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blogspot.com DownloadThe only fabrication required is the creation of a guide that will be a low tech contraption that both holds the utility knife in place for cutting of the film at the proper location as well as feeding the film through parallel to the blade.
Cutting the Film. 828 images are 28x40mm, with a 2mm interframe space, and about 15mm on each end, so we need a piece of 35mm film that is about 14 1/2 inches long.
Another option is to use standard 135 film, with sprocket holes, and respool it with used 828 backing paper onto old spools. The effective image size will be reduced with this method as the perforations will intrude on the image area.
Pull the film and tape off the paper backing and then continue winding (this will re-attach the film to the paper and take out the slop in the film caused by rewinding). After completely winding the film and leader onto the spool remove from camera and wrap in aluminum foil.
Any 120 film can be cut down to 828 size size by using a home built slicing block. You will also need some 828 size backing paper which can be sourced in several ways.
The length of the strip of film depends on whether you use original 828 paper or you use cut-down 120 paper. Multiply the frame size by ten to get the total film length.
photo.net DownloadI used to re-spool a length of 35mm sprocketed film on to 828 spools in a changing bag using paper backing removed from dead 126 cassettes. If I remember correctly I would wind on using red window skipping every other number.
Yep, even though the film itself is the same width as 135, 828 is smaller when spooled. I've found a few ways to work around this with cut-down 120 or 135, but none are really elegant solutions.
Should anyone be tempted to consider cutting down some 127 film, be aware that although the film length is exactly correct for a 12-exposure roll of 828, the numbers on the backing paper are likely to be too close to the edge of the film to be visible in the frame-number window on an 828 camera.
With something like 828, I’ve never attempted it, but I think attaching film onto backing paper, and winding it onto a spool would be a little more difficult.