This isn't a recent rig. The screen that came with it is a mess. I imagine that if there were color filters they would have been laminated like the polarizer, and similarly degraded. There were two diffusion screens that fit, and they rely on external glass texture, so the one I own is fine.
The filter holder part is open, with single pins on the left, right, and underneath to locate the filter, and a removable top pin to lock the filter in place. Shown below on my 8x10 Ansco with 14-3/4" Caltar in a #5 shutter. If you click through the photo you can see a red washer on the back of the hood, and that's ahead of the bobbin that holds the filter on that side. Similar on bottom and right, with just a pin on the top.
Kodak Hood by Michael Darnton, on Flickr
Bookmarks