milano, Italy
Registered: Jan 2004


 - posted November 14, 2017 04:44 AM      Profile for Fabrizio Mosca   Email Fabrizio Mosca   Send New Private Message       Edit/Delete Post 
Ciao Alberto, thank you for the details [Smile]
Do you have any catalogue with the list of films? I've always been curious to know what titles they printed.

Nice looking machine (I know that it's not the original color [Wink] ). From the picture it seems that you have to vary the lower loop when using magnetic film, compared to the optical ones. Is it so?

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Clinton Hunt
Jedi Master Film Handler

Posts: 845
From: Waharoa,North Island,New Zealand
Registered: May 2010


 - posted November 14, 2017 10:54 PM      Profile for Clinton Hunt   Author's Homepage   Email Clinton Hunt   Send New Private Message       Edit/Delete Post 
I had no idea this existed Alberto ,I've got a Standard 8mm Magnetic Elmo projector and films but Optical sound is amazing.
There's always something new to discover in this film hobby !

I "borrowed" your pictures and posted them on a film Facebook page that I'm a member of,hope that's O.K. as I'm sure I'm not the only one that wasn't aware of this [Smile]

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Cheers from me in New Zealand :-)

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