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Richard Chenoweth
Projecting Super Eight on wall
on Sep 15, 2008 at 11:20:45 pm

Hey everybody,

I am projecting old Super-Eight, Eight, and Sixteen reels onto a wall and video-taping... it works
fairly well...

The projector is a GAF 1388. The video cam is a Canon Vixia HV30.

The projection surface is a bright white sheet of 13 X 19 heavyweight matte print paper.

I have adjusted and tweaked all surfaces and normals to eliminate "perspective".

The phenomenon I am getting is that the super-sensitive Canon is registering the flutter of the three-bladed GAF shutter wheel and creating a "fan-like" visual effect of dark-light fluttering. You can't really see it on the pure projected movie on the wall, but the super-sensitive Canon registers this flutter and totally exaggerates it so that it's pretty distracting.

Anyone have a work-around on this effect?

Many thanks!!

Richard


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Jason Jenkins
Re: Projecting Super Eight on wall
on Sep 16, 2008 at 4:30:52 am

Have you tried adjusting the shutter speed on the HV30?



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Richard Chenoweth
Re: Projecting Super Eight on wall
on Sep 16, 2008 at 1:02:22 pm


Jason, et al,

Thank you for responding. Yes, I was able to make the speed on the Canon "TV 60" and it
reduced the flutter appearance dramatically... Thanks!

I think the key is that the speed of Projector (not adjustable on mine) should evenly divide
into the speed of the Canon, so they are somewhat in sync... I think...

I found this interesting site on how-to procedure for this:

http://www.dvdhomevideoeditor.com/ARTICLES/TUTORIAL_howto_trans_8mmfilm.htm

Best regards,

Richard



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Steven Bradford
Re: Projecting Super Eight on wall
on Sep 19, 2008 at 7:11:27 am

It's really worth it to get a Variable speed projector. They're around. I paid about $75 for mine off ebay about 8 years ago. Of course a five bladed projector is even better, but you can get decent results with a variable speed that you can trim to just the right speed to go into the sixty fields a second.

I also had much better luck projecting onto a matte GRAY surface (not textured) then onto a white surface. It helps control the contrast build, making it easier to control over exposure and clipping in the white areas.

Steven Bradford
Http://www.seanet.com/~bradford/


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Richard Chenoweth
Re: Projecting Super Eight on wall
on Sep 19, 2008 at 3:15:37 pm



Great tips Steve... Thank you!!

Richard



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