Steenbeck projection problem

[Neal Scanlan]

Hello all,

I am restoring a 35mm Steenbeck and have hit upon a problem, the image on the screen is vertical. As you can see from the photograph there is the rotating prism, standard lens and an anamorphic lens. There is no other prism/mirror arrangement other than the two mirrors in the shroud which bounce the image to the screen. I think I am missing a part or am I being dumb and missing something else?

Can anyone help or has an image/description of what rotates the image to horizontal?

[Leo Enticknap]

Does the lens assembly rotate?

[Neal Scanlan]

Hello Leo,

Thank you for getting back to me.
I contacted Steenbeck themselves and they were very helpful. There is a mirror unit missing and this is something I can engineer. The image is rotated through 4 mirrors in front of the lenses shown in the photograph.

[Dave Macaulay]

Just saw this. I serviced these things more years ago than I want to specify. The image rotator was not fun to clean, nor were the prism and other mirrors. Hope it all works for you! The electronics are, well, prehistoric... but at lease the cards use "normal" components with no FPGAs and the like. Take care of the sprag clutches, they need to be clean and properly lubricated.