Hmm, wondering what the trouble is. I have cut 35mm backing paper for my 828 cameras from 120 rolls several times, and haven't had any issue except a little too much frame spacing (I use the numbers from the 6x4.5 / 16exp strip, you can get about 12 on an 828 spool). If you use the 12-number strip from the 6x6 exposures---wait, that's in the middle of the 120 roll, so you'd have to trim both sides. Is that the issue? A standard mat cutter gives ~30" of very straight cut, and if you slipped up around the beginning of the next 30", it'll be within the roll, so doesn't make too much difference.
Mat cutters are what you use to cut those window mats that people put into frames for displaying prints.
One of these (courtesy of Amazon)
View attachment 343715
Many/most of us who prepare prints for framing and/or exhibition have them.
I heard of people using cigar cutters to slit film wound on the spool. It should work with the backing paper as well. If you have a pipe cutter it might do the job.
I use this old ribbon cutter that my mother had to cut down backing paper. Then I just mark the frame numbers with a marker pen.
View attachment 343749
Shanghai Jiancheng Technology Pty Ltd sells both. Also for 120 film. Bought a load a few years ago with no problem.
OEM FILM
Shanghai Jiancheng Technology Pty Ltd is a global market leader and the manufacturer in the world to provide a range of black & white film and developing types of equipment. Now we are starting to provide OEM film service worldwide. We have the most fully equipped and competitive price for OEM...shop.shjcfilm.com
Cigar cutter did not work for me. I've tried it a few times, it's not a clean enough cut.
Interesting contraption.
Looks like I'm forming a plan with a 40 inch yardstick, xacto knife, a couple clamps, and a table.
Shanghai Jiancheng Technology Pty Ltd sells both. Also for 120 film. Bought a load a few years ago with no problem.
OEM FILM
Shanghai Jiancheng Technology Pty Ltd is a global market leader and the manufacturer in the world to provide a range of black & white film and developing types of equipment. Now we are starting to provide OEM film service worldwide. We have the most fully equipped and competitive price for OEM...shop.shjcfilm.com
I use this old ribbon cutter that my mother had to cut down backing paper. Then I just mark the frame numbers with a marker pen.
View attachment 343749
I bought just before the pandemic hit and it was all listed with pricing. Seems different now which is why I said you might need to email. Have you tried google translate into Chinese? You never know.......
@MattKing
Can we move this out of classified? I can't post or respond without getting warned about bumping.
I've moved the thread.
Another, potentially better approach would be to start a thread that specifically asks about sourcing materials like this.
You can have a separate Classified thread asking to buy them, and refer discussions to your sourcing thread.
By the way - it is much better to make a request like this by reporting a post and including your request in the post.
That way Sean and all the moderators can respond.
I have emailed them several times asking about backing paper, never got a response. Can you let me know what you did to get a response?
oh my god I need this for slitting 70mm/5” film into 120/220! What is it called, and do they still make it?
oh my god I need this for slitting 70mm/5” film into 120/220! What is it called, and do they still make it?
They make machines like that for cutting leather straps. The first one I found was this one on Etsy
This item is unavailable - Etsy
Find the perfect handmade gift, vintage & on-trend clothes, unique jewelry, and more… lots more.www.etsy.com
I don’t know if that’s a good one or not just the first example I found
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