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Topic: ? about 3D and required lens
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John Walsh
Film God
Posts: 2490
From: Connecticut, USA, Earth, Milky Way
Registered: Oct 1999
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posted 10-02-2000 10:38 AM
We used to have one of those... If I remember, you don't need a different lens.
You use your existing 'scope lens. If the frames are the "over-under" type, you turn the scope lens 90' from normal. If the frames are the "side-by-side" type, the scope lens stays normal. You bolt a fixture onto your existing lens. This fixture holds a prisim-like adapter in front of the lens and redirects the image so both halfs converge at the screen. You will also need a test film that usually comes with the fixture. Wow, I hope I'm right. I haven't seen that system since "Jaws-3D"
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David Kilderry
Master Film Handler
Posts: 355
From: Melbourne Australia
Registered: Sep 1999
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posted 10-03-2000 12:46 AM
Dave,The print you have is Amityville - 3D ie the 3rd film in the series that was in 3D. Like Jaws 3D both were from 1983, the last big 3D craze. Glasses are available through a company that advertises in Boxoffice magazine. Stereovision was the company and as already stated may still be in business. It all started up with that really crappy "Comin' At Ya" made in Spain I think - the effects were good though. Saw it at Cinema North in 1983 at 1.00pm on a Saturday afternoon, how do I know that? I wrote all the films down that I saw back then! David
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Stefan Scholz
Expert Film Handler
Posts: 223
From: Schoenberg, Germany
Registered: Sep 1999
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posted 10-05-2000 03:52 PM
Isco still covers a stereo lens for the over/under type pictures.
The thick line is the seperation between both pictures, the thin line is the frame line.
Prismatic converters were most common, but also split lenses like the Isco.
I still own a set of 3 D lenses for Paramount films - and the virtually indestructable plastic test film, as well as 2 cartons with each having 1500 paper type glasses. The polarizing glasses must still be around, as 3D is still a common fairground / theme-park attraction format.
Beware, not all prints are compatible with each lens. The Paramount format was called Sirioscope, my lenses are 55 mm, which would relate to 110 mm scope focal length.
Theese lenses are not compatible with films shot in Arrivision 3D, even though the films (e.g. Silent Madness - famous at splatter freaks for the power drill for brain sequence) look the same... And use 2000 ft changeover with cold-light filtering, as otherwise the polarizing filters will overheat, and go defective.
I remember, that Paramount distribution over here used to have some lenses at their offices, but were hesitant to give them away, as they said, they were costly... Maybe your distributors do still carry one or another-
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